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Electro-Optic Modulation for Photonic Networks

Springer 出版
2023/01/09 出版

This textbook provides comprehensive and detailed information on electro-optic modulation, which plays important roles in lightwave networks including optical fiber links, visible ray communications, fiber-wireless, etc. The first part of this book describes roles and basic functions of optical modulators as well as various modulation schemes. The second part is on mathematical expressions dedicated to optical modulation, where sideband generation are clearly described. In conclusion, this book provides useful information for device and system technologies, and helps in understanding fundamental issues on telecommunication systems as well as electro-optic devices. Contents in this book provide valuable information for engineering students in telecommunications. It also gives useful examples of applied mathematics using Bessel functions. It is ideal for upper undergraduate and graduate level classes.Provides comprehensive mathematical expressions dedicated to optical phase modulation based electro-optic effect;Presents practical knowledge of optical modulators as well as basic theory on modulator operation;Includes classroom materials including software and PowerPoint slides for easy integration into curriculum.

9 特價3653
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Requirements Engineering: Laying a Firm Foundation

Springer 出版
2023/01/04 出版

This textbook lays the foundations for System-of-Systems Requirements Engineering and Requirements Management practices, principles, technique, and processes. It provides a comprehensive treatment of requirements engineering, an integral part of Multidisciplinary Systems Engineering. The book takes the student/reader though the entire process of documenting, analyzing, tracing, prioritizing, and managing requirements, and then goes on the describe controlling and communicating requirement change throughout the system development lifecycle. The authors discuss the role of requirements management in support of other requirements engineering processes; describe the principal requirements engineering activities and their relationships; introduces techniques for requirements elicitation and analysis and describes requirements validation and the role of requirements reviews; and discusses the role of requirements management in support of other requirements engineering processes. A full suiteof classroom material is provided including exercises, assignments, and PowerPoint slides.

9 特價6785
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Antenna Architectures for Future Wireless Devices

Springer 出版
2023/01/04 出版

This book presents the design requirements of antenna integration for modern commercial devices such as smartphones, dongles, and access points. Practical use-case scenarios of smartphone and the design process of the antenna system for the same are highlighted. The feasibility of scaling up sub-6GHz to mmWave antennas is also discussed in detail followed by a plethora of design examples which could be panel mounted to modern-day commercial smartphones. The unique requirement of gain switchability is introduced with feasible practical antenna designs. High efficiency antennas for 5G base stations is introduced along with a design example on planar all-metallic antenna. Beam switchability requirement for base station is illustrated with a couple of compact antenna system examples. Variety of feeding techniques for mmWave antennas is elaborated in this book. Finally, low-cost antenna designs for future wireless devices are illustrated.​

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Trusted Cellular Iot Devices

Springer 出版
2023/01/03 出版
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Software Defined Radio with Zynq Ultrascale+ RFSoC

Ingram 出版
2023/01/02 出版

This book introduces Zynq Ultrascale+ RFSoC, a technology that brings real, single-chip, Software Defined Radio (SDR) to the marketplace. RFSoC devices are the first adaptive SoCs (Systems-on-Chip) to monolithically integrate multiple RF signal chains along with Arm application and real-time, multicore processors and programmable logic. By eliminating the need for dozens of discrete devices, RFSoC chips offer unprecedented flexibility and reduced power consumption when compared to alternative, multi-component solutions. RFSoC is not so much a radio on a chip, but almost an entire base station on a chip! Moreover, besides widespread application in 5G mobile communications, RFSoC devices also enable the design and development of emerging 6G systems and are now being used in many other domains including high-speed radar, advanced instrumentation, radio astronomy and quantum computing.We anticipate that the book will be of interest and use across a number of technical areas. It serves as an introduction to the family of RFSoC devices and its key features and programmability. Special attention is paid to the RF signal chains including the high-resolution, direct RF data converters, the digital up-converters and digital down-converters, and the quadrature mixers. Further sections explore the Forward Error Correction (FEC) units and the interfaces between the RF, programmable and the processor subsystems. The book explores software defined radio concepts and architecture and key DSP algorithms such as multi-Nyquist zone operation, frequency planning, multi-rate FIR filters and FFTs. By integrating high-bandwidth, high-resolution, direct-RF, analogue-to-digital and digital-to-analogue converters, RFSoC devices can access more of the electromagnetic spectrum than any previous SoC. Whatever signal bands are of interest to you, RFSoC technology provides a programmable platform for innovative research and design! A selection of hands-on exercises via Jupyter Lab notebooks accompany the book and are available from the book's companion GitHub repository. There are also design examples (including SDR designs) to build and implement real systems based on PYNQ (Python open-source, design framework) and supported boards, such as the RFSoC4x2. Wherever you are in your career, whether you are a student, a researcher, an educator, a professional engineer or manager, we hope that you find this book a useful and pragmatic reference on the incredible RFSoC technology.

9 特價3901
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Software Defined Radio with Zynq Ultrascale+ RFSoC

Ingram 出版
2023/01/02 出版

This book introduces Zynq Ultrascale+ RFSoC, a technology that brings real, single-chip, Software Defined Radio (SDR) to the marketplace. RFSoC devices are the first adaptive SoCs (Systems-on-Chip) to monolithically integrate multiple RF signal chains along with Arm application and real-time, multicore processors and programmable logic. By eliminating the need for dozens of discrete devices, RFSoC chips offer unprecedented flexibility and reduced power consumption when compared to alternative, multi-component solutions. RFSoC is not so much a radio on a chip, but almost an entire base station on a chip! Moreover, besides widespread application in 5G mobile communications, RFSoC devices also enable the design and development of emerging 6G systems and are now being used in many other domains including high-speed radar, advanced instrumentation, radio astronomy and quantum computing.We anticipate that the book will be of interest and use across a number of technical areas. It serves as an introduction to the family of RFSoC devices and its key features and programmability. Special attention is paid to the RF signal chains including the high-resolution, direct RF data converters, the digital up-converters and digital down-converters, and the quadrature mixers. Further sections explore the Forward Error Correction (FEC) units and the interfaces between the RF, programmable and the processor subsystems. The book explores software defined radio concepts and architecture and key DSP algorithms such as multi-Nyquist zone operation, frequency planning, multi-rate FIR filters and FFTs. By integrating high-bandwidth, high-resolution, direct-RF, analogue-to-digital and digital-to-analogue converters, RFSoC devices can access more of the electromagnetic spectrum than any previous SoC. Whatever signal bands are of interest to you, RFSoC technology provides a programmable platform for innovative research and design! A selection of hands-on exercises via Jupyter Lab notebooks accompany the book and are available from the book's companion GitHub repository. There are also design examples (including SDR designs) to build and implement real systems based on PYNQ (Python open-source, design framework) and supported boards, such as the RFSoC4x2. Wherever you are in your career, whether you are a student, a researcher, an educator, a professional engineer or manager, we hope that you find this book a useful and pragmatic reference on the incredible RFSoC technology.

9 特價4544
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The History of the Telephone

2022/12/26 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1144
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Applying Predictive Analytics

Springer 出版
2022/12/24 出版

The new edition of this textbook presents a practical, updated approach to predictive analytics for classroom learning. The authors focus on using analytics to solve business problems and compares several different modeling techniques, all explained from examples using the SAS Enterprise Miner software. The authors demystify complex algorithms to show how they can be utilized and explained within the context of enhancing business opportunities. Each chapter includes an opening vignette that provides real-life examples of how business analytics have been used in various aspects of organizations to solve issues or improve their results. A running case provides an example of a how to build and analyze a complex analytics model and utilize it to predict future outcomes. The new edition includes chapters on clusters and associations and text mining to support predictive models. An additional case is also included that can be used with each chapter or as a semester project.

9 特價2870
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Mobile and Wireless Communications with Practical Use-Case Scenarios

Ingram 出版
2022/12/24 出版

The aim of this textbook is to provide the readers with a comprehensive technical foundation of the mobile communication systems and wireless network design, operations and applications of various radio access technologies.

9 特價3235
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Telephone Construction

Ingram 出版
2022/12/24 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價961
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The Story of a Great Achievement. Telephone Communication From Coast to Coast

Ingram 出版
2022/12/23 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價639
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The Story of a Great Achievement. Telephone Communication From Coast to Coast

Ingram 出版
2022/12/22 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1236
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Uniform System of Accounts for Telephone Companies, as Prescribed by the Interstate Commerce Commission, in Accordance With Section 20 of the Act to Regulate Commerce

2022/12/22 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價731
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Maxwell's Theory and Wireless Telegraphy

Ingram 出版
2022/12/22 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1053
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The Anglo-American Telegraphic Code to Cheapen Telegraphy and to Furnish a Complete Cypher

Ingram 出版
2022/12/22 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Decision Intelligence Analytics and the Implementation of Strategic Business Management

Springer 出版
2022/12/21 出版

This book presents a framework for developing an analytics strategy that includes a range of activities, from problem definition and data collection to data warehousing, analysis, and decision making. The authors examine best practices in team analytics strategies such as player evaluation, game strategy, and training and performance. They also explore the way in which organizations can use analytics to drive additional revenue and operate more efficiently. The authors provide keys to building and organizing a decision intelligence analytics that delivers insights into all parts of an organization. The book examines the criteria and tools for evaluating and selecting decision intelligence analytics technologies and the applicability of strategies for fostering a culture that prioritizes data-driven decision making. Each chapter is carefully segmented to enable the reader to gain knowledge in business intelligence, decision making and artificial intelligence in a strategic management context.

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The Secret Corresponding Vocabulary

Ingram 出版
2022/12/21 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1053
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Flipphonia

Jason,O'Neil  著
AuthorHouse 出版
2022/12/21 出版

In this novel an American non-profit company initiates a national movement to heal the youth's addiction to mobile social media, like smart phones. Voice Synthesis Inc. (VSI) based in Alexandria, Virginia, was founded by Matt and Heather Flynn, billionaires from their Turbopod (T-Pod) vehicles sold around the world. The couple does research to determine that the addiction starts at age ten and is a primary culprit in the dramatic reduction of the Work Ethic in America. The book provides alarming statistics as VSI's employees focus on the problem at home, in the schools, in retail businesses, in the government, the military and board rooms. It becomes clear to the reader that the social media devices greatly contribute to dumbing of citizens, ripe for control by a Socialist government. The reader follows VSI as it enlists a well-known company to apply artificial intelligence to voice synthesis systems to create a useful Flip Phone for the youth. "FLIPA" can access communications but not the Internet and streaming video. Nationally-known cyber gurus, who formed a company called Padlockers, create a computer E-Worm which debilitates the production of popular smart phones in China. At the same time the government provides programs attractive for companies to bring back the production of the devices to America. The story ends with a realistic hope for the future as the simple FLIPA wins over legions of youth, one Flip Phone at a time.

9 特價692
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Elements of Radiotelegraphy

Ingram 出版
2022/12/20 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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TCO CVA Certified VoIP Analyst Study Guide

Eric,Coll  著
Ingram 出版
2022/12/19 出版

Certification study guide and companion reference textbook for the TCO Certified VoIP Analyst (CVA) courses and exams. The CVA Study Guide corresponds directly to the CVA online courses and exams. For each lesson, detailed text notes are provided along with the main graphic. Many people find they learn better with a companion book. Printed in color! Get a complete understanding of Voice over IP and SIP, with CVA Certification to prove it. CVA covers all aspects of Voice over IP, including all the different ways VoIP is implemented, how calls are set up with softswitches and SIP, how voice is packetized and the factors affecting sound quality, connecting to carriers and SIP trunking, and network quality with MPLS, Service Level Agreements and Class of Service. The Certified VoIP Analyst Certification includes six online courses and exams: 2221 Fundamentals of Voice over IP 2222 VoIP Architectures and Implementation Choices 2223 Softswitches, SIP, Call Setup and SIP Trunking 2224 Voice Packetization, Codecs and Voice Quality 2225 SIP Trunking and Carrier Connections 2226 IP Network Quality: CoS, QoS, MPLS AND SLAs This knowledge enables a CVA to stand out from the rest, with demonstrated broad and deep vendor-agnostic knowledge of VoIP systems and best practices. This kind of knowledge enables higher-paying positions performing analysis, writing reports, making recommendations and providing effective, value-added contributions in project management, business and product development, software design, sales, marketing and finance. Invest in yourself with the CVA Certification Package from Teracom Training Institute! The CVA Certification Package Unlimited Plan includes the six CVA online courses and the TCO CVA Certification Exam, both with unlimited repeats - which means guaranteed to pass, and refresh your knowledge anytime. Get up to speed on all major topics, at your own pace. Understand the fundamentals, technologies, jargon, buzzwords and most importantly, the underlying ideas ... and how it all fits together. Plus, get your Telecommunications Certification Organization (TCO) Certified VoIP Analyst (CVA) Certification to prove it! Upgrade your skills - and your r矇sum矇 - with this training and certification today!

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The Secret Corresponding Vocabulary

Ingram 出版
2022/12/19 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1557
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Telephone Construction

Ingram 出版
2022/12/18 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1512
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The Story of Television, the Life of Philo T. Farnsworth

Ingram 出版
2022/12/18 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1557
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Securing Delay-Tolerant Networks with Bpsec

Wiley 出版
2022/12/15 出版

Securing Delay-Tolerant Networks with BPSec One-stop reference on how to secure a Delay-Tolerant Network (DTN), written by experienced industry insiders Securing Delay-Tolerant Networks with BPSec answers the question, "How can delay-tolerant networks be secured when operating in environments that would otherwise break many of the common security approaches used on the terrestrial Internet today?" The text is composed of three sections: (1) security considerations for delay-tolerant networks, (2) the design, implementation, and customization of the BPSec protocol, and (3) how this protocol can be applied, combined with other security protocols, and deployed in emerging network environments. The text includes pragmatic considerations for deploying BPSec in both regular and delay-tolerant networks. It also features a tutorial on how to achieve several important security outcomes with a combination of security protocols, BPSec included. Overall, it covers best practices for common security functions, clearly showing designers how to prevent network architecture from being over-constrained by traditional security approaches. Written by the lead author and originator of the BPSec protocol specification, Securing Delay-Tolerant Networks (DTNs) with BPSec includes information on: The gap between cryptography and network security, how security requirements constrain network architectures, and why we need something different DTN stressing conditions, covering intermittent connectivity, congested paths, partitioned topologies, limited link state, and multiple administrative controls Securing the terrestrial internet, involving a layered approach to security, the impact of protocol design on security services, and securing the internetworking and transport layers A delay-tolerant security architecture, including desirable properties of a DTN secure protocol, fine-grained security services, and protocol augmentation Securing Delay-Tolerant Networks (DTNs) with BPSec is a one-stop reference on the subject for any professional operationally deploying BP who must use BPSec for its security, including software technical leads, software developers, space flight mission leaders, network operators, and technology and product development leaders in general.

9 特價6655
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Microwave and Millimeter-Wave Antenna Design for 5g Smartphone Applications

Wonbin,Hong  著
Ingram 出版
2022/12/15 出版

Microwave and Millimeter-wave Antenna Design for 5G Smartphone Applications In-depth and practical coverage of design considerations for 5G antennas In Microwave and Millimeter-wave Antenna Design for 5G Smartphone Applications, two distinguished researchers deliver a holistic, multidisciplinary approach to antenna design methodologies. The book covers approaches ranging from sub-6GHz microwave to the millimeter-wave spectrum, explaining how microwave and millimeter-wave 5G antennas coexist and function, both independently and collaboratively. The book offers coverage of key considerations for designing millimeter-wave 5G antennas within space-constrained mobile devices, as well as practical concerns, like cost, fabrication yield, and heat dissipation. Readers will also find explorations of the likely future directions of 5G antenna evolution, as well as: A thorough introduction to basic concepts in 5G FR1 Band mobile antenna design, including discussions of antenna placement, element design, and topologies Comprehensive explorations of antenna feeding mechanisms and impedance matching, including chassis considerations and effects Practical discussions of frequency tunable millimeter-wave 5G antenna-in-package Fulsome treatments of compact millimeter-wave 5G antenna solutions and millimeter-wave antenna-on-display technologies for 5G mobile devices Perfect for antenna, microwave, communications, and radio-frequency engineers, Microwave and Millimeter-wave Antenna Design for 5G Smartphone Applications will also benefit graduate students, policymakers, regulators, and researchers with an interest in communications and antennas.

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Elements of Radiotelegraphy

Ingram 出版
2022/12/14 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Telegraphy

Ingram 出版
2022/12/13 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1787
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5g Technology

Harri,Holma  著
Wiley 出版
2022/12/13 出版

5G TECHNOLOGY An Essential Insider's View of the Development Work of 5G Technology Up to Release 18 5G brings new technology solutions to the 5G mobile networks, including new spectrum options, antenna structures, physical layer and protocols designs, and network architectures. 5G Technology: 3GPP Evolution to 5G-Advanced is an accessible and comprehensive resource that offers explanations of 5G specifications and performance evaluations, aspects of device design, practical deployment considerations and illustrative examples from field experiences. With contributions from a panel of international experts on the topic (industry insiders working at the forefront of development), the book presents the main new technology components in 5G and describes the physical layer, radio protocols, and network performance indicators associated with them. It has intentionally been written to cater to individuals at all levels of 5G expertise. Some of the topics of discussion and learning resources in the work include: An easy-to-understand insider's overview of 5G from editors and authors who are actively working with the 5G development in 3GPP, the forum defining the requirements Deployment aspects, such as site density and transport network, plus exploration into 5G performance aspects, including data rates, coverage, and latency A large number of illustrations including simulation and measurement results of 5G technology performance, plus key 5G procedures Updated information on industrial IoT, radio enhancements in Releases 16 and 17, open RAN and virtualized RAN, 5G verticals and new use cases, and the 5G-Advanced development in Release 18 and outlook towards Release 19 5G Technology: 3GPP Evolution to 5G-Advanced serves as a complete resource for wireless researchers, network planners, lecturers in universities, technology analysts, R&D engineers, application developers, and spectrum regulators who wish to thoroughly understand the latest in 5G technology and get ahead of the curve with regards to its potential applications in a wide variety of industries.

9 特價4082
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American Telegraph Practice

Ingram 出版
2022/12/12 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1282
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Telegraphy

Ingram 出版
2022/12/11 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價2384
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The Handbook of the Telegraph

Anonymous  著
Ingram 出版
2022/12/11 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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The Anglo-American Telegraphic Code to Cheapen Telegraphy and to Furnish a Complete Cypher

Ingram 出版
2022/12/11 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1236
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The Handbook of the Telegraph

Anonymous  著
Ingram 出版
2022/12/11 出版
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American Telegraph Practice

Ingram 出版
2022/12/10 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Multimedia Streaming in Sdn/Nfv and 5g Networks

Ingram 出版
2022/12/07 出版

Multimedia Streaming in SDN/NFV and 5G Networks A comprehensive overview of Quality of Experience control and management of multimedia services in future networks In Multimedia Streaming in SDN/NFV and 5G Networks, renowned researchers deliver a high-level exploration of Quality of Experience (QoE) control and management solutions for multimedia services in future softwarized and virtualized 5G networks. The book offers coverage of network softwarization and virtualization technologies, including SDN, NFV, MEC, and Fog/Cloud Computing, as critical elements for the management of multimedia services in future networks, like 5G and 6G networks and beyond. Providing a fulsome examination of end-to-end QoE control and management solutions in softwarized and virtualized networks, the book concludes with discussions of probable future challenges and research directions in emerging multimedia services and applications, 5G network management and orchestration, network slicing and collaborative service management of multimedia services in softwarized networks, and QoE-oriented business models. The distinguished authors also explore: Thorough introductions to 5G networks, including definitions and requirements, as well as Quality of Experience management of multimedia streaming services Comprehensive explorations of multimedia streaming services over the internet and network softwarization and virtualization in future networks Practical discussions of QoE management using SDN and NFV in future networks, as well as QoE management of multimedia services in emerging architectures, including MEC, ICN, and Fog/Cloud Computing In-depth examinations of QoE in emerging applications, 5G network slicing architectures and implementations, and 5G network slicing orchestration and resource management Perfect for researchers and engineers in multimedia services and telecoms, Multimedia Streaming in SDN/NFV and 5G Networks will also earn a place in the libraries of graduate and senior undergraduate students with interests in computer science, communication engineering, and telecommunication systems.

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The Atlantic Telegraph

Ingram 出版
2022/12/07 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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From 5g to 6g and Beyond: The 7 CS of Future Communications

Ingram 出版
2022/12/07 出版

With speeds of up to 20 gigabits per second and the ability to support up to one million devices per square kilometer, 5G -- the current generation of mobile communications technology -- may seem impressive, but 6G is set to take these capabilities even further. Envisioned to deliver a peak data rate of 1 terabit per second and latency of 100 microseconds or less, 6G must be able to seamlessly and securely deliver data in an ever increasingly saturated network of wireless connections without exceeding the energy requirements of 5G.This book covers every aspect of future communications, from key technologies, to design challenges, network requirements, and users experiences; to standardization, chip design, and industry applications from 5G to 6G. It presents the requirements and use cases of 6G, RF transceivers roadmap for 2030 and beyond, and modeling of RF devices for 5G/6G applications. In here, a modified Shannon's capacity formula that is critical for future advanced wireless communications such as 6G is discussed for the first time. It also presents the standardization of 6G wireless communication systems with emphasis on Standard Development Organizations (SDOs), regulatory bodies and administrations, ITU, industry forums, and 6G standard timeline. The book presents an RF/mm-wave integrated circuit design for future communications to provides readers with an easy-to-understand overview of voltage-controlled oscillators, power amplifiers, low-noise amplifiers, frequency synthesizers, high-frequency dividers, and chip-to-chip communications isolation technology.This book is an excellent reference for readers specializing in electrical and electronic engineering, wireless communication, integrated circuit design, circuits and systems, to learn more about 5G and even 6G communication standards and RF/mm-wave IC design. In particular, professionals working in the foundry, fabless semiconductor companies, original equipment manufacturers, and integrated device manufacturers will also benefit from this book.

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Distributed Computing and Intelligent Technology

Springer 出版
2022/12/06 出版

This book constitutes the proceedings of the 19th International Conference on Distributed Computing and Intelligent Technology, ICDCIT 2023, which was held in Bhubaneswar, India, in January 2023.The 20 full papers and 9 short papers presented in this volume were carefully reviewed and selected from 55 submissions. The papers are organized in the following topical sections: Invited Talks; Distributed Computing; Intelligent Technology.

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The Atlantic Telegraph

Ingram 出版
2022/12/06 出版
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Evolution of Wireless Communication Ecosystems

Suat,Secgin  著
Ingram 出版
2022/12/06 出版

Evolution of Wireless Communication Ecosystems Understand a world transformed by wireless communication with this groundbreaking guide Since the advent of the internet, few technologies have proven more transformative than wireless communication. Never have we lived in a more comprehensively connected world, with the cloud and the coming sixth generation (6G) of wireless technology creating a vast and interconnected communications infrastructure. Global citizens of this newly interconnected reality are grappling like never before with its many challenges. Evolution of Wireless Communication Ecosystems provides readers with a history of wireless communication and a thorough overview of emerging frontiers. It traces wireless communication from the first generation through to the current fifth before surveying the current state of wireless technology and the ongoing research into 6G. The result is a book that understands wireless communication for the first time as an ecosystem, endlessly interconnected, growing, and boundlessly complex, but made intelligible by this highly readable introduction. Readers will also find: Detailed explanations of the journey starting from 1G to 6G Descriptions the infrastructure of 4G, 5G, and 6G systems, this all-connected communication ecosystem, the sub-components of this ecosystem, and the relationship among them Depictions of events seen in the capillaries of the communication echo system that show switching techniques, modulation, and multiplexing techniques Coverage of access techniques, protocols, the methods used in M2M and IoT connections at the endpoints, and security issues that show how they are an integral part of wireless communication infrastructure Evolution of Wireless Communication Ecosystems from 1G to 6G is an essential reference for wireless and telecommunications professionals, as well as researchers interested in 6G or other emerging wireless technologies.

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Modern Transportation And Communications In The Republic Of China

Ingram 出版
2022/12/05 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Traffic Rules And Regulations

Ingram 出版
2022/12/03 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價869
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Electric Telegraph

Ingram 出版
2022/12/01 出版
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Examination of the Telegraphic Apparatus and the Processes in Telegraphy

Ingram 出版
2022/12/01 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

9 特價1466
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Novel Millimetre Wave Antennas for Mimo and 5g Applications

Springer 出版
2022/12/01 出版

1. Millimeter Wave for Gigabit Wireless 1.1 Millimeter Waves for Gigabit Wireless 1.2 Millimeter Wave 5G Frequency Bands 1.2.1 The 28-GHz Band 1.2.2 Propagation Losses 1.2.3 Channel Characteristics 1.2.4 Link Budget 1.3 Millimeter Wave Antennas 1.3.1 Antenna Design and Requirements 1.4 Millimeter Wave MIMO and Beamforming 1.5 Conclusion References 2. Metamaterials and Anisotropic Media Realization for mmWave Applications 2.1 Introduction 2.2 Metamaterials for Antennas 2.3 Uniaxial Anisotropic Media for mmWaves 2.3.1 Media Properties 2.3.1 Unit Cell and Metamaterial Realization 2.4 Biaxial Media for mmWave Antennas 2.4.1 Media Properties and Antenna Applications 2.4.2 Unit Cell Design and Stacked Metamaterial Realization 2.5 Propagation of Waves through Uniaxial Anisotropic Media 2.6 Propagation of Waves Through Biaxial Anisotropic Media 2.7 Conclusion References 3. mmWave High Gain Antennas 3.1 Introduction 3.2 Antenna Gain versus Size 3.3 Gain Enhancement Techniques 3.4

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Marconi Service News; Volume 1

Ingram 出版
2022/11/30 出版

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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