Download or read book Third generation and Wideband HF Radio Communications written by Eric E. Johnson and published by Artech House. This book was released on 2013 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wideband HF. Book jacket.
Download or read book Machine Learning and Intelligent Communications written by Xiangping Bryce Zhai and published by Springer Nature. This book was released on 2019-10-27 with total page 795 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume constitutes the refereed post-conference proceedings of the Fourth International Conference on Machine Learning and Intelligent Communications, MLICOM 2019, held in Nanjing, China, in August 2019. The 65 revised full papers were carefully selected from 114 submissions. The papers are organized thematically in machine learning, intelligent positioning and navigation, intelligent multimedia processing and security, wireless mobile network and security, cognitive radio and intelligent networking, IoT, intelligent satellite communications and networking, green communication and intelligent networking, ad-hoc and sensor networks, resource allocation in wireless and cloud networks, signal processing in wireless and optical communications, and intelligent cooperative communications and networking.
Download or read book Signal Digitization and Reconstruction in Digital Radios written by Yefim Poberezhskiy and published by Artech House. This book was released on 2018-12-31 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive resource provides the latest information on digitization and reconstruction (D&R) of analog signals in digital radios. Readers learn how to conduct comprehensive analysis, concisely describe the major signal processing procedures carried out in the radios, and demonstrate the dependence of these procedures on the quality of D&R. The book presents and analyzes the most promising and theoretically sound ways to improve the characteristics of D&R circuits and illustrate the influence of these improvements on the capabilities of digital radios. The book is intended to bridge the gap that exists between theorists and practical engineers developing D&R techniques by introducing new signal transmission and reception methods that can effectively utilize the unique capabilities offered by novel digitization and reconstruction techniques.
Download or read book Designing RF Combining Systems for Shared Radio Sites written by Ian Graham and published by Artech House. This book was released on 2023-12-31 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores Radio Access Networks (RANs) within LMR systems, comprising base stations, mobile radios, and hand portable radios. These components facilitate communication among end users via a network of fixed base stations, antennas, and combining systems strategically placed across radio repeater sites throughout the coverage area. This resource also delves into the consequences of interference, highlighting the painstaking efforts required to diagnose and rectify interference issues through field testing and redesign. The central focus being on the design intricacies of base station antennas and combining systems at densely populated shared radio repeater sites. The book underscores how to identify potential sources of interference from co-located transmitters and receivers, effectively surveying sites to anticipate high-level interfering signals. This critical information forms the foundation for crafting base station antenna and combining systems that curtail interference, subsequently optimizing coverage and minimizing costs. Throughout its pages, the book lays out a detailed roadmap for designing LMR systems resilient to interference. By outlining essential principles and methodologies, the book guides practitioners in creating LMR networks that flawlessly align with end users' communication requirements. The resulting systems not only meet expectations but surpass them, offering the coverage area and communication quality demanded by public safety and utility organizations during critical operations. Ultimately, the book serves as an indispensable resource for engineers, designers, and professionals engaged in crafting LMR systems capable of delivering impeccable performance and reliability.
Download or read book Homeland Security Technologies for the 21st Century written by Ryan K. Baggett and published by Bloomsbury Publishing USA. This book was released on 2017-04-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive textbook that overviews common technologies utilized within the homeland security enterprise with an emphasis on contemporary homeland security mission areas and end-user applications. Designed for students entering or currently working in the safety, security, and emergency management disciplines in the public or private sectors, this textbook presents a broad array of homeland security technology types from the viewpoint of end-user applications and homeland security mission areas. The authors investigate various theories behind the use of technologies and assess the importance of technologies for achieving goals and objectives. The content includes not only technical capabilities but also a blend of sample applications of technologies using an all-hazards framework and use cases at all levels of practice, including both the public and private sectors. The authors provide an overview of preparedness applications; preventive and protective systems; and mitigation, response, and recovery technologies. Topics such as ethical and privacy concerns associated with implementing technologies and use of the Internet and social media receive special attention. In addition to readers directly involved in the security disciplines, this book will be useful for students in technical fields of study such as geographic information systems (GIS), computer science, or engineering who are seeking information on standards, theories, and foundations underlining homeland security technologies.
Download or read book HF Communications written by Nicholas M Maslin and published by CRC Press. This book was released on 2017-06-30 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a fi
Download or read book Advanced High frequency Radio Communications written by Eric E. Johnson and published by Artech House Publishers. This book was released on 1997 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date, comprehensive reference and planner's guide presents an in-depth description of automated HF communications.
Download or read book Software Radio Architecture written by Joseph Mitola, III and published by John Wiley & Sons. This book was released on 2004-04-07 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: In einem sogenannten Software-Radio werden die Modulations-Wellenformen nicht durch herkömmliche elektronische Schaltungen, sondern durch eine Software erzeugt. Die so generierten digitalen Signale werden durch einen Breitband-D/A-Wandler in das gewünschte analoge modulierte Signal überführt. Grundlagen und Anwendungen der Technologie erläutert der Autor dieses Bandes, gestützt auf jahrelange Erfahrungen als Seminarleiter. (11/00)
Download or read book Wideband Multiband and Smart Reconfigurable Antennas for Modern Wireless Communications written by Matin, Mohammad A. and published by IGI Global. This book was released on 2015-08-26 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern society thrives on communication that is instant and available at all times, a constant exchange of information that encompasses everything from video streaming to GPS navigation. Experts even suggest that in the near future everything from our cars to our kitchen appliances will be connected to the internet, a feat that would not be possible without advanced wireless technology. Wideband, Multiband, and Smart Reconfigurable Antennas for Modern Wireless Communications showcases current trends and novel approaches in the design and analysis of the antennas that make wireless applications possible, while also identifying unique integration opportunities for antennas and wireless applications to work together. By featuring both theoretical and experimental approaches to integration, this book highlights specific design issues to assist a wide-range of readers including students, researchers, academics, and industry practitioners. This publication features chapters on a broad scope of topics including algorithms and antenna optimization, wireless infrastructure development, wireless applications of intelligent algorithms, antenna architecture, and antenna reconfiguration techniques.
Download or read book Technical Handbook for Radio Monitoring HF Volume II written by Roland Proesch and published by BoD – Books on Demand. This book was released on 2019-05-17 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Technical Handbook for Radio Monitoring HF is aimed to shortwave listeners, who are interested in digital signals. On over 350 pages with many figures and tables most digital waveforms are described. The book shall help shortwave listener to identify these digital signals which can be heard today. Digital waveforms like FSK, PSK, DSSS aso. with the used protocols and alphabets are described with the help of spectrum and other pictures and the most important technical parameter. Additionally, comprehensive tables are helping to identify the different user on shortwave. To cover as much signals as possible the book is divided into two volumes.
Download or read book Mobile Wireless Communications written by Mischa Schwartz and published by Cambridge University Press. This book was released on 2005 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description
Download or read book Multifunctional and Multiband Planar Antennas for Emerging Wireless Applications written by Jayshri Kulkarni and published by CRC Press. This book was released on 2023-12-19 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes designed miniaturized monopole antennas for laptop computers with dual/triple band operations, performance enhancement, wider bandwidth, and increased data rate Explores the design of equivalent circuit diagrams of the proposed antenna. Presents integration of designed antennas into laptop for the validation of desired outcome Identifies and discusses technical challenges and new results related to the design of 5G/WLAN antennas Contains graphical illustration, design steps, detail analysis of each step along with proper justification
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Digital Radio System Design written by Grigorios Kalivas and published by John Wiley & Sons. This book was released on 2009-10-23 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic explanation of the principles of radio systems, Digital Radio System Design offers a balanced treatment of both digital transceiver modems and RF front-end subsystems and circuits. It provides an in-depth examination of the complete transceiver chain which helps to connect the two topics in a unified system concept. Although the book tackles such diverse fields it treats them in sufficient depth to give the designer a solid foundation and an implementation perspective. Covering the key concepts and factors that characterise and impact radio transmission and reception, the book presents topics such as receiver design, noise and distortion. Information is provided about more advanced aspects of system design such as implementation losses due to non-idealities. Providing vivid examples, illustrations and detailed case-studies, this book is an ideal introduction to digital radio systems design. Offers a balanced treatment of digital modem and RF front-end design concepts for complete transceivers Presents a diverse range of topics related to digital radio design including advanced transmission and synchronization techniques with emphasis on implementation Provides guidance on imperfections and non-idealities in radio system design Includes detailed design case-studies incorporating measurement and simulation results to illustrate the theory in practice
Download or read book Electrical Electronics Abstracts written by and published by . This book was released on 1997 with total page 2240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Evolution of Untethered Communications written by National Research Council and published by National Academies Press. This book was released on 1998-01-01 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to a request from the Defense Advanced Research Projects Agency, the committee studied a range of issues to help identify what strategies the Department of Defense might follow to meet its need for flexible, rapidly deployable communications systems. Taking into account the military's particular requirements for security, interoperability, and other capabilities as well as the extent to which commercial technology development can be expected to support these and related needs, the book recommends systems and component research as well as organizational changes to help the DOD field state-of-the-art, cost-effective untethered communications systems. In addition to advising DARPA on where its investment in information technology for mobile wireless communications systems can have the greatest impact, the book explores the evolution of wireless technology, the often fruitful synergy between commercial and military research and development efforts, and the technical challenges still to be overcome in making the dream of "anytime, anywhere" communications a reality.
Download or read book Encyclopedia of Radio 3 Volume Set written by Christopher H. Sterling and published by Routledge. This book was released on 2004-03-01 with total page 3166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Produced in association with the Museum of Broadcast Communications in Chicago, the Encyclopedia of Radio includes more than 600 entries covering major countries and regions of the world as well as specific programs and people, networks and organizations, regulation and policies, audience research, and radio's technology. This encyclopedic work will be the first broadly conceived reference source on a medium that is now nearly eighty years old, with essays that provide essential information on the subject as well as comment on the significance of the particular person, organization, or topic being examined.
