Hf Communications
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Hf Communications
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Author : Nicholas M Maslin
language : en
Publisher: CRC Press
Release Date : 2017-06-30
Hf Communications written by Nicholas M Maslin and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-30 with Technology & Engineering categories.
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
Advanced High Frequency Radio Communications
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Author : Eric E. Johnson
language : en
Publisher: Artech House Publishers
Release Date : 1997
Advanced High Frequency Radio Communications written by Eric E. Johnson and has been published by Artech House Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.
This up-to-date, comprehensive reference and planner's guide presents an in-depth description of automated HF communications.
Hf Communications Systems And Technology
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Author : John M. Goodman
language : en
Publisher: Springer
Release Date : 1992-05-28
Hf Communications Systems And Technology written by John M. Goodman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-05-28 with Juvenile Nonfiction categories.
Communications engineers, ionospheric scientists, engineers and scientists in DoD HF projects, and DoD managers will use this source to gain a working understanding of the basic theory involved in HF radiowave propagation and uses of HF technology today.
Third Generation And Wideband Hf Radio Communications
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Author : Eric E. Johnson
language : en
Publisher: Artech House
Release Date : 2013
Third Generation And Wideband Hf Radio Communications written by Eric E. Johnson and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Technology & Engineering categories.
Wideband HF. Book jacket.
Propagation Impact On Modern Hf Communications System Design
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Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
language : en
Publisher:
Release Date : 1986
Propagation Impact On Modern Hf Communications System Design written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Astronautics categories.
Hf Communications
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Author :
language : en
Publisher:
Release Date : 1995
Hf Communications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Modern Hf Signal Detection And Direction Finding
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Author : Jay R. Sklar
language : en
Publisher: MIT Press
Release Date : 2018-09-25
Modern Hf Signal Detection And Direction Finding written by Jay R. Sklar and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-25 with Computers categories.
Detailed descriptions of detection, direction-finding, and signal-estimation methods, using consistent formalisms and notation, emphasizing HF antenna array sensing applications. Adaptive antenna array technology encompasses many powerful interference suppression approaches that exploit spatial differences among signals reaching a radio receiver system. Today, worldwide propagation phenomenology occurring in the High Frequency (HF) radio regime has made such interference common. In this book, Jay Sklar, a longtime researcher at MIT Lincoln Laboratory, presents detailed descriptions of detection, direction-finding, and signal-estimation methods applicable at HF, using consistent formalisms and notation. Modern electronic system technology has made many of these techniques affordable and practical; the goal of the book is to offer practicing engineers a comprehensive and self-contained reference that will encourage more widespread application of these approaches. The book is based on the author's thirty years of managing MIT Lincoln Laboratory work on the application of adaptive antenna array technologies to the sensing of HF communication signals. After an overview of HF propagation phenomenology, communication signal formats, and HF receiver architectural approaches, Sklar describes the HF propagation environment in more detail; introduces important modulation approaches and signaling protocols used at HF; discusses HF receiver system architectural features; and addresses signal processor architecture and its implementation. He then presents the technical foundation for the book: the vector model for a signal received at an adaptive array antenna. He follows this with discussions of actual signal processing techniques for detection and direction finding, including specific direction-finding algorithms; geolocation techniques; and signal estimation.
Hf Radio Systems And Circuits
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Author : William E. Sabin
language : en
Publisher: IET
Release Date : 1998-06-30
Hf Radio Systems And Circuits written by William E. Sabin and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-06-30 with Technology & Engineering categories.
The book reviews developments in the following areas: single sideband; system design considerations; high-frequency link establishment; receiver design; exciter design; transceiver design; IF analog filters; speech processing; digital signal processing; preselectors; postselectors; synthesizers; frequency standards; solid-state power amplifiers; ultralow-distortion power amplifiers; high-power linear amplifiers; antenna matching techniques; receiver measurements; EMI techniques; and SSB software
High Frequency Communications
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Author : John Arthur Betts
language : en
Publisher:
Release Date : 1967
High Frequency Communications written by John Arthur Betts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Shortwave radio categories.
Siting Criteria For Hf Communication Centers
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Author : William F. Utlaut
language : en
Publisher:
Release Date : 1962
Siting Criteria For Hf Communication Centers written by William F. Utlaut and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Artificial satellites in telecommunication categories.
This note is intended to provide an engineering guide for the siting radio terminals for use in long-range HF communication systems. A brief summary of ionospheric effects upon HF radio signals is presented. Various factors required for an ideal site such as Fresnel zone size and smoothness, noise, antenna height, vertical radiation angle and electrical characteristics of the ground are discussed. Standards to guide compromises for practical cases of siting are considered. A partial bibliography which may be useful for those desiring a greater depth of understanding of the various subjects considered in provided.