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Author: Nicholas M Maslin
Publisher: CRC Press
ISBN: 0203168895
Category : Technology & Engineering
Languages : en
Pages : 201
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Book Description
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
Author: Nicholas M Maslin
Publisher: CRC Press
ISBN: 0203168895
Category : Technology & Engineering
Languages : en
Pages : 201
Get Book Here
Book Description
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
Author: Eric E. Johnson
Publisher: Artech House
ISBN: 1608075036
Category : Technology & Engineering
Languages : en
Pages : 262
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Book Description
Wideband HF. Book jacket.
Author: John M. Goodman
Publisher: Springer
ISBN:
Category : Juvenile Nonfiction
Languages : en
Pages : 664
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Book Description
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.
Author: Jay R. Sklar
Publisher: MIT Press
ISBN: 0262038293
Category : Computers
Languages : en
Pages : 369
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Book Description
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.
Author: Steve Ford
Publisher: American Radio Relay League
ISBN: 0872591034
Category : Technology & Engineering
Languages : en
Pages : 210
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Book Description
Author: Eric E. Johnson
Publisher: Artech House Publishers
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 416
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Book Description
This up-to-date, comprehensive reference and planner's guide presents an in-depth description of automated HF communications.
Author:
Publisher:
ISBN:
Category : Armed Forces
Languages : en
Pages : 950
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Book Description
Author: Claude Jollet
Publisher: Claude Jollet
ISBN: 0995027323
Category : Technology & Engineering
Languages : en
Pages : 114
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Book Description
The contents of this book are mostly aimed at the amateur radio beginner and aspiring ones. Therefore, this book provides answers to basic questions like: What is the best HF antenna for my needs and location? What type of stand-alone antenna tuner should I use and which should I avoid? How can I hide my HF antenna from the neighbors and still get acceptable performance from it? What about lightning protection? This book will supply immediately useful answers to the above questions and many more. A properly designed and installed amateur radio HF antenna system can potentially make the humblest ham radio equipment perform like stations worth thousands of dollars. We are confident that the antenna experimenter will find the information given here priceless. Furthermore, any ham radio operator, armed with the information this book contains, will become a much better informed buyer of commercially made HF antenna systems and accessories. This special compendium edition is published in response to ham radio operators who wrote to ask that all the basic information, on and related to amateur radio HF antennas, be made available in one book instead of four, arguing that it would be more convenient. The author and publisher agree. Therefore this edition contains the complete four-book series on Amateur Radio HF Antennas published by Claude Jollet, VE2DPE.
Author:
Publisher:
ISBN:
Category : Communications, Military
Languages : en
Pages : 1168
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Book Description
Author: John M. Goodman
Publisher:
ISBN:
Category : Ionosphere
Languages : en
Pages : 716
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Book Description
