Download free books on pc Modern HF Signal Detection and Direction Finding FB2 (English Edition)
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Modern HF Signal Detection and Direction Finding by Jay R. Sklar
- Modern HF Signal Detection and Direction Finding
- Jay R. Sklar
- Page: 368
- Format: pdf, ePub, mobi, fb2
- ISBN: 9780262038294
- Publisher: MIT Press
Download free books on pc Modern HF Signal Detection and Direction Finding FB2 (English Edition)
Modern HF Signal Detection and Direction Finding by Jay R. Sklar 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.
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A brief history of ionospheric radio and HF radio direction finding (HF DF) is given to . only to detect the reflecting layer, but to measure its height, estimated to be .. In modern interferometers (Figure 2.15) the signal is sampled at a number of
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A critical review of contemporary papers on modulation recognition, signal Monitoring and detection of such signals using traditional methods would the incoming radio-frequency (RF) signal directly and then to of co-channel signals , single station location (SSL) through direction finding algorithms,
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