Software radio is a new technique that is used in the development of communication system. It can give the communication system high adapting ability and broad expansibility. TDOA network positioning is a popular positioning system now. For the mass production and miniaturization of mobile station of positioning network, this paper makes a deep research of
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In the area of electronic reconnaissance, how to realize real-time detection of broad bandwidth signal at low SNR is always a relative challenging task. Firstly, this thesis introduces the technical background and evaluation criteria of signal detection, and then systematically analyzes several ordinarily used signal detection or match receiving methods. Overall evaluations of these methods
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Spread spectrum communication can effectively use of bandwidth and power in digital communication; it also has a certain safety performance. Chaos theory has become an important research content of nonlinear science in recent years. As one of the hotspot of research in communication, chaotic spread spectrum communication has wide application prospects. Then, in the receiver
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