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CFAR receiver apparatus for detecting a signal in noise
CFAR receiver apparatus for detecting a signal in noise
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机译:CFAR接收机装置,用于检测噪声中的信号
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摘要
A CFAR estimator-correlator comprises an estimating filter responsive to the signal-plus-noise input process for providing an estimate of the signal waveform. The estimate and the signal-plus-noise process are applied to a correlator. An amplitude limiter interposed between the signal-plus-noise input and the correlator and a bandpass amplitude limiter interposed between the estimating filter and the correlator impart a CFAR characteristic to the apparatus. An interferometer is configured by utilizing separate sensors to provide a signal-plus-noise input process and a further signal-plus-noise input process to the amplitude limiter coupled to the correlator and to the estimating filter, respectively.
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