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Non-linear signal distortion detection using multiple signal to noise ratio measurement sources
Non-linear signal distortion detection using multiple signal to noise ratio measurement sources
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机译:使用多个信噪比测量源进行非线性信号失真检测
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摘要
A television signal processing apparatus comprising a receiver comprises a distortion estimator and an automatic gain control signal generator. The automatic gain control signal generator generates a plurality of automatic gain control and filter response control signals in response to the magnitude or signal to noise ratio of an RF signal and a non-linear distortion figure generated from the information carried by said RF signal. The distortion estimator uses a plurality of statistical methods to generate a non-linear distortion figure from the signal constellation of the information carried by said RF signal.
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