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METHOD FOR RADIO-FREQUENCY INTERFERENCE SUPPRESSION OF HIGH-FREQUENCY GROUND WAVE RADAR
METHOD FOR RADIO-FREQUENCY INTERFERENCE SUPPRESSION OF HIGH-FREQUENCY GROUND WAVE RADAR
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机译：高频地波雷达的射频干扰抑制方法
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摘要
Disclosed is a method for radio-frequency interference suppression of high-frequency ground wave radar. On the basis of original high-frequency ground wave radar signal processing, an empirical mode decomposition method is utilized to decompose a received signal into a plurality of intrinsic mode functions, radio-frequency interference positions are detected through a standard deviation and sliding window processing, sampling points at the radio-frequency interference positions of the intrinsic mode functions are subjected to power spectrum and instantaneous frequency determination, and the amplitude of the sampling points meeting the requirements is set to be zero. The method has outstanding application effect in actual data processing, causes no damage to signals during noise reduction, brings a significant suppression effect, increases the range of radar detection, and raises the precision of radar detection.
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