Research into Simultaneous Transmission and Reception Distance Towing Interference Technology Based on Self Interference Cancellation
When conducting distance towed interference on pulse compression radar,the interference signal generated by the electronic countermeasures system itself has serious time-frequency domain aliasing with the reconnaissance signal that needs to be received,which makes it difficult for the system to continuously detect the detection signal of the radar and generate time-delay interference signals based on the radar detection signal.In response to this issue,the article proposes a digital domain self interference cancellation algorithm based on normalized least mean square(NLMS)to avoid the influence of interference signals on reconnaissance signals.The simulation results show that using this algorithm,the system can reconnoitre the detection signal of the radar while relea-sing interference,and based on this detection signal,false target signals for distance towing are gen-erated.
simultaneous transmission and reception systemadaptive filteringdigital self interfer-ence cancellation
万方数据
维普
