Performance Analysis of Digital Pulse Compression in Dechirp Methods for Wideband LFM Signals

The pulse compression in dechirp way for Wideband LFM signals can effectively decrease sampling frequency, which is only valid specifically for some pulse compression by the limit of the delay between target and reference point. At the same time, the result is influenced by the delay between target and reference point and Doppler frequency. This paper analyses the influences on the performance of pulse compression by the delay between target and reference point and Doppler frequency theoretically and simulatively. The simulation results in several conditions give references to select signal bandwidth, sampling frequency and the delay between target and reference point in engineering applications.