Radar Target Recognition Based on Low Frequency Bispectra

Bispectra is widely used in the target recognition based on high resolution range profile (HRRP), but now using features generated from bispectra often need much storage and computation. In this paper, the low frequency part of bispectra is taken as the feature, then time domain processing and frequency domain processing are used to make the feature is more robust to the dimension change. Similarly the method is used to decrease the dimension of integrated bispectra, good result is obtained too. Experiments based on the measured data testified the efficiency of the proposed method