关键词: 阵列信号处理, 盲信号处理, 峰度, 外辐射源雷达, 独立成分分析

Abstract:

The model of array signal processing and that of blind signal processing are compared. Their characteristics are analyzed and unified. The concept of space scan based on nonsecondorder characteristics of signals is proposed. The kurtosis of signal changed with SNR and the space scan based on kurtosis are verified. According to the cochannel interference problem of the external illuminatorsbased radar using civilian broadcast signals, an independent component analysis is introduced. Some measured data processing results are shown and its effect is proved.

Key words: array signal processing;blind signal processing;kurtosis;external illuminatorsbased radar;independent component analysis