The detecting and imaging processing scheme is presented and described detailedly . the typical computer simulation results are given and illustrate its validity . some problems such as receiving channels mismatch and blind speed are discussed and solved 文中对动目标检测和成像过程中存在的一些问题如接收机通道失配、盲速等进行了深入细致的分析,对盲速问题给出了有效的解诀方案。