It is very important to study the signal to clutter ratio(SCR) and the power spectral density(PSD) of the clutter as a basis for studying the target detection in the background of clutters.

• 关于信杂比及杂波谱的研究对于杂波背景下目标的检测具有重要的指导意义,然而窄带雷达已有的相关理论在超宽带雷达中已经不再适用,需重新进行研究。