介绍了一种反干扰测谱接收机技术，它是采用超外差窄带搜索和雷达正程采样、分析的方案。当雷达在有噪声干扰背景情况下，该测谱接收机能实时地指示无干扰或干扰最弱的频率点（或区域），使雷达自适应地跳变到无一干扰或干扰最弱的区域去工作，从而大大地提高了雷达在干扰环境中探测目标的能力，是使雷达在现代战争中提高抗干扰能力的重要组成部分。 An anti-jamming spectrum receiver technology is introduced, which is a scheme of sampling and analyzing using superheterodyne narrowband search and radar forward sampling. When the radar is in the background of noisy interference, the spectrum receiver can indicate the non-interference or the weakest frequency point (or area) in real-time so that the radar adaptively jumps to the area without interference or the least interference Work, thereby greatly improving the radar’s ability to detect targets in disturbing environments. It is an important part of enhancing the anti-interference capability of radars in modern warfare.