系统分析了两级脉冲压缩式直流磁调制器的工作过程，并通过对某型单脉冲体制雷达调制器的实测波形的分析，提出了进一步提高该调制器工作可靠性的具体方法。

This article analysed work process of two step pulse compress direct current magnetism modulator, through analysis of the measured wave of the modulator in the monopulse radar,and suggested the specific way that improved the reliability of the modulator.

TN761