对三种数字拖动方案的分析与比较

Analysis and Comparison of Three Digital Pulling Methods

介绍了四类测高雷达天线同步拖动系统的基本原理。分析了已在工程中应用的置换法和D/S变换器接口法两种数字拖动方法的适用范围及优缺点。提出了一种更好的数拖方案——数字差动同步机接口法。

Basic principle of four kinds of synchro pulling systems for antenna of height-finder radar is introduced in this paper. The application and advantages and disadvantages of two digital pulling methods applied to engineering are analysed. Finally, a better digital pulling method,pulling by digital differential synchro(DDS) is given.