分析了某型导弹舵电位计的工作原理 ,在此基础上 ,综合运用现代测控技术和测试信号处理技术 ,对其测试方法进行了总体设计 ,并给出了系统硬件结构和测试软件的算法。试验和分析表明 ,该测试系统相对原有的测试系统精度提高 4倍 ,功效提高一个数量级 ,从而证明了本系统的优越性 Based on the analysis, the working principle of a certain type of missile rudder potentiometer is analyzed. On the basis of this, the overall design of the test method is made by using the modern measurement and control technology and the test signal processing technology synthetically. And the algorithm of the system hardware structure and test software is given. The test and analysis show that the test system has improved the accuracy of the test system by four times and the efficiency by one order of magnitude, which proves the superiority of the system