等精度频率脉冲信号采集测试系统

文章介绍了等精度测频原理，实现电路及测试程序流程。等精度频率脉冲信号采集测试系统，是采用多周期同步测量技术，使不同的被测频率在相同的采样时间内都具有相同的测量精度。同时，利用微计算机技术，数据的采集和处理，测量结果的显示可以自动完成，该系统实施简单，具有测量精度高，测试功能多等特点。

The Equivalent Accuracy Acquisition and Measuring System for Frequency Pulse Signal,

The principle of equivalent accuracy measuring frequency,implement circuit and part of testing programs are introduced.The system uses multiple cycle synchronized technique which makes different measured frequency signal have equivalent measuring accuracy in same sampled periods.With microcomputer technique,the data acquisition and processing,measuring results display can be accomplished automatically.The system has the characteristic of high accuracy,multiple parameter measuring and simplicity in enforcing.