一种低采样数据采集设备时间精度的测量方法

A Time Accuracy Measurement Method for Low-Sampling Data Acquisition Equipment

提出一种低采样数据采集设备的时间精度测量方法,介绍该方法的测量原理及数据获取流程,并结合地震行业实例给出低采样数据采集设备的时间精度测量结果。本文方法可将低采样数据采集设备的时间测量精度提高到ms级,可用于输入与输出具有线性关系的地球物理观测设备数据采集器时间精度的测试。

We propose a time accuracy measurement method for low-sampling data acquisition equipment.We introduce the measurement principle and data acquisition process of this method,and give results of the time accuracy for a low-sampling data collector equipment with an example of earthquake department.The results show that this method can improve the time measurement accuracy of low-sampling data acquisition equipment to milliseconds.This method can be used in the test of timing accuracy of geophysical observation data collector with linear relationship between input and output.