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介绍了数据采集系统采集速率的一种简单实用的评价方法，即正弦波拟合评价法．讨论了评价过程的误差来源，以及减小其评价误差的几种对策;同时给出了评价过程的计算机仿真结果。
A simple and practical evaluation method of data acquisition system acquisition rate is introduced, namely sine wave fitting evaluation method. The sources of error in the evaluation process and several countermeasures to reduce the evaluation error are discussed. At the same time, the computer simulation results of the evaluation process are given.