The assessment of the performance of the system with the input range of ±5kN(8kN after enlarging capacity ) ,the error of 1.078% and the sample frequency of 100HZ meets the requirements of the experiment.
系统可以完成多通道、高频率的切削力、扭矩的实时数据采集，量程为±5kN(扩容后达到8kN),采样频率为1000HZ,误差为1.078%，整体性能完全满足试验要求。
参考来源 - 钻削压铸AZ91D镁合金测试系统开发与性能试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
ResultsIt shows that the method of choosing the common sample frequency with the formula is given.
结果给出了运用选取低速采样频率公式选取频率的方法。
MethodsAnalyze spectrum of the sample signal and propose the formula of common sample frequency in low speed.
方法分析了带通采样信号的频谱和规律，导出了低速采样频率的选取公式。
The image forming and disposing time delay of TV tracker and sample frequency affect tracking capability of TV tracking system directly.
由于电视跟踪器图像信号建立、图像处理等原因造成的延时和采样频率直接影响了电视跟踪伺服系统的性能。
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