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修改时间 07-27-2017 02:01 AM
有个项目要采集电压输入信号,用万用表量下来电压是稳定的,但在CRIO中的数据跳动的很不稳定。请大家指点一下是什么问题。采用的是LOWPASS CUTOFF 10hz
另外LABVIEW中有没有可以测量输入信号频率的模块。
已解决! 转到解答。
修改时间 07-31-2017 11:03 PM
如果您使用的是cRIO机箱上的模拟输入模块,建议您检查接线方式与测量任务的引脚配置是否匹配。(差分或单端,具体接线方式可以通过在官网上检索您使用的AI模块的用户手册获取)
另外,LabView中程序框图选板中的信号处理子选板中提供了许多分析输入信号的函数,其中就包括了频谱测量。
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