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Home Community Regional Communities NI中文技术论坛 NI LabVIEW,CVI,数据采集等产品讨论区主题

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如何实现计数输入信号的累计并同时触发输出模拟信号？

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修改时间 ‎04-16-2014 10:25 PM

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小弟想通过USB-6351采集卡的计数器通过对一个频率为30K的TTL信号进行计数，并希望计数达到3W时触发采集卡的模拟输出通道输出1个方波信号。简单来说就是希望把30K赫兹的输入信号转换为1赫兹的输出信号；现在已经能采集到模拟输入信号，并且也可以使用仿真信号来实现模拟输出；请问大家：模拟输入或者计数输入转换到模拟输出的中间改如何去改变信号的频率？该通过什么功能实现？亦或者是否通过类似锁相的功能？

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