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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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NI 9233, NI 9234, NI 9237是动态信号采集(DSA)模块,用了Delta Sigma 的转换器和过采样时钟。该模块需要设置采样率来配置过采样时钟。这就是为何必须设置速率。开始采集实际上重启了设备并且应用了设置的速率。
因为设置了期望的采样率,所以如果模拟输入读取不够快可能引起丢失采样。如果读的太快,节点会知道新的采样点还没到,并且等待模块传递新的采样点到来。
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