Each channel oversamples the required input signals, and uses several stages of digital filtering and decimation to reduce the oversampled data down to the required user sampling rate.
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- 每个通道都对被测量进行超采样,多级数字滤波之后(有规律地)舍弃某些超采样点,使得最终(出现在系统数字底板上的)采样频率与用户所设定的采样频率相一致。