This paper firstly presents two criteria: residual noise energy and signal distortion criterion to evaluate the degrees of noise suppression and signal distortion.
本文首先提出了客观评价噪声压缩效果的两个指标：残余噪声能量和信号畸变指标。
Based on the features of signals to be measured, the corresponding signal conditioning circuits are designed with the components of ultra-low noise and low distortion.
根据待测信号的特点，选用超低噪声、低漂移元器件，设计了相应的信号调理电路。
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