... nostril retaining thermistor sensor 鼻腔留置型热敏电阻传感器 notch amplifier 标记信号放大器 notch filter 陷波滤波器 ...
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标度信号放大器
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During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.
在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。
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