Although these methods can control and reduce the noise in most measurements, some techniques just prevent noise from entering the system, whereas others remove only extraneous noise from the signal.

 
  • 虽然这些方法在大多数测量中能控制和减少噪声,但是一些技术只是防止噪声进入系统,而其他只是去除信号中的外来噪声。
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