设计了改进的FIR数字滤波器，实现了对原始输出信号的实时滤波处理，有效地抑制了噪声的干扰，为科氏质量流量计的高精度测量提供了保证。
The improved FIR filter is designed and used for filtering original signals, so the noise is restrained effectively and the measurement precision of the mass flowmeter is guaranteed.
利用设计的实验平台，在窄带通信系统中不考虑记忆效应的情况下，提出了一种基于查询表的能够有效抑制器件噪声的自适应数字预失真方案。
Based on the narrow communication systems and disregarding memory effects, the paper describes an adaptive digital predistortion method which can restrain the noise effect caused by applications.
通过对系统的细致分析，有效地抑制了电路噪声和数字脉冲干扰。
The circuit noise and digital pulse interference have been restrained effectively through the system analysis.
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