摘要
去极值平均滤波是一种复合型数字滤波法,其功能是由软件完成的。在研制高准确度、高分辨率微欧量级智能电阻校准仪的过程中,通过对被处理信号和实时计算显示值的观察和分析,应用去极值平均滤波法,消除了明显的脉冲干扰,剔除了远离实际值的采样值;同时有效地克服了随机噪声干扰,获得了准确可靠的显示值和稳定的高分辨率。
Limiter average filtering is one kind of composite digital filtering method and its function is finished by software.At the process of developing smart micro ohm resistance calibrator with high accuracy and resolution,the limiter average filtering is applied for observing and analyzing the processed signal and real-time calculated displayed value.This application is very helpful to eliminate obvious pulse interference and weed out the sampling value which is far away from actual value.It also effectively overcomes random noise interfere,so it gets accurate displayed value and stable high resolution.
出处
《电测与仪表》
北大核心
2011年第9期47-48,共2页
Electrical Measurement & Instrumentation
关键词
去极值平均滤波
准确度
分辨率
limiter average filtering
accuracy
resolution
