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对脉冲型数据的一种数字滤波技术
Authors
何龙德
姜俊成
Publication date
1 January 1993
Publisher
Abstract
本文提出了一种用于处理动态实验脉冲型数据的数字滤波技术。首先,识别和剔除数据中的野值并加以补正,然后使用最小二乘法15点二阶算式对数据进行滤波,对于脉冲幅值较大的数据可多次滤波,以得到更接近于真实值的数据。用数字滤波技术作动态点估算,对测量数据具有频域滤波和数据平滑化功能,其特点是简单、实用,应用性强。算例表明,对于脉冲型数据和混有高频噪声的动态测量数据的滤波效果是良好的,给出了原数据的有用信息和基本特征
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018