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表面测量中高斯滤波中线的有理逼近实现
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许景波1,2 , 袁怡宝3, 崔晓萌1,2, 郭欣1,2, 王升1,2 |
Rational approximation implementation approach to determine Gaussian filtering mean line in surface roughness measurement
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XU Jing-bo 1,2 , YUAN Yi-bao 3, CUI Xiao-meng 1,2, GUO Xin 1,2, WANG Sheng 1,2
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图1 高斯滤波器与有理逼近分式幅频特性和幅度偏差曲线 Fig.1 Amplitude-frequency characteristic and difference of amplitude of Gaussian filter and the rational approximation fraction |
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