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Curve smoothing method for reflectivity of wave absorbtive material
Author(s): 
Pages: 10-12
Year: Issue:  12
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  曲线平滑傅里叶变换低通滤波器边缘处理;
Abstract: 由于硬件软件水平和环境的干扰,在微波暗室中对吸波材料反射率进行测试会受到这些因素的影响,使得测量结果不能如实反映被测材料的特性,因此必须对测量数据进行处理来获得准确的结果.本文介绍了一种测试曲线滤除噪声的方法,先对测量数据进行傅里叶变换,获得数据的频谱分布,然后用低通滤波器将干扰谱滤除,最后用逆傅里叶变换获得处理后的数据.通常曲线边缘处理是平滑方法的难点,本文很好地解决了这个问题.
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