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词汇
low pass filter
释义
low pass filter
低通滤波器
一种滤波装置。它允许信号的低频部分通过,而对高频部分有很大的衰减。在影像处理中,利用低通滤波器对高频部分进行衰减,可以缓和影像灰度的突变并去掉一些高频杂讯,从而使影像比较平滑柔和。
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更新时间:2026/8/28 14:55:09