短語詞組短語filtering noise -elimination 濾波去噪amount of noise elimination 消聲量picture noise elimination 圖像消噪large noise elimination quantity 大消聲量noise elimination device 消聲降噪設(shè)備electromagnetic noise elimination 電磁噪聲抑制signal noise elimination 信號消噪frequency of noise elimination 消聲頻率periodic narrowband noise elimination 去除周期性干擾 返回 noise elimination