给定所希望的模拟低通滤波器通带最大衰减[img=69x80]17d60360bf943ef.png[/img]和阻带最小衰减[img=61x72]17d60360c9cf70e.png[/img]如下 [img=516x79]17d60360d897567.png[/img]，确定对应的阻带波纹幅度参数。( ) A: 718.5421 B: 709.5487 C: 141.2538 D: 719.254

给定所希望的模拟低通滤波器通带最大衰减<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202011/e107355714a141fd91fe9ccc66a88d73.png" />和阻带最小衰减<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202011/b06529fa94bf4ab0a278216a8a68ba6f.png" />如下 <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202011/1a88a904b00f43e5b283803ef9846bbf.png" />，确定对应的阻带波纹幅度参数。( ) A: 718.5421 B: 709.5487 C: 141.2538 D: 719.254