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共轭正交滤波器组的设计

于 2022-02-24 发布 文件大小:1.29 kB
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共轭正交滤波器组,半带滤波器的长度为47,通带截止频率为0,42pi。  先设计一个单带滤波器, 由单带滤波器得到半带滤波器 ,后利用CQMFB四个滤波器之间的关系,得到 h1, g0, g1。 画出分析滤波器组的对数幅频特性, 并检测两个分析滤波器的功率互补情况。                                                               

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