下一站守护 发表于 2019-12-9 10:53:45

这是什么滤波器?怎么计算各个参数和截止频率

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

下一站守护 发表于 2019-12-9 10:58:58

这是设计图,帮我分析一下,谢谢!
页: [1]
查看完整版本: 这是什么滤波器?怎么计算各个参数和截止频率