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关于二阶低通滤波器参数计算 #9

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fy-dream opened this issue Feb 27, 2021 · 2 comments
Open

关于二阶低通滤波器参数计算 #9

fy-dream opened this issue Feb 27, 2021 · 2 comments

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@fy-dream
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您好!
想请教下二阶低通滤波器参数计算公式的推导过程,查阅相关滤波器设计的资料,发现无法推导出你在代码中实现的参数公式,请问您是如何推导而来的,有相关参考资料吗?
望不吝赐教!谢谢!!

@fy-dream
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fy-dream commented Mar 3, 2021

老师,您好!
最近有时间吗?可以帮我解答下该问题吗,最近一直在纠结这个问题。呜呜~~

@yyccR
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yyccR commented Mar 3, 2021

你好,最近邮件比较多覆盖了,不好意思,这个低通滤波器当时是参考天穹飞控的实现,https://github.com/loveuav/BlueSkyFlightControl/blob/master/SRC/MATH/lowPassFilter.c 我自己也试了多个版本的IIR,效果差别不会太大,另外你可以实现我发的那个参考文献里面的IIR,这个还是得多尝试,寻找一个适合自己项目的就行。

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