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关于展开为傅里叶级数和傅里叶贝塞尔级数的问题 #9

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DarkBK201 opened this issue Mar 25, 2018 · 1 comment
Open

关于展开为傅里叶级数和傅里叶贝塞尔级数的问题 #9

DarkBK201 opened this issue Mar 25, 2018 · 1 comment

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@DarkBK201
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2018春140201LFJ
在这次作业中遇到了一些级数展开问题
image
还有一个是右边等式为
image
对于第一个可以先傅里叶展开再用傅里叶贝塞尔级数求得A
但是对于第二个
image
展开时涉及到周期延拓问题，怎样才能进行合理的延拓（已参考书，说是延拓到4L的周期）
@DarkBK201
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这个地方理解的不好，是否直接用傅里叶贝塞尔展开

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@DarkBK201