作者paulgoodke (VLSI)
看板Grad-ProbAsk
标题[问题] 富立叶转换
时间Sat Mar 21 22:24:49 2009
※ [本文转录自 Math 看板]
作者: paulgoodke (VLSI) 看板: Math
标题: [代数] 富立叶转换
时间: Sat Mar 21 18:07:49 2009
有几题的富立叶转换想问问
以下都用英文 怕翻译之後会失去原意
1.Determine the effect of a shift ofθ' on the Fourier-Bessel transform of
a function f(r,θ).
2.Calculate the combined effect of a scaling(by a) and rotation (by θ) on
the Fourier transform of the function f(x,y),where f(x,y) is a 2-D rect
function.
3.If FT[(x,y)]=F(u,v), show that (∫-∞~∞∫-∞~∞f(x,y)dxdy/f(0,0))=(F(0,0)/
∫-∞~∞∫-∞~∞F(u,v)dudv)
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※ 编辑: paulgoodke 来自: 114.40.88.183 (03/21 18:11)
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