看板 Grad-ProbAsk 關於我們 聯絡資訊
※ [本文轉錄自 Math 看板] 作者: paulgoodke (VLSI) 看板: Math 標題: [代數] 富立葉轉換 時間: Sat Mar 21 18:07:49 2009 有幾題的富立葉轉換想問問 以下都用英文 怕翻譯之後會失去原意 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) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.40.88.183 ※ 編輯: paulgoodke 來自: 114.40.88.183 (03/21 18:11) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.40.88.183