題組內容
1. Fourier transform of a function f(x) is defined by
In what follows, you can use the formula
where 
is the Dirac delta function.
(1)申論題5%)Let the Foure tansform of xf(x)be G
,namely
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1. Fourier transform of a function f(x) is defined by
In what follows, you can use the formula
where is the Dirac delta function.
(1)申論題5%)Let the Foure tansform of xf(x)be G,namely