f(x) i(0-00)x dx =∫f(x)ea 0三0-0 =G(0)=G(0-00) 3位移Hf(x±x)=eHf(x 1 4相似:F(ax)=G() 5微分/()=(i0(x,n=12 其中f(x)-)0,n=12ò ¥ - ¥ - - = f x e dx i ( ) x 0 ( ) w w ( ) ( ) w = w - w 0 = G ¢ G 3. : [ ( )] [ ( )] 0 0 F f x x e F f x iwx 位移 ± = ò ¥ -¥ - ¢ = ¢ = - 0 ( ) , w w w w f x e dx i x ( ) ( ) 0, 1,2,... 1 ¾¾ ®¾ = - ®¥ f x n n x 其中 ( ) 1 4. : [ ( )] a G a F f ax w 相似 = ( ) 5. :F[f (x)]= i ) F[f(x)], n=1,2,... n n 微分 （w