线性、集总、非时变系统 —频域分析 f(t)=e" i(t)=he" d)=时) 线性、集总、非时变系统——频域分析 ( ) ( ) i( )t hf ( )t i t he f t e st st = = = ( ) ( ) n st n n n m st m m m b p b p b p b e a p a p a p a he 1 0 1 1 1 0 1 1 = + + + + + + + + - - - - L L