Find the IDFT of the sequence $X(K)=\{10,-2+2 j,-2,-2-2 j\}$

710views

Find the IDFT of the sequence

$X(K)=\{10,-2+2 j,-2,-2-2 j\}$

written 2.4 years ago by

prajapatijaimin • 3.3k

• modified 2.4 years ago

digital signal processing

ADD COMMENT EDIT

1 Answer

29views

written 2.4 years ago by

prajapatijaimin • 3.3k

Solution:

The twiddle factors are,

$w_h^0=1, \quad w_h^{\prime}=-j$

enter image description here

The output $N x^*(n)$ is the normal order. Therefore $x(n)=\{1,2,3,4\}$ .

ADD COMMENT EDIT

Please log in to add an answer.