m-i.im?./m–1
Discrete-ourier-ransfo.ir#-
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{✗(n)} isa setofevenly
samples of ✗dcw) on W E [0,27)
N-II ✗(m) – ✗df2÷m)=[✗(n) e-
=0,I,—,N-
Properties :
( angle is
×1211=1×1611
” /{ ☐FT”/{✗( )
9,1, -35,7}
¥-2m}1={7%1,35}
(tim eshift)
i mk}”” N- ({✗(m) e- =/✗(