(→DT Periodic Fx) |
(→DT Periodic Fx) |
||
| Line 10: | Line 10: | ||
the value will be periodic as long as | the value will be periodic as long as | ||
| − | <math>w/(2*pi) = K | + | <math>w/(2*pi) = K/N </math> |
| + | |||
| + | K is any integer | ||
== CT NON-Periodic Fx == | == CT NON-Periodic Fx == | ||
== DT NON-Periodic Fx == | == DT NON-Periodic Fx == | ||
Revision as of 12:17, 4 September 2008
CT Periodic Fx
$ x(t)=e^j*t $
$ e^j*t $---> $ cos(t) + j*sin(t) $
the real part is periodic along with the imaginary part
DT Periodic Fx
$ x[n]=e^j*w*n $
the value will be periodic as long as
$ w/(2*pi) = K/N $
K is any integer
