(→DT Periodic Fx) |
(→DT Periodic Fx) |
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| Line 8: | Line 8: | ||
<math>x[n]=e^j*w*n</math> | <math>x[n]=e^j*w*n</math> | ||
| − | the value will be periodic as long as <math>w/(2*pi) = K (an integer)/N </math> | + | the value will be periodic as long as |
| + | |||
| + | <math>w/(2*pi) = K (an integer)/N </math> | ||
== CT NON-Periodic Fx == | == CT NON-Periodic Fx == | ||
== DT NON-Periodic Fx == | == DT NON-Periodic Fx == | ||
Revision as of 13:16, 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 (an integer)/N $
