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== Coefficients == | == Coefficients == | ||
| − | <math>cos({\frac{2\pi t}{3}}) = \frac{1}{2}e^({\frac{j2\pi t}{3}})</math> | + | <math>cos({\frac{2\pi t}{3}}) = \frac{1}{2}e^({\frac{j2\pi t}{3}}}) + \frac{1}{2}e^({\frac{-j2\pi t}{3}}})</math> |
Revision as of 16:08, 21 September 2008
CT signal
$ x(t) = 2 + cos({\frac{2\pi t}{3}})+ 4sin({\frac{5\pi t}{3}})\, $
Coefficients
$ cos({\frac{2\pi t}{3}}) = \frac{1}{2}e^({\frac{j2\pi t}{3}}}) + \frac{1}{2}e^({\frac{-j2\pi t}{3}}}) $
