Fourier Series: Periodic Signals and lti systems r() ∑ t)=∑ Howo hoJkwot ak→→H(k0)ak gain So|ak一→|H(jko) H(kwo)=H(kwo)le ∠H(kuo) or powers of signals get modified through filter/system includes both amplitude phase ∑akck y=∑H(ck kwon hInI k=<N> k=<N> k kwak jk H ∠H ncludes both amplitude phaseFourier Series: Periodic Signals and LTI Systems