S&Ilecture11[1].bak

Main points

?CTFS ?DTFT

Lecture 12

Continuous Time Fourier Series and DTFT

Lecture 12Continuous Time Fourier Series and DTFT 1. CTFS

2. DTFT of Aperiodic signals

H

h

h(n)δ(n-1)

h(n)δ(n)

3. FIR Filter Design Using Windows

Transition width of H(ω) depends on mainlobe width of Window,

/ stopband proportional to Sidelobe of window

4. LCCDES

H

h