5.1 Frequency Response of LTT Systems Frequency response hle/ Useful input signal Yle/=hle/wintel deleterious signa ◆ Magnitude response(gain)Hle") change on to Y(en)=H(emx(ery useful signal distortions . Phase response(phase shift)H(e/") ∠y()=∠H(e")+∠x(em)4 5.1 Frequency Response of LTI Systems ( ) ( ) ( ) j w j w j w Y e = H e X e ( ) ( ) ( ) j w j w j w Y e = H e  X e ◆Phase response (phase shift) ( ) jw H e ( ) ( ) ( ) j w j w j w Y e = H e +X e ( ) jw ◆Frequency response H e ( ) jw ◆Magnitude response (gain) H e distortions change on useful signal system Useful input signal + deleterious signal