Example #3: Impulse response of an Ideal Lowpass Filter HgO SIn w Questions Sinc Is this a causal system? No Define:sinc)ssin丌 2)What is h(0)? 6 h(0) Hlu du 2 3)What is the steady-state value of the step response, i.e. S(oo)? (t) h(t) h(t)dt=H(0)=1
Example #3: Impulse Response of an Ideal Lowpass Filter 2) What is h(0)? No. Questions: 1) Is this a causal system? 3) What is the steady-state value of the step response, i.e. s(∞)?
Example#4: Cascading filtering operations H1(j0) Hojo) HgO)=H,GO) H,gjo egH1(j0)=H2(j0) H(j0) Hgo= HGjo) has a sharper frequency
Example #4: Cascading filtering operations H(jω)