Using which of the following methods, a digital IIR filter can be directly designed?
A. Pade approximation
B. Least square design in time domain
C. Least square design in frequency domain
D. All of the mentioned
Answer:A
Using which of the following methods, a digital IIR filter can be directly designed?
A. Pade approximation B. Least square design in time domain C. Least square design in frequency domain D. All of the mentioned