The impulse invariant method is obtained by
A. Sampling the impulse response of an equivalent analog filter
B. Taking backward difference for the derivative
C. Mapping from s-domain to z-domain
D. Approximation of derivatives
Answer:A
The impulse invariant method is obtained by
A. Sampling the impulse response of an equivalent analog filter B. Taking backward difference for the derivative C. Mapping from s-domain to z-domain D. Approximation of derivatives