Which filters exhibit their dependency upon the system design for stability purposes?

IIR
FIR
Both (1) and (2)
None of the above

LohaHridoy

8 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : IIR

Concept:

FIR filters are inherently stable since the poles are found only at Z = 0 which is inside the unit circle.
For IIR filters to be stable the necessary and sufficient condition is that all poles are inside the unit circle which is attained through system designing or filter designing.

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If the poles of the IIR filter will lie outside the unit circle of |z|=1, the filter will be unstable in nature.

8 views Answered 2022-09-04 04:29

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