Questions
2
If ak is the filter coefficient and āk represents the quantized coefficient with Δak as the quantization error, then which of the following equation is true?
Answer:āk = ak + Δak
3
If pk is the set of poles of H(z), then what is Δpk that is the error resulting from the quantization of filter coefficients?
Answer:Perturbation
4
If the poles are tightly clustered as they are in a narrow band filter, the lengths of |pi-pl| are large for the poles in the vicinity of pi.
Answer:False
5
Which of the following operation has to be done on the lengths of |pi-pl| in order to reduce the perturbation errors?
Answer:Maximize
6
The sensitivity analysis made on the poles of a system results on which of the following of the IIR filters?
Answer:Zeros
7
The quantization inherent in the finite precision arithmetic operations render the system linear.
Answer:False
8
In recursive systems, which of the following is caused because of the nonlinearities due to the finite-precision arithmetic operations?
Answer:Periodic oscillations in the output
9
The oscillations in the output of the recursive system are called as ‘limit cycles’.
Answer:True
10
Limit cycles in the recursive are directly attributable to which of the following?
Answer:Both of the mentioned
