Explore topic-wise MCQs in Digital Signal Processing Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is the expression for \(\frac{∂p_i}{∂a_k}\)?

A. \(\frac{-p_i^{N+k}}{\prod_{l=1}^n p_i-p_l}\)
B. \(\frac{p_i^{N-k}}{\prod_{l=1}^n p_i-p_l}\)
C. \(\frac{-p_i^{N-k}}{\prod_{l=1}^n p_i-p_l}\)
D. None of the mentioned
Answer» D. None of the mentioned
2.

What is the expression for the perturbation error Δpi?

A. \(\sum_{k=1}^N \frac{∂p_i}{∂a_k} \Delta a_k\)
B. \(\sum_{k=1}^N p_i \Delta a_k\)
C. \(\sum_{k=1}^N \Delta a_k\)
D. None of the mentioned
Answer» B. \(\sum_{k=1}^N p_i \Delta a_k\)
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?

A. Pre-turbation
B. Perturbation
C. Turbation
D. None of the mentioned
Answer» C. Turbation
4.

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?

A. āk = ak.Δak
B. āk = ak/Δak
C. āk = ak + Δak
D. None of the mentioned
Answer» D. None of the mentioned
5.

The system function of a general IIR filter is given as H(z)=\(\frac{\sum_{k=0}^M b_k z^{-k}}{1+\sum_{k=1}^N a_k z^{-k}}\).

A. True
B. False
Answer» B. False