This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Matched Z Transformation”. 1. In which of the following transformations, poles and zeros of H(s) are mapped directly into poles and zeros in the z-plane? a) Impulse invariance b) Bilinear transformation c) Approximation of derivatives d) Matched Z-transform 2. Which of … Read more
This set of Digital Signal Processing Questions for campus interviews focuses on “IIR Filter Design by Impulse Invariance”. 1. By impulse invariance method, the IIR filter will have a unit sample response h(n) that is the sampled version of the analog filter. a) True b) False 2. If a continuous time signal x(t) with spectrum … Read more
This set of Digital Signal Processing Questions for entrance exams focuses on “IIR Filter Design by Approximation of Derivatives”. 1. An analog filter can be converted into digital filter by approximating the differential equation by an equivalent difference equation. a) True b) False 2. Which of the following is the backward difference for the derivative … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of IIR Filters from Analog Filters”. 1. What is the duration of the unit sample response of a digital filter? a) Finite b) Infinite c) Impulse(very small) d) Zero 2. Which of the following methods are used to convert analog … Read more
This set of Digital Signal Processing Question Bank focuses on “Comparison of Design Methods for Linear Phase FIR Filters”. 1. Which of the following is the first method proposed for design of FIR filters? a) Chebyshev approximation b) Frequency sampling method c) Windowing technique d) None of the mentioned 2. The lack of precise control … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of Hilbert Transforms”. 1. What kind of filter is an ideal Hilbert transformer? a) Low pass b) High pass c) Band pass d) All pass 2. How much phase shift does an Hilbert transformer impart on the input? a) 45° … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of FIR Differentiators”. 1. How is the frequency response of an ideal differentiator related to the frequency? a) Inversely proportional b) Linearly proportional c) Quadratic d) None of the mentioned 2. Which of the following is the frequency response of … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of Optimum Equi Ripple Linear Phase FIR Filters-2”. 1. If δ1 represents the ripple in the pass band for a chebyshev filter, then which of the following conditions is true? a) 1-δ1 ≤ Hr(ω) ≤ 1+δ1; |ω|≤ωP b) 1+δ1 ≤ … Read more
This set of Digital Signal Processing online test focuses on “Design of Optimum Equi Ripple Linear Phase FIR Filters-1”. 1. Which of the following filter design is used in the formulation of design of optimum equi ripple linear phase FIR filter? a) Butterworth approximation b) Chebyshev approximation c) Hamming approximation d) None of the mentioned … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers focuses on “Design of Linear Phase FIR Filters by Frequency Sampling Method”. 1. In the frequency sampling method for FIR filter design, we specify the desired frequency response Hd(ω) at a set of equally spaced frequencies. a) True b) False 2. To reduce side … Read more
