This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Frequency Transformations”. 1. What is the pass band edge frequency of an analog low pass normalized filter? a) 0 rad/sec b) 0.5 rad/sec c) 1 rad/sec d) 1.5 rad/sec 2. If H(s) is the transfer function of a analog low pass … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Butterworth Filters”. 1. Which of the following is true in the case of Butterworth filters? a) Smooth pass band b) Wide transition band c) Not so smooth stop band d) All of the mentioned 2. What is the magnitude frequency response … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Specifications and Classification of Analog Filters”. 1. What is the region between origin and the pass band frequency in the magnitude frequency response of a low pass filter? a) Stop band b) Pass band c) Transition band d) None of the … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of IIR Filters in Frequency Domain”. 1. Filter parameter optimization technique is used for designing of which of the following? a) FIR in time domain b) FIR in frequency domain c) IIR in time domain d) IIR in frequency domain … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “FIR Least Squares Inverse Filters”. 1. Wiener filter is an FIR least-squares inverse filter. a) True b) False 2. If h(n) is the impulse response of an LTI system and hI(n) is the impulse response of the inverse LTI system, then … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Least Squares Design Methods”. 1. Which of the following filter we use in least square design methods? a) All zero b) All pole c) Pole-zero d) Any of the mentioned 2. Which of the following are cascaded in this method? a) … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Pade Approximation Method”. 1. Which of the following techniques of designing IIR filters do not involve the conversion of an analog filter into digital filter? a) Bilinear transformation b) Impulse invariance c) Approximation of derivatives d) None of the mentioned 2. … Read more
This set of Basic Digital Signal Processing Questions & Answers focuses on “Frequency Transformations in the Digital Domain”. 1. The frequency transformation in the digital domain involves replacing the variable z-1 by a rational function g(z-1). a) True b) False 2. The mapping z-1 → g(z-1) must map inside the unit circle in the z-plane … Read more
This set of Digital Signal Processing Problems focuses on “Frequency Transformations in the Analog Domain”. 1. The following frequency characteristic is for which of the following filter? a) Type-2 Chebyshev filter b) Type-1 Chebyshev filter c) Butterworth filter d) Bessel filter 2. Which of the following is the backward design equation for a low pass-to-high … Read more
This set of Digital Signal Processing aptitude tests focuses on “Characteristics of Commonly Used Analog Filters”. 1. Low pass Butterworth filters are also called as _____________ a) All-zero filter b) All-pole filter c) Pole-zero filter d) None of the mentioned 2. What is the equation for magnitude square response of a low pass Butterworth filter? … Read more
