## Statistical Digital Signal Processing Interview Questions and Answers

Statistical Digital Signal Processing Interview Questions and Answers: 1. What is an ergodic process? Ans. A stationary random process {Xn} is said to be ergodic, with probability 1, if all the statistical averages can be…

## Multirate Digital Signal Processing Interview Questions and Answers

Multirate Digital Signal Processing Interview Questions and Answers: 1. What is multirate signal processing? Ans. The theory of processing signals at different sampling rates is called multirate signal processing. 2. Define down sampling Ans. Down…

## Finite Word Length Effects in Digital Filters Interview Questions and Answers

Finite Word Length Effects in Digital Filters Interview Questions and Answers: 1. What are the differentÂ  types of arithmetic in digital systems? Ans. There are three types of arithmetic used in digital systems Fixed point…

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## Finite Impulse Response Filters Interview Questions and Answers

Finite Impulse Response Filters Interview Questions and Answers: 1. What are the different types of filters based on impulse response? Ans. Based on impulse response the filters are of two types 1. IIR filter 2.…

## Infinite Impulse Response Filters Interview Questions and Answers

Infinite Impulse Response Filters Interview Questions and Answers: 1. Give any two properties of Butterworth lowpass filters Ans. The magnitude response of the Butterworth filter decreases monotonically as the frequency Î© increases from 0 to…

## Fast Fourier Transform Interview Questions and Answers

Fast Fourier Transform Interview Questions and Answers: 1. Why FFT is needed? Ans. The direct evaluation of DFT using the formula requires N2 complex multiplications and N(N - 1) complex additions. Thus for reasonably large…

## Discrete Fourier Transform Interview Questions and Answers

Discrete Fourier Transform Interview Questions and Answers: 1. What is zero padding? What are its uses? Ans. Let the sequence x(n) has a length L. If we want to find the N-point DFT (N >…