Digital Signal Processing — Summer 2019

Check whether the given signal is periodic or not? X[n]=sin(0.2n+π)

Prove the differentiation property of DTFT.

y[n]=5x[n-10] check whether the system is linear time invariant causal and stable or not?

What do you mean by filter coefficient quantization effect explain?

Compare the minimum phase and non-minimum phase system.

Define the inverse system, how to make non invertible system to an invertible system.

Find out all pass minimum phase description of given system. 0

Find out an impulse response of a system described by difference equation. y[n]-ay[n-1]=x[n]

Draw the direct form-Iimplementation of the given system transfer function. (1+2z-1+z-2)/(1-0.75z-1+0.125z-2)

1-Find out the IDTFT of Ideal low pass response. 2-Explain the adaptive beam forming using block diagram.

Find out the Fourier transform of f(t) = e−a|t| (with a > 0)

Draw the direct form-II implementation of the given system transfer function. (1+2z-1+z-2)/(1-0.75z-1+0.125z-2)

Find out the Ztransform of x[n]={n(-1/2)nu(n)X(1/4)-nu(-n)}

Draw cascade form implementation of given system (1+2z-1+z-2)/(1-0.75z-1+0.125z-2)

Convert the given Analog Filter in to the digital filter using impulse invariance technique. Ha(s)=(s + a) /{(s + a) 2 + b2 }

Compare Type-1, Type-2, Type-3 and Type-4 FIR Filter1 H1  z  1  3 z z  1  1

Explain the impulse invariance transformation

Compare, Hamming window with Blackman window

Design the IIR Butterworth filter to meet the following specifications using bilinear transformation. 0.8≤|H(ejw)| ≤1 for 0≤w≤0.2 And |H(ejw)| ≤0.2 for 0.6≤w≤π

What is the difference between decimation in time and decimation in frequency?

Using the decimation in time find DFT of four point sequence {1,2,3,4}

Explain how the decimation in time technique works with necessary equations and diagrams.

Describe how the system identification works?

Compare Up Sampling and Down Sampling.

Explain about DSP processor architecture.