Draw block diagram of Digital Signal Processing & compare Digital signal processing over Analog signal Processing.
[3 marks]Write a short note on frequency domain sampling and reconstruction of discrete – time signals.
[4 marks]Consider the analog signal X (t)=3 cos 100лt a
[7 marks]Determine the minimum sampling rate required to avoid aliasing.
[ marks]Suppose that the signal is sampled at the rate F = 200 Hz What s is the discrete-time signal obtained after sampling?
[ marks]Enlist difference between FIR and IIR Filter
[3 marks]Compute the DFT of the following: (1) x(n) = δ(n)
[4 marks]Explain Direct form - Istructure of IIR system in brief.
[7 marks]Explain Direct form - II structure of IIR system in brief.
[7 marks]Give classification of signals in detail.
[3 marks]State & Prove linearity property of DFT.
[4 marks]For a given discrete time systems,
[7 marks]y(n)= x(2n)
[ marks]y(n)= sin[x(n)] Check whether they are: (1) Static or dynamic (2) Linear or non-linear
[ marks]Explain with suitable example recursive and non-recursive system.
[3 marks]Explain symmetry properties of DFT.
[4 marks]For a given discrete time systems,
[7 marks]Explain with example following operations on signal. 1)Time Shifting 2) Time Reversal
[3 marks]Perform circular convolution of x(n)={2,1,2,1} and y(n)={1,2,3,4}
[4 marks]Compute 4 point DFT of sequence x(n)={1,2,3,4}.1
[7 marks]Explain with example following operations on signal. 1)Amplitude Scaling 2) Time Scaling
[3 marks]Obtain the linear convolution of x (n) = {1,2,2,1} h(n) = {1,2,1}
[4 marks]Determine IDFT of x(k)={2,1+j,0,1-j}.
[7 marks]Write advantages of the FFT algorithm.
[3 marks]Explain bilinear transformation method for FIR filter design.
[4 marks]Find FFT of x(n)={1,2,3,4} using DIT FFT Algorithm.
[7 marks]Explain the term radix in FFT.
[3 marks]Explain Impulse Invariance Method for IIR filter design.
[4 marks]Find FFT of x(n)={1,2,3,4} using DIF FFT Algorithm.
[7 marks]y(n)= x(−n)
[ marks]y(n)= x(n)+x(n−2) Check whether they are: (1) Causal or non-causal (2) Stable or unstable
[ marks]