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EC6502 Principles of Digital Signal Processing Important questions Regulation 2013 Anna University

EC6502 Principles of Digital Signal Processing Important questions

EC6502 Principles of Digital Signal Processing Important questions Regulation 2013 Anna University free download. Principles of Digital Signal Processing EC6502 Important questions pdf free download.

Sample EC6502 Principles of Digital Signal Processing Important questions:

Unit 1 EC6502 Principles of Digital Signal Processing Important questions

1. Find the 8-point DFT of x(n)={1,-1,1,-1,0,0,0,0} using Radix-2 DIT-FFT

2. Compute the 8-point DFT of equation x(n)=n2+1 using Radix-2 DIF-FFT 0 ≤ n ≤ N-1

3. With appropriate diagrams describe (i) overlap-save method,(ii)overlap-add method.

4. Explain Radix-2 DIF-FFT algorithm. Compare it with DIT-FFT algorithms.

5. Summarize the properties of DFT with proof.

Unit II EC6502 Principles of Digital Signal Processing Important questions

1. Design a digital butterworth filter satisfying constraints
0.707≤|H ()| ≤1, 0≤≤π/2
|H ()| ≤0.2, 3π/4 ≤≤π with T=0.1 sec using bilinear transformation

2. Design a digital Chebyshev filter satisfying constraints 0.707≤|H ()| ≤1, 0≤≤π/2 ; |H ()| ≤0.2, 3π/4
≤≤π with T=1 sec using bilinear transformation

3. Explain the bilinear transform method of IR filter design. What is warping effect? Explain the poles and zeros mapping procedure clearly. (ec6502 principles of digital signal processing Important questions)

4. Convert the following analog transfer function into digital using impulse invariant mapping and Bilinear mapping with T=1 sec.

5. Explain in detail about the steps involved in the design of IIR filter using bilinear transformation.

Unit III EC6502 Principles of Digital Signal Processing Important questions

1. Design a Linear phase FIR band pass filter to passing frequencies in the range of 0.4 π to 0.6 π rad/sample by taking 7 samples of hanning window sequence

2. Design an FIR low pass digital filter by using the frequency sampling method for the following specifications
Cutoff frequency =1500 Hz
Sampling frequency =15000 Hz
Order of filter N=10
Filter length L=N+1 =11 (ec6502 principles of digital signal processing Important questions)

3. Design a digital FIR band pass filter with lower cut off frequency 2000Hz and upper cut off frequency
3200 Hz using Hamming window of length N = 7. Sampling rate is 10000Hz

4. Explain the designing of FIR filters using windows

5. Determine the coefficients {h(n)} of a linear phase FIR filter of length M = 15 which has a symmetric unit sample response and a frequency response that satisfies the condition

Subject Name Principles of Digital Signal Processing
Subject Code EC6502
Regulation 2013

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