## Digital Signal Processing Important Questions Pdf file – DSP Imp Qusts

Please find the attached pdf file of Digital Signal Processing Important Questions Bank – DSP Imp Qusts

Link – DSPÂ Question Bank

**UNIT-I**

INTRODUCTION

- Define symmetric and anti symmetric signals.
- Explain about impulse response?
- Describe an LTI system?

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**UNIT-II**

DISCRETE FORUIER SERIES

1 Define discrete fourier series?

2 Distinguish DFT and DTFT

3 Define N-pint DFT of a sequence x(n)

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**UNIT-III**

FAST FOURIER TRANSFORM

1 Why FFT is needed?

2 What is the speed improvement factor in calculation 64-point DFT of sequence using direct computation and FFT algorithm?

3 what is the main advantages of FFT?

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**UNIT-IV**

REALIZATION OF DIGITAL FILTERS

1 Define Z-transform and region of converges

2 what are the properties of ROC

3 Write properties of Z-transform

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**UNIT-V**

IIR DIGTAL FILTERS

- Give the magnitude function of butter worth filter. What is the effect of varying order of N on magnitude and phase response?
- Give any two properties of butter worth low pass filter
- what are properties of chebyshev filter

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