IT6502 Digital Signal Processing Important Questions
Unit 1
concepts of frequency in Analog and Digital Signals
sampling theorem
Analysis of discrete time LTI systems
Z transform
Correlation
Unit 2
Properties of DFT
Circular Convolution
Filtering methods based on DFT
FFT Algorithms
Decimation in time Algorithms
Use and Application of DCT
Unit 3
Structures of IIR
Analog filter design
Bilinear transformation
(LPF, HPF, BPF, BRF) filter design using frequency translation
Unit 4
Linear phase FIR filter
Fourier Series
Filter design using windowing techniques (Rectangular Window, Hamming Window)
Unit 5
Binary fixed point and floating point number representations
Quantization noise
truncation and rounding
input quantization error
coefficient quantization error
Overflow error
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