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EC6502 Principles of Digital Signal Processing
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Subject Informations :
University : Anna University
Department : B.E. ELECTRONICS AND COMMUNICATION ENGINEERING
Semester : 05 th sem
Year : 03 th year
Regulation : R2013
Subject Code : EC6502
Subject Name : Principles of Digital Signal Processing
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EC6502 PRINCIPLES OF DIGITAL SIGNAL PROCESSING – SYLLABUS – R- 2013
OBJECTIVES:
To learn discrete Fourier transform and its properties
To know the characteristics of IIR and FIR filters learn the design of infinite and finite impulse
response filters for filtering undesired signals
To understand Finite word length effects
To study the concept of Multirate and adaptive filters
UNIT I DISCRETE FOURIER TRANSFORM
Discrete Signals and Systems- A Review – Introduction to DFT – Properties of DFT – Circular
Convolution – Filtering methods based on DFT – FFT Algorithms –Decimation in time Algorithms,
Decimation in frequency Algorithms – Use of FFT in Linear Filtering.
UNIT II IIR FILTER DESIGN
Structures of IIR – Analog filter design – Discrete time IIR filter from analog filter – IIR filter design by Impulse Invariance, Bilinear transformation, Approximation of derivatives – (LPF, HPF, BPF, BRF) filter design using frequency translation.
UNIT III FIR FILTER DESIGN
Structures of FIR – Linear phase FIR filter – Fourier Series – Filter design using windowing techniques (Rectangular Window, Hamming Window, Hanning Window), Frequency sampling techniques – Finite word length effects in digital Filters: Errors, Limit Cycle, Noise Power Spectrum.
UNIT IV FINITE WORDLENGTH EFFECTS
Fixed point and floating point number representations – ADC –Quantization- Truncation and Rounding errors – Quantization noise – coefficient quantization error – Product quantization error – Overflow error – Roundoff noise power – limit cycle oscillations due to product round off and overflow errors – Principle of scaling
UNIT V DSP APPLICATIONS
Multirate signal processing: Decimation, Interpolation, Sampling rate conversion by a rational factor – Adaptive Filters: Introduction, Applications of adaptive filtering to equalization.
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EC6502 Principles of Digital Signal Processing Important Questions
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EC6502 Principles of Digital Signal Processing Important Questions
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