## EC8553 DTSP Syllabus

Anna University Regulation 2017 ECE EC8553 DTSP Syllabus for all 5 units are provided below. Download link for ECE 5th Sem EC8553 DISCRETE-TIME SIGNAL PROCESSING Engineering Syllabus is listed down for students to make Perfect utilization and score maximum marks with our study materials.

### Anna University Regulation 2017 ECE Engineering (ECE) 5th Sem EC8553 DISCRETE-TIME SIGNAL PROCESSING Engineering Syllabus

EC8553 DISCRETE-TIME SIGNAL PROCESSING
OBJECTIVES:
 To learn discrete fourier transform, properties of DFT and its application to linear filtering
 To understand the characteristics of digital filters, design digital IIR and FIR filters and apply these filters to filter undesirable signals in various frequency bands
 To understand the effects of finite precision representation on digital filters
 To understand the fundamental concepts of multi rate signal processing and its applications
 To introduce the concepts of adaptive filters and its application to communication engineering
UNIT I DISCRETE FOURIER TRANSFORM
Review of signals and systems, concept of frequency in discrete-time signals, summary of analysis & synthesis equations for FT & DTFT, frequency domain sampling, Discrete Fourier transform (DFT) – deriving DFT from DTFT, properties of DFT – periodicity, symmetry, circular convolution. Linear filtering using DFT. Filtering long data sequences – overlap save and overlap add method. Fast computation of DFT – Radix-2 Decimation-in-time (DIT) Fast Fourier transform (FFT), Decimation-in-frequency (DIF) Fast Fourier transform (FFT). Linear filtering using FFT.
UNIT II INFINITE IMPULSE RESPONSE FILTERS
Characteristics of practical frequency selective filters. characteristics of commonly used analog filters – Butterworth filters, Chebyshev filters. Design of IIR filters from analog filters (LPF, HPF, BPF, BRF) – Approximation of derivatives, Impulse invariance method, Bilinear transformation. Frequency transformation in the analog domain. Structure of IIR filter – direct form I, direct form II, Cascade, parallel realizations.

UNIT III FINITE IMPULSE RESPONSE FILTERS
Design of FIR filters – symmetric and Anti-symmetric FIR filters – design of linear phase FIR filters using Fourier series method – FIR filter design using windows (Rectangular, Hamming and Hanning window), Frequency sampling method. FIR filter structures – linear phase structure, direct form realizations
UNIT IV FINITE WORD LENGTH EFFECTS
Fixed point and floating point number representation – ADC – quantization – truncation and rounding – quantization noise – input / output quantization – coefficient quantization error – product quantization error – overflow error – limit cycle oscillations due to product quantization and summation – scaling to prevent overflow.

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EC8553 DTSP Syllabus

Anna University 5th Sem ECE DTSP Syllabus