Engineering 5th semester syllabus for digital signal processing- Electronics and communication Engineering syllabus

DIGITAL SIGNAL PROCESSING

L T P M C

3 1 0 100 4

UNIT I FAST FOURIER TRANSFORM 9

Introduction to DFT – Efficient computation of DFT- Properties of DFT– FFT algorithms – Radix-2 FFT algorithms – Decimation in Time – Decimation in Frequency algorithms –fast convolution- overlap save method.

UNIT II FINITE IMPULSE RESPONSE DIGITAL FILTERS 9

Amplitude and phase responses of FIR filters – Linear phase filters – Windowing techniques for design of linear phase FIR filters: Rectangular- Hamming- Hanning- Blackman and Kaiser Windows. Gibbs phenomenon –principle of frequency sampling technique- principle of optimum equiripple approximation. Realization - FIR filters.

UNIT III INFINITE IMPULSE RESPONSE DIGITAL FILTERS 9

Review of design of analogue Butterworth and Chebychev Filters- Frequencytransformation in analog domain – Design of IIRdigital filters using impulse invariance technique – Design of IIR digital filters using bilinear transformation – pre warping – Frequency transformation in digital domain – Realization - Direct form I, Direct form II, cascade and parallel.

UNIT IV FINITE WORD LENGTH EFFECTS 9

Quantization noise – derivation for quantization noise power – Binary fixed point and floating point number representations – Comparison – truncation and rounding error – input quantization error-coefficient quantization error – limit cycle oscillations-dead band- Overflow error-signal scaling.

UNIT V DIGITAL SIGNAL PROCESSORS 9

Architectural Features – DSP Building Blocks – Multiplier- Shifter- MAC Unit- ALU – Bus Architecture and Memory – Addressing Modes – Address Generation Unit - Hardware architecture – pipelining- Overview of instruction set of TMS320C50.

TOTAL: 45

TUTORIAL: 15

TEXT BOOKS: