Flow Graph and Matrix Representation of Digital Filters: Signal flow graph representation of digital network, matrix
representation, basic network structures for IIR and FIR systems, Telligen’s theorem for digital filters and its applications.
Units: II
Digital filter Design Techniques: Design of IIR and FIR digital filters, computer aided design of IIR and FIR filters,
comparison of IIR and FIR digital filters.
Units: III
Computation of the Discrete Fourier Transform: Goertzel algorithm, FT algorithms, decimation in time and frequency,
FFFT algorithm for N a composite number, Chirp Z transforms (CZT).
Units: IV
Discrete Random Signals: Discrete time random process ,averages spectrum representations of infinite energy signals,
response of linear system to random signals
Units: V
Power Spectrum Estimation: Basic principles of spectrum estimation, estimates of the auto covariance, power spectrum, cross
covariance and cross spectrum.