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Contact Hours and Credits: (3 -0- 0) 3
The subject aims to introduce the mathematical approach to manipulate discrete time signals, which are useful to learn digital tele-communication.
Review of LSI system theory. DTFT. Frequency response of discrete time systems. All pass inverse and minimum phase systems.
DFT. Relationship of DFT to other transforms. FFT.DIT and DIF FFT algorithm. Linear filtering using DFT and FFT.
Frequency response of FIR filter types. Design of FIR filters. IIR filter design. Mapping formulas. Frequency transformations.
Direct form realization of FIR and IIR systems. Lattice structure for FIR and IIR systems. Finite-word length effects. Limit cycle oscillations.
Sampling rate conversion by an integer and rational factor. Polyphase FIR structures for sampling rate conversion.
Students will be able to