Chapter 15. MATLAB Applications in Digital Signal Processing

Learning Objectives

  • Study of basic discrete-time signals such as unit impulse, step, ramp, real and complex exponential and their representation using MATLAB functions.

  • Study of different types of discrete-time systems.

  • Mathematical operations on discrete-time signals such are addition, multiplication, scaling, folding and shifting using user-defined MATLAB functions.

  • Use of MATLAB functions such as decimate, interp, downsample, upsample and resample.

  • Use of MATLAB functions to obtain convolution of discrete-time signal.

  • Brief introduction to z-Transform, Discrete Time Fourier Transform (DTFT), Discrete Fourier Transform (DFT) and Fast Fourier Transform (FFT).

  • Use of fft and ifft functions ...

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