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Digital Signal Processing
19 students

Digital Signal Processing

Signal Processing
Last updated 7/2023
English

What you'll learn

  • Discrete –Time Signals and Systems: Introduction to DSP, Advantages, basic elements of DSP system, sampling theorem, A/D, D/A conversion, quantization
  • Elementary discretetime sequences. Discrete-time systems: description, representation, classification (linear, time invariant, static, casual, stable)
  • Analysis of DTLTI systems: The convolution sum, properties of convolution, Analysis of causal LTI systems, stability of LTI systems, step response of LTI system
  • Difference equation, recursive & non recursive systems, solution of difference equations, Impulse response of LTI recursive system. Correlation of discrete time
  • z- Transform and Analysis of LTI Systems: Definition of z- Transform, properties, rational z-Transforms, evaluation of the inverse z- Transforms
  • Analysis of LTI systems in z-domain, transient and steady-state responses, causality, stability, pole-zero cancellation, the Schur-Cohn stability test
  • Fourier Transforms, the DFT and FFT: Definition & properties of Fourier transform, relation with z-transform. Finite duration sequences and DFT
  • Properties, circular convolution, Fast algorithms for the computation of DFT: radix-2 and radix- 4 FFT algorithms
  • Design of Digital Filters: Classification of filters: LP, HP, BP, FIR and IIR filters, filter specifications. Design Windows and by Frequency sampling methods
  • Design of IIR filters from Analog filters using approximation of derivatives, Impulse invariant transformation, Bilinear transformation and Matched z-Transform
  • Realization of Discrete-Time systems: Structures for realization of Discrete-Time systems, realization of FIR systems: Direct Form, Cascade Form,
  • Frequency sampling and Lattice structures. Realization of IIR filters: Direct Form, Signal flow graph and Transposed structures, Cascade form,
  • Lattice and Lattice ladder. Realization for IIR systems

Course content

2 sections42 lectures20h 34m total length
  • Introduction to Digital Signal Processing, Digital Signal, Analog Signal24:34

    Introduction to Digital Signal Processing, Digital Signal, Analog Signal

  • Signal Examples. Definition: Signal, Signal Source, System, Signal Processing17:30

    Signal Examples. Definition: Signal, Signal Source, System, Signal Processing

  • Basic Elements of Digital Signal Processing System22:51

    Basic Elements of Digital Signal Processing System, Advantages of Digital Signal Processing over Analog Signal Processing, Drawbacks of Digital Signal Processing, Difference between Analog Signal Processing System and Digital Signal Processing System

  • Analog to Digital Conversion, Digital to Analog Conversion, Sampling35:20

    Analog to Digital Conversion, Digital to Analog Conversion, Sampling, Sampler, Sampled Signal, Quantization, Quantizer, Quantized Signal, Coding, Coder

  • Sampling of Analog Signal, Sampling Theorem, Sampling Frequency, Aliasing Effect57:24

    Sampling of Analog Signal, Sampling Theorem, Sampling Frequency, Aliasing Effect, Nyquist Rate, Interpolation Function, Reconstruction of Analog Signal from Discrete Signal, Sampling Interval, Frequency of Analog Signal, Frequency of Sampled (Discrete-time Signal)

  • Example on Sampling Theorem, Identifying Sampling Frequency, Nyquist Rate30:28

    Example on Sampling Theorem, Identifying Sampling Frequency, Identifying Nyquist Rate, Identifying Discrete Time Signal from Analog Signal

  • Quantization of Continuous Amplitude Signal, Coding, Quantization Error50:36

    Quantization of Continuous Amplitude Signal, Coding, Quantization Error, Quantization Levels, Quantization Step Size or Resolution, Coding of Quantized Signal, Analog to Digital Signal Conversion

  • Discrete Time Signals, Representations of Discrete Time Signal19:51

    Discrete Time Signals, Representations of Discrete Time Signal, Functional Representation, Graphical Representation, Sequence Representation, Tabular Representation

  • Elementary Discrete Time Signals30:37

    Elementary Discrete Time Signals, Unit Sample or Unit Impulse Signal, Unit Step Signal, Unit Ramp Signal, Exponential Signal

  • Discrete Time Systems, Identifying Response of Discrete Time System1:08:51

    Discrete Time Systems, Identifying Response of Discrete Time System, Identity System, Unit Delay, Unit Advance, Accumulator

  • Block Diagram Representation of Discrete-time Systems, Basic Building Blocks21:23

    Block Diagram Representation of Discrete-time Systems, Basic Building Blocks of Discrete-time Systems, An Adder, A Constant Multiplier, A Signal Multiplier, Unit Delay Element, Unit Advance Element, Memory less elements, Elements with Memory

  • Block Diagram Representation of Discrete-time System, Realization14:03

    Block Diagram Representation of Discrete-time System, Realization of Discrete-time System using Basic Building Blocks, Example on Block Diagram Representation of Discrete-time System

  • Classification of Discrete-Time Systems30:29

    Classification of Discrete-Time Systems, Static Versus Dynamic Systems, Static Systems, Dynamic Systems, Examples

  • Time invariant versus time variant systems38:39

    Time invariant versus time variant systems, time invariant systems, time variant systems, Classification of Discrete-time Systems, Example, Differentiator, Time Multiplier, Folder, Modulator

  • Linear Versus Non-linear Systems43:09

    Linear Versus Non-linear Systems, Linear Systems, Non-linear systems, Identification of linear systems, Superposition Principle, Numerical

  • Causal Systems, Non-causal Systems27:09

    Causal Systems, Non-causal Systems, Causal Versus Non-causal Systems, Identification of Causality of Discrete Time Systems

  • Stable Versus Unstable Systems18:03

    Stable Systems, Unstable Systems, Stable Versus Unstable Systems, Identifying System Stable or Unstable

  • Classification of Signals30:28

    Classification of Signals, Continuous and Discrete Signals, Energy and Power Signals, Periodic and Aperiodic Signals, Even and Odd Signals, Deterministic and Random Signals, Examples

Requirements

  • No prerequisite needed. You will learn everything you need to know.

Description

  • Discrete –Time Signals and Systems: Introduction to DSP, Advantages, basic elements of DSP system, sampling theorem, A/D, D/A conversion, quantization. Elementary discretetime sequences. Discrete-time systems: description, representation, classification (linear, timeinvariant, static, casual, stable)

  • Analysis of DTLTI systems: The convolution sum, properties of convolution, Analysis of causal LTI systems, stability of LTI systems, step response of LTI systems, difference equation, recursive & non recursive discrete time systems, solution of difference equations, Impulse response of LTI recursive system. Correlation of discrete time signals

  • z- Transform and Analysis of LTI Systems: Definition of z- Transform, properties, rational z-Transforms, evaluation of the inverse z- Transforms, analysis of linear time invariant systems in z-domain, transient and steady-state responses, causality, stability, pole-zero cancellation, the Schur-Cohn stability test

  • Fourier Transforms, the DFT and FFT: Definition & properties of Fourier transform, relation with z-transform. Finite duration sequences and the discrete Fourier transform(DFT), properties, circular convolution, Fast algorithms for the computation of DFT: radix-2 and radix4 FFT algorithms

  • Design of Digital Filters: Classification of filters: LP, HP, BP, FIR and IIR filters, filter specifications. Design of FIR filters using Windows and by Frequency sampling methods. Design of IIR filters from Analog filters using approximation of derivatives, Impulse invariant transformation, Bilinear transformation and Matched z-Transformation, Commonly used Analog filters and IIR Filter design example

  • Realization of Discrete-Time systems: Structures for realization of Discrete-Time systems, realization of FIR systems: Direct Form, Cascade Form, Frequency sampling and Lattice structures. Realization of IIR filters: Direct Form, Signal flow graph and Transposed structures, Cascade form, Lattice and Lattice ladder. Realization for IIR systems

Who this course is for:

  • Undergraduate and Post Graduate Students