Semester 7 DSP weightage
Semester 7 DSP weightage

Chapter: Representation of Discrete Time (DT) Signals

(Note: A very easy and high scoring chapter. A must for all students who want to pass DSP)

Topics to be prepared

I want to Just Pass:

Theory: Classification of DT signals

  • Standard DT Signals
  • Signal Manipulations – Shifting, Time Scaling, Folding, Amplitude Scaling, Addition, Subtraction, Multiplication.
  • Signal Plotting using Elementary Signals
  • Arithmetic operations on the signals
  • Problems based on
    1. Even / Odd part of Signal + Their Graphs
    2. Periodic / Aperiodic Signals
    3. Energy / Power Signal

 I want to get good Marks: (As above and plus)

  • Concept of Digital Frequency

Chapter: DT Systems – Time Domain Analysis

(Note: A very easy and high scoring chapter. A must for all students who want to pass DSP)

Topics to be prepared

I want to Just Pass:

  • Classification of DT systems (Theory & Problems)
    1. Linear / Non-Linear
    2. Time Variant / Invariant
    3. Causal / Non-Causal
    4. Stable / Unstable (Condition for BIBO stability)
    5. Static / Dynamic
    6. Invertible / Non-Invertible
  • Properties of LTI systems

 I want to get good Marks: (As above and plus)

  • Concept of IIR System and FIR System.
  • Output of IIR and FIR DT system using Time Domain Linear Convolution formula Method..

Chapter: Sampling

Topics to be prepared

I want to Just Pass:

Theory:

  • Sampling and Reconstruction
  • Aliasing effect
  • Sampling Theorem
  • Definitions
    1. Sampling Rate
    2. Nyquist Frequency
    3. Sampling Period

 

I want to get good Marks: (As above and plus)

  • Problems based on Sampling

Chapter: Time Domain Analysis using Convolution Sum & Correlation

(Note: A high scoring chapter. A must for all students who want to pass DSP)

Topics to be prepared

I want to Just Pass:

  • Theory: Properties of convolution integral/sum.
  • Problems based on
    1. Finding Linear Convolution by Analytical / Graphical / Table / Matrices method.
    2. Finding Circular Convolution by Analytical / Graphical / Table / Matrices method.
    3. Finding Linear Convolution using Circular Convolution
    4. Auto and Cross Correlation evaluation.

I want to get good Marks: (As above and plus)


Chapter: Discrete Fourier Transforms (DFT)

(Note: A very easy and high scoring chapter. A must for all students who want to pass DSP)

Topics to be prepared

I want to Just Pass:

  • Definition and Properties of DFT.
  • Problems based on
    1. Computation of DFT and IDFT
    2. Circular Convolution using DFT / IDFT
    3. Linear Convolution using DFT / IDFT
    4. Evaluating DFT using Properties of DFT
    5. Relation between DFT & DTFT

I want to get good Marks: (As above and plus)

  • Introduction to DTFT
  • Transfer function of DT System in frequency domain using DFT.
  • Response of FIR system calculation in frequency domain using DFT.

I want to Score Maximum: (As above and plus)


Chapter: Fast Fourier Transforms (FFT)

(Note: High scoring chapter. A must for all students who want to pass DSP)

Topics to be prepared

I want to Just Pass: 

  • Radix-2 Decimation In Time (DIT) FFT for N = 4, 6, 8 with Flow Graph (or Butterfly diagram).
  • Inverse FFT
  • Problems based on
    1. Computation of DFT and IDFT by FFT
    2. Circular Convolution using DFT/ IDFT by FFT
    3. Comparing Computational Complexity between DFT and FFT

 

I want to get good Marks: (As above and plus)

  • DIT-FFT and DIF-FFT algorithms and derivation for N = 4, 8

I want to Score Maximum: (As above and plus)

  • Composite FFT algorithms and derivation for N = 6 (3 ´ 2 or 2 ´ 3) for both DIF & DIT.
  • Composite FFT algorithms and derivation for N = 9 (3 ´ 3)

 


 

Chapter: DSP Algorithms

Topics to be prepared

 I want to Just Pass:

Theory:

  • Carls’ Correlation Coefficient Algorithm.
  • Fast Circular Convolution Algorithm.
  • Fast Linear Convolution Algorithm.
  • Linear FIR filtering using Fast Overlap Add Algorithm and Fast Overlap Save Algorithm

 

I want to get good Marks: (As above and plus)


 

Chapter: Introduction to DSP Processors and Application

 

Topics to be prepared

 I want to Just Pass: Theory:

-x-

I want to get good Marks: (As above and plus)

  • Difference between DSP Processor & Microprocessor.
  • Need for Special architecture of DSP processor.
  • A general DSP processor TMS320C54XX
  • Real Time DSP applications to Speech Signal Processing.
  • DSP applications to Biomedical Signal Processing

 

 

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