What to Study?
What to Study?
Semester 6 Instrumentation DSP weightage
Semester 6 Instrumentation DSP weightage

Chapter: Brief Review

(Note: A Chapter with low Weightage)

Topics to be prepared

I want to Just Pass:

  • Discrete Time Signals and Systems.
  • Z-Transform – Theorems, Properties etc.
  • Block diagram of DSP; Advantages of DSP
  • Classification of Digital Filter (IIR and FIR).

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

  • Fourier Series & Transform – Theorems, Properties.
  • Difference Equations.
  • Sampling Theorem

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

 


Chapter: Analysis of Digital Filter (Frequency Response)

(Note: A Chapter with low Weightage)

Topics to be prepared

I want to Just Pass:

  • Classification of filter on their pole zero diagram – Low Pass, High Pass, Band Pass, Band Stop, All-Pass Filters.
  • Minimum-Phase, Maximum-Phase, Mixed-Phase systems.

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

  • Relation between System Function & Frequency Response Function.
  • Computation of the Frequency Response Function.

I want to Score Maximum: (As above and plus0

 


 

Chapter: Discrete Fourier Transforms (DFT)

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

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. Evaluating DFT using Properties of DFT
    4. Overlap Add and Overlap Save Methods.
  • Relation between Z-transform, DTFS & DTFT

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

  • Introduction to DTFT.
  • Fourier representation of finite duration sequences

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 DTSP)

Topics to be prepared

I want to Just Pass:

  • Radix-2 Decimation In Time (DIT) & Decimation In Frequency (DIF) 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)

  • Twiddle Factor and its Properties
  • DIT-FFT and DIF-FFT algorithms and derivation for N = 4, 8

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

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

 

Chapter: IIR Digital Filters

(Note: A Major Chapter with high Weightage)

Topics to be prepared

I want to Just Pass:

  • Impulse Invariance Method and Aliasing
  • Bilinear Transformation (BLT) Method and Frequency Warping and Pre-Warping.
  • Analog and Digital Frequency Transformations
  • Analog filter approximations: Butterworth Filters
  • Design of IIR digital filters from Analog filters – Order of Filter, Cut-off Frequency, Un-normalized and Normalized Transfer Function

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

  • Analog filter approximations: Chebyshev Filters

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


Chapter: FIR Digital Filters

(Note: A Major Chapter with high Weightage)

Topics to be prepared

I want to Just Pass:

  • Linear Phase Filters – Phase and Group Delay.
  • Location of the zeros of linear phase FIR filters.
  • Characteristics of FIR digital filters.
  • Frequency Response.
  • Design of FIR digital filters using window techniques (Rectangular and Hamming), Frequency Sampling Technique.
  • Gibbs phenomenon.
  • Comparison of IIR and FIR filters

 

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

  • Design of FIR digital filters using window techniques (Triangular, Hanning and Blackman)

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

 


Chapter: Realization structures for IIR and FIR filters

Topics to be prepared

 I want to Just Pass:

  • Direct Form I Structure.
  • Direct Form II Structure.
  • Cascade Structure.
  • Parallel Structure.
  • Lattice-Ladder Structures

 

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

  • Frequency Sampling Technique
  • Realization of FIR filters.

 

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

 


Chapter: Multi rate Signal Processing

(Note: Only Theory is asked from this chapter)

Topics to be prepared

I want to Just Pass:

  • Multirate Signal Processing.
  • Sampling rate reduction – Decimation by a factor D.
  • Sampling rate increase – Interpolation by I.
  • Sampling Rate Conversion by a rational factor I/D.
  • Multistage implementation of sampling rate conversion.
  • Application of Multirate Signal Processing

 

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

 

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

 


 

Chapter: Digital Hardware and Applications

(Note: Only Theory is asked from this chapter)

Topics to be prepared

 I want to Just Pass:

  • Digital Signal Processor – Series Texas 320.
  • Digital touch tone receiver or Dual –Tone multi frequency signal detection.
  • Applications to Speech.
  • Applications to Radar.

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

  • Digital Signal Processor – Motorola 56000.

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

 

 

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