Semester 6 ETRX DTSP weightage
Semester 6 ETRX DTSP weightage

Chapter: DT Fourier series (DTFS)

(Note: A Chapter with low Weightage)

Topics to be prepared

I want to Just Pass:

 

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

  • Definition and properties of DTFS.
  • Finding DTFS coefficients
  • Representation of Periodic Sequences by DTFS
  • Magnitude & Phase Spectrum

I want to Score Maximum: (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 DSPP)

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. Relation between Z-transform, DTFS & DTFT

 

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

 

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 DSPP)

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)

  • 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: IIR Digital Filters

(Note: A Major Chapter with high Weightage)

Topics to be prepared

I want to Just Pass:

  • Mapping of S-plane to Z-plane
  • 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)

  • Design of FIR digital filters using window techniques (Kaiser Window)

Chapter: Finite Word Length Effects in Digital Filters

(Note: A chapter from which mostly theory questions are asked)

Topics to be prepared

I want to Just Pass:

  • Number representation: Fixed Point, Sign-Magnitude, One’s Complement, Two’s Complement, Floating Point Numbers.
  • Quantization by truncation / rounding.
  • Effects due to truncation and rounding.
  • Input Quantization Error.
  • Product Quantization Error.
  • Co-efficient Quantization Error.
  • Limit Cycle Oscillations – Zero Input, Overflow Limit Cycle, Scaling, Dead Band.

 

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

  • Quantization Effects in the computation of the DFT.
  • Problems based on
    1. Quantization Error
    2. Limit Cycle Oscillations

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

  • Quantization in Floating Point realization IIR digital filters.
  • Finite Word Length Effects in FIR digital filters.
  • Quantization Errors in FFT Algorithms.

Chapter: Introduction to DSP Processors

(Note: Only Theory is asked from this chapter)

Topics to be prepared

I want to Just Pass:

  • Difference between DSP Processor & Microprocessor.
  • Need for DSP Processor.
  • Von-Neumann Architecture, Harvard Architecture and modified Harvard architecture.
  • VLIW architecture and Pipelining.
  • Special Addressing Modes

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

  • Fixed Point and Floating-Point DSP processor.
  • Multiple Access Memory.
  • Multiport Memory.
  • On-Chip Peripherals.
  • Multiplier and Multiplier Accumulator (MAC)

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

  • Modified Bus Structures and Memory Access Schemes in DSPs

 

Chapter: Features of TMS 320c67xx DSP processor

(Note: Only Theory is asked from this chapter)

Topics to be prepared

I want to Just Pass:

  • Architecture of TMS 320c67xx DSP processor.
  • Computational Units.
  • Data Addressing Modes.
  • Salient Features of TMS 320c67xx DSP processor

 

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

  • Bus Architecture Memory
  • Address Generation Unit
  • Program Sequencer
  • Features of External Interfacing
  • On-Chip Peripherals

 

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

  • Interrupts
  • Hardware Timers
  • Host Interface Port
  • Clock Generators
  • Program Control

Chapter: Applications of DSP Processors

(Note: Only Theory is asked from this chapter)

Topics to be prepared

I want to Just Pass:

  • Speech Processing: Speech Analysis and Speech Coding, Speech recognition
  • Sub Band Coding
  • Digital Processing of Audio Signals.
  • Radar Signal Processing: Signal Design

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

  • Radar Principles
  • Radar System and Parameter Considerations
  • Channel Vocoder
  • Homomorphic Vocoder

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

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