Course objectives:
1. Preparation:
To prepare students with fundamental knowledge/ overview in the field of signals and processing.
2. Core Competence:
To equip students with a basic foundation in electronic engineering and mathematics fundamentals required for comprehending the operation and application of signal processing.
3. Professionalism & Learning Environment:
To inculcate in students an ethical and professional attitude by providing an academic environment inclusive of effective communication, teamwork, ability to relate engineering issues to a broader social context, and life-long learning needed for a successful professional career.
Experiments
1 Verify the Sampling theorem.
2 Determine linear convolution, Circular convolution and Correlation of two given sequences. Verify the result using theoretical computations.
3 Determine the linear convolution of two given point sequences using FFT algorithm. Verify the result using theoretical computations.
4 Determine the correlation using FFT algorithm. Verify the result using theoretical computations.
5 Determine the spectrum of the given sequence using FFT. Verify the result using theoretical computations.
6 Design and test FIR filter using Windowing method (Hamming, Hanning and Rectangular window) for the given order and cut-off frequency.
7 Design and test IIR Butterworth 1st and 2nd order low & high pass filter.
8 Design and test IIR Chebyshev 1st and 2nd order low & high pass filter.
9 Generation of an AM – Suppressed Carrier Wave & visualization of the time domain and frequency domain plots.
10 Generation and visualization of standard test signals (both continuous and discrete time).
11 Generation and visualization of audio signal (pre-recorded) and generation of echo.
12 Generation and visualization of the STFT of a chirp (and other related) signal.
Course outcomes (Course Skill Set):
At the end of the course the student will be able to:
- Demonstrate the DSP concepts on signal generation and sampling using Scilab/Octave
- Design and verify the computation of discrete signals using Scilab/Octave.
- Demonstrate and verify the application of FFT/DFT algorithm for a given signal using Scilab/Octave.
- Design and demonstrate programs to evaluate different types of low and high pass FIR filters using Scilab/Octave.
- Design, demonstrate and visualize different real world signals using Scilab/Octave programs.
Assessment Details (both CIE and SEE)
- The weightage of Continuous Internal Evaluation (CIE) is 50% and for Semester End Exam (SEE) is 50%.
- The minimum passing mark for the CIE is 40% of the maximum marks (20 marks).
- A student shall be deemed to have satisfied the academic requirements and earned the credits allotted to each course.
- The student has to secure not less than 35% (18 Marks out of 50) in the semester-end examination (SEE).
Continuous Internal Evaluation (CIE):
CIE marks for the practical course is 50 Marks.
The split-up of CIE marks for record/ journal and test are in the ratio 60:40.
- Each experiment to be evaluated for conduction with observation sheet and record write-up.
- Rubrics for the evaluation of the journal/write-up for hardware/software experiments designed by the faculty who is handling the laboratory session and is made known to students at the beginning of the practical session.
- Record should contain all the specified experiments in the syllabus and each experiment write-up will be evaluated for 10 marks.
- Total marks scored by the students are scaled downed to 30 marks (60% of maximum marks).
- Weightage to be given for neatness and submission of record/write-up on time.
- Department shall conduct 02 tests for 100 marks, the first test shall be conducted after the 8th week of the semester and the second test shall be conducted after the 14th week of the semester.
- In each test, test write-up, conduction of experiment, acceptable result, and procedural knowledge will carry a weightage of 60% and the rest 40% for viva-voce.
- The suitable rubrics can be designed to evaluate each student’s performance and learning ability. Rubrics suggested in Annexure-II of Regulation book
- The average of 02 tests is scaled down to 20 marks (40% of the maximum marks).
The Sum of scaled-down marks scored in the report write-up/journal and average marks of two tests is the total CIE marks scored by the student.
Semester End Evaluation (SEE):
SEE marks for the practical course is 50 Marks. SEE shall be conducted jointly by the two examiners of the same institute, examiners are appointed by the University
- All laboratory experiments are to be included for practical examination.
- (Rubrics) Breakup of marks and the instructions printed on the cover page of the answer script to be strictly adhered to by the examiners. OR based on the course requirement evaluation rubrics shall be decided jointly by examiners.
- Students can pick one question (experiment) from the questions lot prepared by the internal /external examiners jointly.
- Evaluation of test write-up/ conduction procedure and result/viva will be conducted jointly by examiners.
- General rubrics suggested for SEE are mentioned here, writeup-20%, Conduction procedure and result in -60%, Viva-voce 20% of maximum marks. SEE for practical shall be evaluated for 100 marks and scored marks shall be scaled down to 50 marks (however, based on course type, rubrics shall be decided by the examiners)
- Change of experiment is allowed only once and 15% Marks allotted to the procedure part to be made zero.
- The duration of SEE is 03 hours Rubrics suggested in Annexure-II of Regulation book
Suggested Learning Resources:
Digital Signal Processing Using MATLAB, John G Proakis and Vinay K Ingle, Cengage Learning, 2011