Discrete Time Signal Processing

By Prof. Mrityunjoy Chakraborty   |   IIT Kharagpur
Learners enrolled: 216
This course can in short be called ``DSP revisited”. It is seen that even though DSP is taught as part of UG curriculum in all engineering colleges, often the concepts are not taught very well, leading to huge gaps in understanding of the basics. The purpose of this course is to provide a guided tour of the key issues of DSP where every effort will be made to reinforce the basic concepts involved. Towards this, many new aspects and interpretations will be presented that are usually not covered in books.

INTENDED AUDIENCE  : Academic and Industrial Professionals, Core Course, UG & (PG students can take it as a refresher course), B.Tech/M.Tech

PREREQUISITES         : None (some background in signals and systems might help though)

INDUSTRY SUPPORT : Industries working in communications, speech and audio processing, instrumentation etc.
Course Status : Upcoming
Course Type : Core
Duration : 8 weeks
Start Date : 23 Jan 2023
End Date : 17 Mar 2023
Exam Date : 26 Mar 2023 IST
Enrollment Ends : 30 Jan 2023
Category :
  • Electrical, Electronics and Communications Engineering
  • Communication and Signal Processing
Credit Points : 2
Level : Undergraduate

Page Visits

Course layout

Week 1: Discrete Time Signals and Systems
Week 2: DTFT, Relation between DTFT and Analog Fourier Transform
Week 3: Rational Systems, Z-transform and Pole-Zero Models
Week 4: IIR Filter Design
Week 5: FIR Filter Design, Filter Structures
Week 6: Basics of Multirate Signal Processing
Week 7: Discrete Fourier Transform, Circular Convolution
Week 8: Fast Fourier Transform

Books and references

1. ``Digital Signal Processing” by A. Oppenheim and R. Schafer

2.  ``Discrete Time Signal Processing” by A. Oppenheim and R. Schafer

3.  ``Digital Signal Processing” by J. G. Proakis and D. G. Manolakis

4.  ``Digital Signal Processing” by S. K. Mitra

Instructor bio

Prof. Mrityunjoy Chakraborty

IIT Kharagpur
Prof. Mrityunjoy Chakraborty obtained Bachelor of Engg. from Jadavpur university, Calcutta, Master of Technology from IIT, Kanpur and Ph.D. from IIT, Delhi. He joined IIT, Kharagpur as a faculty member in 1994, where he currently holds the position of a professor in Electronics and Electrical Communication Engg. The teaching and research interests of Prof. Chakraborty are in Digital and Adaptive Signal Processing, VLSI Signal Processing, Linear Algebra and Compressive Sensing. In these areas, Prof. Chakraborty has supervised several graduate theses, carried out independent research and has several well cited publications. Prof. Chakraborty is currently a senior editorial board member of the IEEE Signal Processing Magazine and also of the IEEE journal of Emerging Techniques in Circuits and Systems. Earlier, he had been an Associate Editor of the IEEE Transactions on Circuits and Systems, part I (2004-2007, 2010-2012) and part II (2008-2009), apart from being an elected member (also currently the chair) of the DSP Technical Committee (TC) of the IEEE Circuits and Systems Society, a guest editor of the EURASIP JASP (special issue), track co-chair (DSP track) of ISCAS 2015 & 2016, Gabor track chair of DSP-15, and a TPC member of ISCAS (2011-2014), ICC (2007-2011) and Globecom (2008-2011). Prof. Chakraborty is a co-founder of the Asia Pacific Signal and Information Processing Association (APSIPA), is currently a member of the APSIPA BOG and also, served as the chair of the APSIPA TC on Signal and Information Processing Theory and Methods (SIPTM). He has also been the general chair and also the TPC chair of the National Conference on Communications – 2012. Prof. Chakraborty is a fellow of the National Academy of Science, India (NASI), and also of the Indian National Academy of Engineering (INAE). During 2012-2013, he was selected as a distinguished lecturer of the APSIPA.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 
26 March 2023 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.


Average assignment score = 25% of average of best 6 assignments out of the total 8 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Kharagpur .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team

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