Course Code and Title
Sensor Arrays and Imaging (EE5527)
Programme
M. Tech
Course Credit
3-0-0-3 (Lecture-Tutorial-Practical-Total Credits)
Course Category
PME
Prerequisite
Digital Signal Processing, Linear Algebra
Consent of Teacher
Required
Course Content
| S/N | Topic | Lecture Hours |
|---|---|---|
| 1 | Introduction to pressure waves: physics and propagation, wave equation, standing waves, Fourier series, traveling wave solution, sound wave as longitudinal waves, acoustic wave propagation, and wave scattering concepts. | 6 |
| 2 | Introduction to sensor arrays and apertures, transducer basics, significance of arrays, resolution, spatial sampling, sidelobes, grating lobes, space-time signals, near-field, and wide-band aspects. | 6 |
| 3 | Array Beamforming - Time-Domain: Delay-and-Sum, Interpolation; Frequency Domain: Phase Steer, Maximizing Array Gain; Advanced Beamforming: Non-linear beamforming, data adaptive beamforming algorithms. | 12 |
| 4 | Array Imaging - Reconstruction from Projections, Synthetic Aperture (Ultrasound and Sonar), Wideband Beamforming: Space-Time Adaptive Processing (STAP). | 8 |
| 5 | Applications - Examples from microphone arrays, ultrasound, sonar, tomography among others. | 10 |
Total: 42 hours
Learning Outcomes
- Understand the merits of employing sensor arrays for imaging applications.
- Explain how images are formed from sensor arrays.
- Become familiar with applications of array signal processing and imaging.
Teaching Methodology
Classroom lectures and simulation studies
Assessment Methods
Written examination, Project
Text Books
- Array Signal Processing: Concepts and Techniques by Johnson & Dugeon, Prentice Hall, 1993. ISBN 9780130485137
- Diagnostic Ultrasound Imaging: Inside Out by Thomas L. Szabo, Academic Press, 2014. ISBN 978-0-12-396487-8
References
- Optimum Array Processing by H.L. Van Trees, Part IV of Detection, Estimation, and Modulation Theory, John Wiley and Sons, New York, 2002. ISBN 9780471093909
- The Essential Guide to Image Processing by Alan C. Bovik, Academic Press, 2009. ISBN 978-0123744579