Palghat P. Vaidyanathan (born in

Kolkata Kolkata (, or , ; also known as Calcutta , the official name until 2001) is the capital of the Indian state of West Bengal, on the eastern bank of the Hooghly River west of the border with Bangladesh. It is the primary business, comme ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

on 16 October 1954) is the Kiyo and Eiko Tomiyasu Professor of Electrical Engineering at the

California Institute of Technology The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...

Pasadena, California Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. I ...

, USA, where he teaches and leads research in the area of

signal processing Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing ''signals'', such as audio signal processing, sound, image processing, images, and scientific measurements. Signal processing techniq ...

, especially

digital signal processing Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are ...

(DSP), and its applications. He has authored four books, and authored or coauthored close to six hundred papers in various

IEEE The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...

journals and conferences. Prof. Vaidyanathan received his B.Tech. and M.Tech. degrees from the Institute of Radiophysics and Electronics, Science College campus of

University of Kolkata The University of Calcutta (informally known as Calcutta University; CU) is a public collegiate state university in India, located in Kolkata, West Bengal, India. Considered one of best state research university all over India every year, C ...

, and a Ph.D. degree in Electrical Engineering from

University of California Santa Barbara The University of California, Santa Barbara (UC Santa Barbara or UCSB) is a public land-grant research university in Santa Barbara, California with 23,196 undergraduates and 2,983 graduate students enrolled in 2021–2022. It is part of the Un ...

in 1982. Prof. Vaidyanathan's pioneering contributions include the development of the theory and structures for filter banks, especially perfect reconstruction and orthonormal filter banks, which find applications in data compression standards such as

JPEG JPEG ( ) is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and imag ...

and

MPEG The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by International Organization for Standardization, ISO and International Electrotechnical Commission, IEC that sets standards for media coding, includ ...

, and in

digital communications Data transmission and data reception or, more broadly, data communication or digital communications is the transfer and reception of data in the form of a digital bitstream or a digitized analog signal transmitted over a point-to-point or ...

. One of his early contributions is the development of the theory of robust

digital filter In signal processing, a digital filter is a system that performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain aspects of that signal. This is in contrast to the other major type of electronic filter, t ...

structures directly in discrete time without recourse to classical circuit theoretical models. He has also contributed widely in other areas of signal processing including

image processing An image is a visual representation of something. It can be two-dimensional, three-dimensional, or somehow otherwise feed into the visual system to convey information. An image can be an artifact, such as a photograph or other two-dimensiona ...

, genomic signal processing, sampling theory, optimal transceivers, radar signal processing, and

sensor array A sensor array is a group of sensors, usually deployed in a certain geometry pattern, used for collecting and processing electromagnetic or acoustic signals. The advantage of using a sensor array over using a single sensor lies in the fact that an ...

processing. He has also explored the role of

number theory Number theory (or arithmetic or higher arithmetic in older usage) is a branch of pure mathematics devoted primarily to the study of the integers and arithmetic function, integer-valued functions. German mathematician Carl Friedrich Gauss (1777� ...

in signal processing applications.

Awards and honors

* IEEE Jack S. Kilby Signal Processing Medal, 2024 * Fellow of the Indian National Academy of Engineering, 2021 * EURASIP Athanasios Papoulis Award, 2021 * Member of the U.S. National Academy of Engineering. * IEEE Signal Processing Society Award, 2016. * Northrop Grumman prize for Excellence in Teaching at

, 2016. *

IEEE Gustav Robert Kirchhoff Award The IEEE Gustav Robert Kirchhoff Award is a Technical Field Award established by the IEEE Board of Directors in 2003. This award is presented for outstanding contributions to the fundamentals of any aspect of electronic circuits and systems th ...

, 2016. * Education Award of the IEEE Signal Processing Society, 2011. * Eliahu Jury Seminar Award, University of Miami, 2007. * Technical Achievement Award of the IEEE Signal Processing Society, 2001. * Golden jubilee medal, IEEE Circuits and Systems Society, 2000. * Distinguished lecturer, IEEE Signal Processing Society, 1996–97. * Awards for excellence in teaching,

(multiple times). * Best paper awards from IEEE Signal Processing Society (multiple times). * F. E. Terman Award of the ASEE, sponsored by the Hewlett-Packard company, 1995. * Fellow of the IEEE, 1991. * Presidential Young Investigator Award,

National Science Foundation The National Science Foundation (NSF) is an independent agency of the United States government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National I ...

, 1986.

Books

# P. P. Vaidyanathan, Multirate systems and filter banks, Prentice Hall, Englewood Cliffs, 1993. # P. P. Vaidyanathan, The Theory of Linear Prediction, Morgan & Claypool Publishers, 2008. # P. P. Vaidyanathan, S.-M Phoong, and Y.-P Lin, Signal Processing and Optimization for Transceiver Systems, Cambridge University Press, 2010. # Y.-P Lin, S.-M. Phoong, and P. P. Vaidyanathan, Filter bank transceivers for OFDM and DMT systems, Cambridge University Press, 2010.

References

External links

P. P. Vaidyanathan's homepage

Google scholar page
* * * * {{DEFAULTSORT:Vaidyanathan, P. P. Scientists from Kolkata Indian electrical engineers California Institute of Technology faculty University of California, Santa Barbara alumni Living people 1954 births Engineers from West Bengal 20th-century Indian engineers Fellows of the IEEE