Bernard Widrow (born December 24, 1929) is a U.S. professor of

electrical engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...

. He is the co-inventor of the Widrow–Hoff

least mean squares filter Least mean squares (LMS) algorithms are a class of adaptive filter used to mimic a desired filter by finding the filter coefficients that relate to producing the least mean square of the error signal (difference between the desired and the actual ...

(LMS) adaptive algorithm with his then doctoral student

Ted Hoff Marcian Edward "Ted" Hoff Jr. (born October 28, 1937 in Rochester, New York) is one of the inventors of the microprocessor. Education and work history Hoff received a bachelor's degree in electrical engineering from the Rensselaer Polytechnic Inst ...

. The LMS algorithm led to the

ADALINE ADALINE (Adaptive Linear Neuron or later Adaptive Linear Element) is an early single-layer artificial neural network and the name of the physical device that implemented this network. The network uses memistors. It was developed by Professor Bern ...

and MADALINE

artificial neural networks Artificial neural networks (ANNs), usually simply called neural networks (NNs) or neural nets, are computing systems inspired by the biological neural networks that constitute animal brains. An ANN is based on a collection of connected unit ...

and to the

backpropagation In machine learning, backpropagation (backprop, BP) is a widely used algorithm for training feedforward neural network, feedforward artificial neural networks. Generalizations of backpropagation exist for other artificial neural networks (ANN ...

technique. He made other fundamental contributions to the development 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 ...

in the fields of geophysics, adaptive antennas, and adaptive filtering.

Publications

*1965 "A critical comparison of two kinds of adaptive classification networks", K. Steinbuch and B. Widrow, ''IEEE Transactions on Electronic Computers'', pp. 737–740. *1985 B. Widrow and S. D. Stearns. ''Adaptive Signal Processing.'' New Jersey: Prentice-Hall, Inc., 1985. *1994 B. Widrow and E. Walach. ''Adaptive Inverse Control.'' New Jersey: Prentice-Hall, Inc., 1994. *2008 B. Widrow and I. Kollar. ''Quantization Noise: Roundoff Error in Digital Computation, Signal Processing, Control, and Communications.'' Cambridge University Press, 2008.

Honors

* Elected Fellow

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 ...

, 1976 * Elected Fellow AAAS, 1980 *

IEEE Centennial Medal The IEEE Centennial Medal was a medal minted and awarded in 1984 ''to persons deserving of special recognition for extraordinary achievement'' to celebrate the Centennial of the founding of the Institute of Electrical and Electronics Engineers (I ...

, 1984 *

IEEE Alexander Graham Bell Medal The IEEE Alexander Graham Bell Medal is an award honoring ''"exceptional contributions to communications and networking sciences and engineering"'' in the field of telecommunications. The medal is one of the highest honors awarded by the Instit ...

, 1986 * IEEE Neural Networks Pioneer Medal, 1991 * Inducted into the

National Academy of Engineering The National Academy of Engineering (NAE) is an American nonprofit, non-governmental organization. The National Academy of Engineering is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy ...

, 1995 * IEEE Signal Processing Society Award, 1999 * IEEE Millennium Medal, 2000 * Benjamin Franklin Medal, 2001 * International Neural Network Society (INNIS) Board member 2004 He was one of the Board of Governors of the International Neural Network Society (INNIS) in 2003.

References

1929 births Artificial intelligence researchers IEEE Centennial Medal laureates Living people Members of the United States National Academy of Engineering Place of birth missing (living people) Stanford University faculty {{US-electrical-engineer-stub