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Alan Victor Oppenheim [2] (born 1937) is a professor of engineering at MIT's Department of Electrical Engineering and Computer Science. He is also a principal investigator in MIT's Research Laboratory of Electronics (RLE), at the Digital Signal Processing Group. His research interests are in the general area of signal processing and its ...
Ronald W. Schafer (born February 17, 1938) is an American electrical engineer notable for his contributions to digital signal processing.. After receiving his Ph.D. degree at Massachusetts Institute of Technology in 1968, he joined the Acoustics Research Department at Bell Laboratories, where he did research on digital signal processing and digital speech coding.
Bose was the doctoral advisor to MIT professor Alan V. Oppenheim, [18] who is well known for his work on digital signal processing and his books on signals and systems. [19] Oppenheim dedicated one of his books to Bose and described him with these words: "What I learned from him about teaching, research, and life over the many decades of our ...
According to Alan V. Oppenheim and Ronald W. Schafer, the principles of signal processing can be found in the classical numerical analysis techniques of the 17th century. . They further state that the digital refinement of these techniques can be found in the digital control systems of the 1940s and 1
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 a sequence of numbers that represent samples of a continuous variable in a domain such as time, space ...
In digital signal processing, downsampling, compression, and decimation are terms associated with the process of resampling in a multi-rate digital signal processing system. Both downsampling and decimation can be synonymous with compression , or they can describe an entire process of bandwidth reduction ( filtering ) and sample-rate reduction.
In signal processing, a shift invariant system is the discrete equivalent of a time-invariant system, ... Oppenheim, Schafer, Digital Signal Processing, ...
The following is a pseudocode of the algorithm: (Overlap-add algorithm for linear convolution) h = FIR_filter M = length(h) Nx = length(x) N = 8 × 2^ceiling( log2(M) ) (8 times the smallest power of two bigger than filter length M.