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  2. Digital signal processing - Wikipedia

    en.wikipedia.org/wiki/Digital_signal_processing

    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 a sequence of numbers that represent samples of a continuous variable in a ...

  3. Alan V. Oppenheim - Wikipedia

    en.wikipedia.org/wiki/Alan_V._Oppenheim

    Avideh Zakhor. 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 ...

  4. Signal processing - Wikipedia

    en.wikipedia.org/wiki/Signal_processing

    Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements. [1] Signal processing techniques are used to optimize transmissions, digital storage efficiency, correcting distorted ...

  5. Digital signal processor - Wikipedia

    en.wikipedia.org/wiki/Digital_signal_processor

    Overview. Digital signal processing (DSP) algorithms typically require a large number of mathematical operations to be performed quickly and repeatedly on a series of data samples. Signals (perhaps from audio or video sensors) are constantly converted from analog to digital, manipulated digitally, and then converted back to analog form.

  6. Goertzel algorithm - Wikipedia

    en.wikipedia.org/wiki/Goertzel_algorithm

    The Goertzel algorithm is a technique in digital signal processing (DSP) for efficient evaluation of the individual terms of the discrete Fourier transform (DFT). It is useful in certain practical applications, such as recognition of dual-tone multi-frequency signaling (DTMF) tones produced by the push buttons of the keypad of a traditional analog telephone.

  7. Fredric J. Harris - Wikipedia

    en.wikipedia.org/wiki/Fredric_J._Harris

    Fredric Joel Harris (or, as he prefers to spell his name, [1] fred harris) (born April 6, 1940) is an adjunct professor at University of California San Diego. He was a professor of Electrical engineering and was CUBIC signal processing chair at San Diego State University. He is an internationally renowned expert on DSP and Communication Systems ...

  8. Financial signal processing - Wikipedia

    en.wikipedia.org/wiki/Financial_signal_processing

    Financial signal processing. Financial signal processing is a branch of signal processing technologies which applies to signals within financial markets. They are often used by quantitative analysts to make best estimation of the movement of financial markets, such as stock prices, options prices, or other types of derivatives.

  9. Direct digital synthesis - Wikipedia

    en.wikipedia.org/wiki/Direct_digital_synthesis

    Direct digital synthesis (DDS) is a method employed by frequency synthesizers used for creating arbitrary waveforms from a single, fixed-frequency reference clock. DDS is used in applications such as signal generation, local oscillators in communication systems, function generators, mixers, modulators, [1] sound synthesizers and as part of a ...

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