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  1. 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.

    • Signal

      In electronics and telecommunications, signal refers to any...

  2. 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 ...

  3. en.wikipedia.org › wiki › SignalSignal - Wikipedia

    In electronics and telecommunications, signal refers to any time-varying voltage, current, or electromagnetic wave that carries information. In signal processing, signals are analog and digital representations of analog physical quantities.

  4. In signal processing, a filter is a device or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing , the defining feature of filters being the complete or partial suppression of some aspect of the signal.

  5. Signal processing is involved in picking up sounds in the environment, and processing them to enhance and amplify what the wearer hears. Without delay, sounds are converted from analog to digital and back to analog before sound is projected into the ear.

  6. Signal processing is the analysis, interpretation and manipulation of signals. Signals of interest include sound, images, biological signals such as ECG, radar signals, and many others. Processing of such signals includes storage and reconstruction, separation of information from noise (e.g., aircraft identification by radar), compression (e.g ...

  7. 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.

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