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September 21, 2017
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| Preferred Name | Signal processing | |
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http://localhost/plosthes.2017-1#9324 |
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Signal processing
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(communications) The extraction of information from complex signals in the presence of noise, generally by conversion of the signals into digital form followed by analysis using various algorithms. Also known as digital signal processing (DSP). an area of electrical engineering, systems engineering and applied mathematics that deals with operations on or analysis of signals, in either discrete or continuous time to perform useful operations on those signals. Signals of interest can include sound, images, time-varying measurement values and sensor data, for example biological data such as electrocardiograms, control system signals, telecommunication transmission signals such as radio signals, and many others. Signals are analog or digital electrical representations of time-varying or spatial-varying physical quantities. In the context of signal processing, arbitrary binary data streams and on-off signals are not considered as signals, but only analog and digital signals that are representations of analog physical quantities. Information theory places constraints on what it is possible to do with signals.
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http://localhost/plosthes.2017-1#1081 http://localhost/plosthes.2017-1#4950 http://localhost/plosthes.2017-1#2448 http://localhost/plosthes.2017-1#2297 http://localhost/plosthes.2017-1#7232 http://localhost/plosthes.2017-1#1332 http://localhost/plosthes.2017-1#10428 http://localhost/plosthes.2017-1#4880 http://localhost/plosthes.2017-1#8925 http://localhost/plosthes.2017-1#9370 http://localhost/plosthes.2017-1#4653 http://localhost/plosthes.2017-1#3336 http://localhost/plosthes.2017-1#9072 http://localhost/plosthes.2017-1#2944 http://localhost/plosthes.2017-1#7633 http://localhost/plosthes.2017-1#9768 http://localhost/plosthes.2017-1#5190 |
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Signal processing
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50.370^Signal processing
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http://localhost/plosthes.2017-1#3462 http://localhost/plosthes.2017-1#773 |
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| scopeNote |
Signal processing is an enabling technology that encompasses the fundamental theory, applications, algorithms, and implementations of processing or transferring information contained in many different physical, symbolic, or abstract formats broadly designated as signals. It uses mathematical, statistical, computational, heuristic, and linguistic representations, formalisms, and techniques for representation, modelling, analysis, synthesis, discovery, recovery, sensing, acquisition, extraction, learning, security, or forensics. https://en.wikipedia.org/wiki/Signal_processing RD
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Accepted
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