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・ Signal Over the City
・ Signal overspill
・ Signal passed at danger
・ Signal patch
・ Signal Peak (Humboldt County, California)
・ Signal Peak (Orange County, California)
・ Signal Peak (Utah)
・ Signal peptidase
・ Signal peptidase I
・ Signal peptidase II
・ Signal peptide
・ Signal peptide peptidase
・ Signal Pistol 50
・ Signal Pistol m/18-65
・ Signal Port, California
Signal processing
・ Signal programming
・ Signal railway station
・ Signal recognition particle
・ Signal recognition particle receptor
・ Signal recognition particle RNA
・ Signal reconstruction
・ Signal reflection
・ Signal regeneration
・ Signal Regiment (Denmark)
・ Signal sequence
・ Signal square
・ Signal station
・ Signal Station Road
・ Signal Station, Moreton Island


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Signal processing : ウィキペディア英語版
Signal processing

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.
==History==
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. Oppenheim and Schafer further state that the "digitalization" or digital refinement of these techniques can be found in the digital control systems of the 1940s and 1950s.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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