Signal theory: Facts, Discussion Forum, and Encyclopedia Article

Signal theory

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	Signal theory
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	Topics Signal theory Topic Home Signal theory is the theory of the engineeringEngineering Engineering is the application of scientific and mathematical principles to develop economical solutions to technical proble... discipline of signal processingSignal processing Signal processing is the processing, amplification and interpretation of signals and deals with the analysis and manipulatio... . It provides mathematical approaches for use in a wide range of applications. Fields as far apart as statistical physicsStatistical physics Statistical physics is one of the fundamental theories of physics, and uses methods of statistics in solving physical probl... and op-amp electronicsElectronics The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons in device... share some of this material. High-level aspects include: AmplitudeAmplitude Amplitude is a nonnegative scalar measure of a wave's magnitude of oscillation, that is, magnitude of the maximum disturbanc... phasePhase (waves) Phase is an overloaded word used for:'... resonanceResonance In physics, resonance is the tendency of a system to oscillate with high amplitude when excited by energy at a certain frequ... Q (Q for "quality", means the strength of a resonance) time constantTime constant Summary In physics and engineering, the time constant usually denoted by the Greek letter ,, characterizes the frequency response of... (of a filterElectronic filter Electronic filters are electronic circuits which perform signal processing functions, specifically intended to remove unwant... ) great-signal and small-signal bandwidth maximum output swing noise floorNoise floor In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted si...