Analog signal A continuous-time signal that conveys information by varying a physical quantity; used in audio, video, sensors and control systems and contrasted with digital signals.
Bandwidth (signal processing) What bandwidth means in signal processing: definitions, measures, historical context, practical uses, and distinctions between spectral bandwidth and data throughput.
Heaviside function (unit step function) Heaviside Function A discontinuous function that is zero for negative arguments and one for positive, used in signal processing, control theory and distribution theory; its derivative is the Dirac de…
