Analog signal

An analog or analogue is any time continuous signal where some time varying feature of the signal is a representation of some other time varying quantity. It differs from a digital signal in that small fluctuations in the signal are meaningful. Analog is usually thought of in an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also convey analog signals.
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analogical signals, electrical signals representing a continuous natural process

1. A signal that has a continuous nature rather than a pulsed or discrete nature. Note: Electrical or physical analogies, such as continuously varying voltages, frequencies, or phases, may be used as analog signals. (188 ) 2. A nominally continuous electrical signal that varies in some direct correlation with another signal impressed on a transducer. (188 ) Note: For example, an analog signal may vary in frequency, phase, or amplitude in response to changes in physical phenomena, such as sound, light, heat, position, or pressure.

analog signal
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B: (Fisika) isyarat analog
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