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  2. Analogical models - Wikipedia

    en.wikipedia.org/wiki/Analogical_models

    Functional analogs (or functional analogues) are entities (models, representations, etc.) that can be replaced, to fulfill the same function. When the entities in question are formally represented by black boxes , the concept of analog is related to "same behavior": they take the same output sequence when submitted to the same input sequence.

  3. Analog signal - Wikipedia

    en.wikipedia.org/wiki/Analog_signal

    An analog signal (American English) or analogue signal (British and Commonwealth English) is any continuous-time signal representing some other quantity, i.e., analogous to another quantity. For example, in an analog audio signal , the instantaneous signal voltage varies continuously with the pressure of the sound waves .

  4. Analogy - Wikipedia

    en.wikipedia.org/wiki/Analogy

    Analogy is a comparison or correspondence between two things (or two groups of things) because of a third element that they are considered to share. [1]In logic, it is an inference or an argument from one particular to another particular, as opposed to deduction, induction, and abduction.

  5. Analogue electronics - Wikipedia

    en.wikipedia.org/wiki/Analogue_electronics

    Analogue electronics (American English: analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term analogue describes the proportional relationship between a signal and a voltage or current that represents the signal.

  6. Discrete time and continuous time - Wikipedia

    en.wikipedia.org/wiki/Discrete_time_and...

    Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable. Thus a non-time variable jumps from one value to another as time moves from one time period to the next.

  7. Analog computer - Wikipedia

    en.wikipedia.org/wiki/Analog_computer

    Analog circuit for the dynamics of a spring-mass system (without scaling factors) Damped motion of a spring-mass system. The precision of the analog computer readout was limited chiefly by the precision of the readout equipment used, generally three or four significant figures. (Modern digital simulations are much better in this area.

  8. Analog - Wikipedia

    en.wikipedia.org/wiki/Analog

    Analog electronics, circuits which use analog signals Analog computer, a computer that uses analog signals; Analog recording, information recorded using an analog signal; Functional analog (electronic), a system that fulfills the same function as another; Structural analog (electronic), a system that has the same structure as another

  9. Linear timecode - Wikipedia

    en.wikipedia.org/wiki/Linear_timecode

    This converts 30 frame/second time code to the 29.97 frame/second NTSC standard. Bit 11, the color framing bit, is set to 1 if the time code is synchronized to a color video signal. The frame number modulo 2 (for NTSC and SECAM ) or modulo 4 (for PAL ) should be preserved across cuts in order to avoid phase jumps in the chrominance subcarrier .