code system — кодовая система
automated system control — асу
ethical system — система этики
system hole — ошибка в системе
bad system — система с ошибками
English-Russian dictionary of Information technology. 2005.
frequency modulation — n. 1. the variation of the frequency of a carrier wave in accordance with the signal being broadcast 2. a broadcasting system that uses this: Abbrev. FM: Cf. AMPLITUDE MODULATION … English World dictionary
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia
frequency modulation — /ˈfrikwənsi mɒdʒəˌleɪʃən/ (say freekwuhnsee mojuh.layshuhn) noun a broadcasting system, relatively free from static, in which the frequency of the transmitted wave is modulated or varied in accordance with the amplitude and pitch of the signal… …
Modified Frequency Modulation — This article is about Modified Frequency Modulation. For other uses of MFM, see the MFM (disambiguation). Modified Frequency Modulation, commonly MFM, is a line coding scheme used to encode the actual data bits on most floppy disk formats,… … Wikipedia
Frequency shift — In the physical sciences and in telecommunication, the term frequency shift has the following meanings: * Any change in frequency * A Doppler shift * Any change in the frequency of a radio transmitter or oscillator. (Note: In the radio regime,… … Wikipedia
Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… … Wikipedia
frequency — 1640s, fact of occurring often, from L. frequentia a crowding, crowd, from frequentem (see FREQUENT (Cf. frequent)). Earlier it had been used in a now obsolete sense of state of being crowded (mid 16c.); sense in physics, rate of recurrence,… … Etymology dictionary
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
Frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… … Wikipedia
Frequency synthesizer — A frequency synthesizer is an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator. They are found in many modern devices, including radio receivers, mobile telephones, radiotelephones, walkie… … Wikipedia
