heterodyning

См. также в других словарях:

• Heterodyning — In radio and signal processing, heterodyning is the generation of new frequencies by mixing, or multiplying, two oscillating waveforms. It is useful for modulation and demodulation of signals, or placing information of interest into a useful… …   Wikipedia

• heterodyning — heterodininis dažnio keitimas statusas T sritis radioelektronika atitikmenys: angl. heterodyne frequency conversion; heterodyning vok. Überlagern, n; Mischen, n rus. гетеродинирование, n; гетеродинное преобразование частоты, n pranc. hétérodynage …   Radioelektronikos terminų žodynas

• heterodyning — het·er·o·dyne || hetÉ™rəʊdaɪn adj. consisting of or produced by combined radio waves n. detection technique used widely in radio which involves combining the measured wave with a wave of different frequency to produce frequencies equal to… …   English contemporary dictionary

• optical heterodyning — optinis heterodininis dažnio keitimas statusas T sritis radioelektronika atitikmenys: angl. optical heterodyning vok. optische Überlagerung, f; optische Heterodynierung, f rus. оптическое гетеродинирование, n pranc. hétérodynage optique, m …   Radioelektronikos terminų žodynas

• Heterodyne — This article is about waveform manipulation. For the use of the term in poetry, see Heterodyne (poetry). For the webcomic characters, see Girl Genius. Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor… …   Wikipedia

• Edwin Howard Armstrong — Edwin H. Armstrong Developed and advanced the utility of FM technology. Born December 18, 1890(1890 12 18) New York, New York U.S …   Wikipedia

• Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

• Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …   Wikipedia

• Theremin — The theremin is one of the earliest electronic musical instruments, and the first musical instrument played without being touched (originally pronounced|ˈteremin but often anglicized as IPAEng|ˈθɛrəmɪn [ [http://www.thereminworld.com/faq.asp… …   Wikipedia

• Variable-frequency oscillator — A variable frequency oscillator (VFO) in electronics is a oscillator with an oscillation frequency that can be electronically changed (hence, variable).cite book |title=The ARRL Handbook for Radio Amateurs, Sixty Eighth Edition |editor=Larry D.… …   Wikipedia

• Electrical network — For electrical power transmission grids and distribution networks, see Grid (electricity). A simple electric circuit made up of a voltage source and a resistor. Here, V = iR, according to Ohm s Law. An electrical network is an interconnection of… …   Wikipedia