- key-modulated waves
- телеграфно-модулированные колебания
Англо-русский железнодорожный словарь. 2013.
key-modulated waves
Смотреть что такое "key-modulated waves" в других словарях:
Modulated — Modulate Mod u*late, v. t. [imp. & p. p. {Modulated}; p. pr. & vb. n. {Modulating}.] [L. modulatus, p. p. of modulari to measure, to modulate, fr. modulus a small measure, meter, melody, dim. of modus. See {Mode}.] 1. To form, as sound, to a… … The Collaborative International Dictionary of English
continuous waves — noun plural 1. : radio waves that continue with unchanging intensity or amplitude without modulation and that are used in telegraphy in which the wave is turned on and off with a key to form the dots and dashes of a code continuous wave… … Useful english dictionary
History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… … Wikipedia
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
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Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… … Wikipedia
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Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
