directivity of an antenna
31Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …
32Project Cyclops — [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730010095 1973010095.pdf NASA Technical Report CR 114445 Project Cyclops: A design study of a system for detecting extraterrestial intelligent life] . 14.5 MB pdf file.] was a 1971 NASA… …
33directionality — noun 1. the property of a microphone or antenna of being more sensitive in one direction than in another (Freq. 1) the antenna received signals with no directivity • Syn: ↑directivity • Derivationally related forms: ↑directional • Hypernyms: ↑ …
34Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
35Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… …
36Metamaterial — Negative index metamaterial array configuration, which was constructed of copper split ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions …
37ГОСТ Р ИСО/МЭК 19762-4-2011: Информационные технологии. Технологии автоматической идентификации и сбора данных (АИСД). Гармонизированный словарь. Часть 4. Общие термины в области радиосвязи — Терминология ГОСТ Р ИСО/МЭК 19762 4 2011: Информационные технологии. Технологии автоматической идентификации и сбора данных (АИСД). Гармонизированный словарь. Часть 4. Общие термины в области радиосвязи оригинал документа: ALOHA [ALOHA slotted]:… …
Словарь-справочник терминов нормативно-технической документации
38Last mile — The last mile is the final leg of delivering connectivity from a communications provider to a customer. Usually referred to by the telecommunications and cable television industries, it is typically seen as an expensive challenge because fanning… …
39Retrodirectivity — A retrodirective antenna is an antenna that transmits the signal back in the same direction it came from. This is based on the principle of self phase conjugation of the input signal. Directivity depends on relative phases of signal radiated from …
40Weiskirchen transmitter — Weiskirchen transmitter, which is property of the Hessian broadcasting company (German: Hessischer Rundfunk) is a mediumwave broadcasting facility, situated in the northwest area of the hessian village Weiskirchen, which is a part of Rodgau ,… …
