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send receive antenna

См. также в других словарях:

  • High-gain antenna — The high gain antenna (HGA) is an antenna with a focused, narrow radiowave beam width. This narrow beam width allows more precise targeting of the radio signal also known as a directional antenna. Most commonly referred to during space missions,… …   Wikipedia

  • Radio repeater — A radio repeater is a combination of a radio receiver and a radio transmitter that receives a weak or low level signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. This… …   Wikipedia

  • Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …   Wikipedia

  • Ground Wave Emergency Network — The Ground Wave Emergency Network (GWEN) was a command and control communications system intended for use by the United States government to facilitate military communications during a nuclear war. The network was implemented as an array of… …   Wikipedia

  • StarBand — is a two way satellite broadband Internet service available in the U.S.. StarBand Communications Inc. was initially a joint venture between Gilat Satellite Networks, EchoStar and Microsoft, and the StarBand service was launched in 2000. StarBand… …   Wikipedia

  • Wacom — This article is about the WACOM Electronics Producer. For the European Project WACOM, see WACOM (WAter COmpetences Model). Wacom Co., Ltd. Industry Computer input devices and software Founded July 12, 1983 …   Wikipedia

  • ChampionChip — ChampionChip[citation needed] system setup. The athlete wears the chip on their shoe. Dutch system based since 1992 on a Texas Instruments TMS370 microcontroller from TIRIS …   Wikipedia

  • History of wireless mesh networking — The core advantage of wireless mesh networks is their inherent ability to form a network on power up. Watch what happens in Fig 1, when the mesh nodes power up (green LED on box turns on). The nodes hear each other s broadcast and a network is… …   Wikipedia

  • Coupon-eligible converter box — TV Converter Box Coupon Program URL https://www.dtv2009.gov/[dead link] …   Wikipedia

  • 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

  • Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …   Wikipedia

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