- frequency hopping communications
- Военный термин: (radio) радиосвязь с быстрой перестройкой частоты
Универсальный англо-русский словарь. Академик.ру. 2011.
frequency hopping communications
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Frequency-hopping spread spectrum — (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver. A spread spectrum transmission offers three main advantages over… … Wikipedia
Dynamic frequency hopping — One of the key challenges of the cognitive radio based wireless networks, such as IEEE 802.22 wireless regional area networks (WRAN)[1], is to address two apparently conflicting requirements: assuring Quality of Services (QoS) satisfaction for… … Wikipedia
Communications security — Not to be confused with Commonwealth Securities. Communications security is the discipline of preventing unauthorized interceptors from accessing telecommunications in an intelligible form, while still delivering content to the intended… … Wikipedia
Frequency Shift Keying — Bildung eines binären FSK Signals. Oben: Quelldaten als eine Folge von logisch 1 und logisch 0. Mitte: Unmodulierte Trägerfrequenz Unten: Moduliertes FSK Signal. Die Frequenzumtastung (englisch Frequency Shift Keying, FSK) ist eine… … Deutsch Wikipedia
Bowman (communications system) — Bowman is the name of the tactical communications system used by the British Armed Forces. The Bowman C4I system consists of a range of HF radio, VHF radio and UHF radio sets designed to provide secure integrated voice, data services to… … Wikipedia
Multiple frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Radio-frequency sweep — or Frequency sweep or RF sweep refer to scanning a radio frequency band for detecting signals being transmitted there. This is implemented using a radio receiver having a tunable receiving frequency. As the frequency of the receiver is changed to … Wikipedia
Time-hopping — in communications, a type of spread spectrum technology in which the carrier is turned on and off by the pseudorandom code sequence. See Also *Spread Spectrum *Frequency Hopping spread spectrum *Direct sequence spread spectrum External Links… … Wikipedia
Global System for Mobile Communications — GSM Logo (seit 2000) GSM Logo (bis 2000) Das Global System for Mo … Deutsch Wikipedia
OpenAir (communications standard) — OpenAir was an early wireless standard promoted by the Wireless LAN Interoperability Forum implemented predominantly by Proxim Wireless devices. It operates in the 2.4GHz band and uses frequency hopping with 0.8 and 1.6 Mb/s bit rates via 2 or 4… … Wikipedia
Spread spectrum — Passband modulation v · d · e Analog modulation AM · … Wikipedia
