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time-frequency hopping system

См. также в других словарях:

  • 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

  • Frequency Hopping — Mit Frequenzspreizung bezeichnet man in der Informationsübertragung per Funk ein Verfahren, bei dem ein schmalbandiges Signal in ein Signal mit einer größeren Bandbreite als für die Informationsübertragung nötig umgewandelt wird. Die Sendeenergie …   Deutsch Wikipedia

  • Time division multiple access — This article is about the channel access method. The name TDMA is also commonly used in the United States to refer to Digital AMPS, which is an obsolete mobile telephone standard that uses TDMA to control channel access. Time division multiple… …   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

  • Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …   Wikipedia

  • Enhanced Position Location Reporting System — The Enhanced Position Location Reporting System (EPLRS) is a secure, jam resistant, computer controlled communications network that distributes near real time tactical information, generally integrated into radio sets, and coordinated by a… …   Wikipedia

  • Global System for Mobile Communication — Das Global System for Mobile Communications (früher Groupe Spécial Mobile, GSM) ist ein Standard für volldigitale Mobilfunknetze, der hauptsächlich für Telefonie, aber auch für leitungsvermittelte und paketvermittelte Datenübertragung sowie… …   Deutsch Wikipedia

  • HAVE QUICK — is a frequency hopping system used to protect military UHF radio traffic.Since the end of World War II, U.S. and Allied military aircraft have used AM radios in the 225 ndash;400 MHz UHF band for short range air to air and ground to air… …   Wikipedia

  • SelTrac — is a digital signalling technology used to control the movements of rail vehicles originally developed by Alcatel. SelTrac is now sold by Thales. SelTrac Communications Based Train Control (CBTC) technology SelTrac is a family of three different… …   Wikipedia

  • Bart Kosko — Infobox Writer imagesize = 300px name = Bart Kosko caption = pseudonym = birthname = birthdate = birth date |1960|02|07 birthplace = Kansas City, Kansas deathdate = deathplace = occupation = Writer and Professor of Electrical Engineering… …   Wikipedia

  • Royal Moroccan Air Force — القوات الجوية الملكية المغربية al Quwwat al Jawwiyah al Malakiyah al Maghribiyah Forces Royales Air Active 1956 – present …   Wikipedia

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