time-frequency hopping system

  • 1Frequency-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… …

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  • 2Frequency 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 …

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  • 3Time 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… …

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  • 4Bowman (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… …

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  • 5Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …

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  • 6Enhanced 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… …

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  • 7Global 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… …

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  • 8HAVE 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… …

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  • 9SelTrac — 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… …

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  • 10Bart 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… …

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