- dual networks
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English-Bulgarian polytechnical dictionary . 2013.
dual networks
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Dual impedance — and dual network are terms used in electronic network analysis. The dual of an impedance is its algebraic inverse . Note that and are the duals of each other, that is, they are reciprocal. For this reason the dual impedance is also called the… … Wikipedia
Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… … Wikipedia
Dual mode mobile — Dual mode mobiles refer to mobile phones that are compatible with more than one form of data transmission or network. Contents 1 Dual Mode Phone 1.1 Network Compatibility 1.2 Cellular and Non cellular Radios 1.3 … Wikipedia
Dual-Cell HSDPA — (also known as: Dual Carrier HSPA or Dual Cell HSPA) is a wireless broadband standard based on HSPA that is defined in 3GPP UMTS release 8. Dual Cell (DC )HSDPA is the natural evolution of HSPA by means of carrier aggregation in the downlink[1].… … Wikipedia
Dual Transfer Mode — (DTM) is a protocol based on the GSM standard that allows simultaneous transfer of Circuit switched (CS) voice and Packet switched (PS) data over the same radio channel (ARFCN). DTM is a 3GPP baseline R99 feature. A mobile phone which is DTM… … Wikipedia
Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… … Wikipedia
Dual SIM — A dual SIM phone. A dual SIM mobile phone is one which holds two SIM cards. Initially, dual SIM adapters were made available to use in regular mobile phones to allow them to contain two SIMs, and to switch from one to the other as required. This… … Wikipedia
Dual problem — In constrained optimization, it is often possible to convert the primal problem (i.e. the original form of the optimization problem) to a dual form, which is termed a dual problem. Usually dual problem refers to the Lagrangian dual problem but… … Wikipedia
Dual loyalty — This article is about dual loyalty in politics. For loyalty in ethics, see Dual loyalty (ethics). In politics, dual loyalty is loyalty to two separate interests that potentially conflict with each other. Contents 1 Inherently controversial 1.1… … Wikipedia
Dual power — Part of a series on Libertarian socialism … Wikipedia
Dual-Band — Mit dem Begriff Dualband wird die Fähigkeit von Mobiltelefonen bezeichnet, auf zwei verschiedenen Frequenzbändern Verbindungen herzustellen. In Europa verwenden die Netzbetreiber zwei Frequenzbänder, 900 MHz (z. B. T Mobile und Vodafone,… … Deutsch Wikipedia
