Guard
71Guard tone — is a feature of wireline modems.The guard tone is sent by the answering modem after it has sent the answer tone. It is a single continuous tone with a frequency of either 1800 Hz or 550 Hz, sent at a level of 6dB or 3dB, respectively, below the… …
72Guard tower — serves as a general term for any military tower providing vigilance, and henceforth guarding a certain area. Famous guard towers*Alcatraz guard towers [ [http://www.flickr.com/photos/9147703@N03/2180231638/ Picture of a guard tower in Alcatraz] ] …
73Guard Intervall — Guard Intervalle werden in der Nachrichtentechnik eingesetzt, um zu verhindern, dass sich bestimmte Übertragungen vermischen. Sie erhöhen die Störfestigkeit gegenüber Ausbreitungsverzögerungen, Echos und Reflexionen, gegen die digitale Daten in… …
74guard of honour — see under ↑honour • • • Main Entry: ↑guard guard of honour A body of soldiers serving as a ceremonial escort • • • Main Entry: ↑honour * * * guard of honour UK US noun [countable] [ …
75Guard band — has several meanings. NOTOC Radio and electronic signallingIn radio, a guard band is an unused part of the radio spectrum between radio bands, for the purpose of preventing interference.It is a narrow frequency range used to separate two wider… …
76Guard squeeze — is a type of squeeze in contract bridge where a player is squeezed out of a card which prevents his partner from being finessed. The squeeze operates in three suits, where the squeezee protects the menaces in two suits, but cannot help his… …
77guard's van — guard s vans N COUNT The guard s van of a train is a small carriage or part of a carriage in which the guard travels. [BRIT] Syn: brake van …
78guard dog — guard′ dog or guard′dog n. dch a large aggressive dog trained to guard persons or property; watchdog …
79guard of honor — guard′ of hon′or n. mil a guard specially designated for welcoming or escorting distinguished guests or for accompanying a casket in a military funeral Also called honor guard • Etymology: 1915–20 …
80guard-ship — guardˈ ship or guardˈship noun 1. A ship of war that superintends marine affairs in a harbour and protects it 2. Guardianship (archaic; Swift) • • • Main Entry: ↑guard …
