signal means
91Glossary of contract bridge terms — These terms are used in Contract bridge[1][2] , or the earlier game Auction bridge, using duplicate or rubber scoring. Some of them are also used in Whist, Bid whist, and other trick taking games. This glossary supplements the Glossary of card… …
92Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
93Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
94international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
95radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
96cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
97spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
98Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
99German railway signalling — Railway signals in Germany are regulated by the Eisenbahn Signalordnung (ESO, railway signalling rules). There are several signalling systems in use: History Reichsbahn Originally every rail company had its own signalling system. After these… …
100List of patent claim types — This is a list of special types of claims that may be found in a patent or patent application. For explanations about independent and dependent claims and about the different categories of claims, i.e. product or apparatus claims (claims… …
