electrical admittance
61Antenna tuner — An antenna tuner, transmatch, or antenna tuning unit (ATU) matches a transceiver with a fixed impedance (typically 50 ohms for modern transceivers) to a load (feed line and antenna) impedance which is unknown, complex or otherwise does not match …
62Per-unit system — In electrical engineering in the field of power transmission a per unit system is the expression of system quantities as fractions of a defined base unit quantity. Calculations are simplified because quantities expressed as per unit are the same… …
63Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… …
64Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… …
65Diagramme de rayonnement — Différents diagrammes d émission d antennes en deux dimensions …
66Dominican Republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 8,228,151; 19,129 sq. mi. (49,545 sq. km). Cap.: Santo Domingo. Formerly, Santo Domingo, San Domingo. * * * Dominican Republic Introduction Dominican Republic… …
67Estonia — /e stoh nee euh, e stohn yeuh/, n. a republic in N Europe, on the Baltic, S of the Gulf of Finland: an independent republic 1918 40; annexed by the Soviet Union 1940; regained independence 1991. 1,444,721; 17,413 sq. mi. (45,100 sq. km). Cap.:… …
68Netherlands, The — officially Kingdom of The Netherlands byname Holland Country, northwestern Europe. Area: 16,033 sq mi (41,526 sq km). Population (2002 est.): 16,142,000. Capital: Amsterdam; Seat of Government: The Hague. Most of the people are Dutch. Languages:… …
69Distributed element filter — Figure 1. A circuit featuring many of the f …
70Diplomatic immunity — For other uses, see Diplomatic immunity (disambiguation). Diplomatic immunity is a form of legal immunity and a policy held between governments that ensures that diplomats are given safe passage and are considered not susceptible to lawsuit or… …
