Electrical Engineering Dictionary on CD-ROM
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Electrical Engineering Dictionary is a continually updated CD that provides workable definitions for practicing engineers. It serves as a reference and research tool for students and offers practical information for scientists and researchers in other disciplines. Areas examined include applied electrical engineering, microwave engineering, control engineering, power engineering, digital systems engineering, and device electronics.
symmetry created by simultaneously mirroring an object in both the X and Y axes. antiproton antiparticle to the proton. It is a strongly interacting baryon carrying unit negative charge. It has mass of 938 MeV and carries spin 1/2. antireflection coating coating. See antireflective antireflective coating (ARC) a coating placed on top or below the layer of photoresist to reduce the reflection of light, and hence reduce the detrimental effects of standing waves or thin film interference. AOA AOTF
constraint surface. An artificial force constraint is specified along surface normals, and an artificial position constraint along tangents and hence consistency with the natural constraints is preserved. See also natural constraint. artificial dielectric a dielectric material that has been modified to alter its properties. Common modifications include micromachining to remove material from the substrate under planar patch antenna to improve radiation properties and the fabrication of periodic
sequence; and 3. electronic computing machines. In common use, however, the term is often used in reference to any type of advanced mechanization or as a synonym for technological progress; more specifically, it is usually associated with cybernetics. automaton (1) a fundamental concept in mathematics, computer engineering, and robotics. c 2000 by CRC Press LLC (2) a machine that follows sequence of instructions. (3) any automated device (robots, mechanical and electromechanical chess
re-starting an isolated power system which is completely deenergized. Most generating plants require substantial external electric power to start. Thus a black start may be initiated by handstarting gas turbine generators or by opening the gates of a hydroelectric generator somewhere in the system. bit-serial system serial data transfer. a system that uses bit bit-slice processor a processor organization that performs separate computations (via multiple processing units) separately upon
feedback matrix K such that In1 z1 − A1 − B1 K1 −A2 − B1 K2 −A3 − B2 K1 In2 z2 − A4 − B2 K2 n1 n2 = pc (z1 , z2 ) = j dij z1i z2 dn1 n2 = 1 i=0 j =0 p (z1 , z2 ) = det In z1 z2 − A1 z1 − Az2 z2 n2 = j aij z1i z2 (ann = 1) i=0 j =0 is called the 2-D characteristic polynomial of the 2-D Fornasini–Marchesini model xi+1,j +1 = A1 xi+1,j + A2 xi,j +1 + B1 ui+1,j + B2 ui,j +1 i, j ∈ Z+ (the set of nonnegative integers) where xij ∈ R n is the local state vector, uij ∈ c 2000 by CRC Press