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operators, such as mutation and crossover, genlock a shortened term for “generator lock,” meaning that one sync generator sys- geodesic lens a lens composed of cir- cularity symmetric spherical depression (or geometric distribution a discrete proba- bility density function of a random variable p{x = k} = p(1 − p) k k = 0, 1, 2, . . . . This is the probability that k independent tri- als, each with probability of success p and failure 1 − p, fail before one succeeds. See also geometric Jacobian the Jacobian (or more precisely the Jacobian matrix, but v = J (q) ˙q where v is a six-dimensional vector of linear and angu- ˙q is a vector of generalized velocities ˙q(t) = [ ˙q 1 (t), ˙q 2 (t), . . . , ˙q n (t)] T . The Jacobian has dimensions 6 × n. All points in which the Jacobian is not invertible are called singular- Jacobian is defined for an arbitrary manipula- geometric radian center frequency the logarithmic radian center frequency, it is the ω H ) and lower ( ω H ) band edges, expressed in radians/second. The band edges are usu- L Amax , the max- imum attenuation loss across the band. ω OG = √ ω H · ω L or log 10 (ω OG ) = log 10 (ω H ) + log 10 (ω L ) 2 geometric theory of diffraction a cor- rection to geometrical optics that includes geometric transformation transforms the pixel co-ordinates of an image to effect geometrical optics a high-frequency technique using ray tracing for tubes of rays geosynchronous orbit an orbit 22,753 miles above the earth in which an object will geothermal energy thermal energy in the form of hot water and steam in the earth’s c 2000 by CRC Press LLC |