Page 326 - Electrical Engineering Dictionary

U(k) := u i+k,−i ,i = ..., −1, 0, 1,... ; globally asymptotically stable state See
asymptotically stable in the large.
k = 0, 1,...}

Y(k) := y i+k,−i ,i = ..., −1, 0, 1,... ;
glove in power line work, this refers to
k = 0, 1,...} for k ≥ q conductors which are energized with volt-
ages low enough to be safely contacted by
workers wearing suitable rubber gloves, to
global positioning system (GPS) system
the range of voltages at which the practice is
of18primarysatellitesinmediumearthorbit,
allowed, and to the gloves themselves.
distributed so that at least four are simultane-
ously visible from each point on the globe; GMAW See gas metal arc welding.
typically used in timing and positioning ap-
plications. GMSK See minimum-shift keying
Gaussian.
global reconstructibility of generalized 2-
D model the generalized 2-D model goat head the top of a tower.

Ex i+1,j+1 = A 1 x i+1,j + A 2 x i,j+1 Gold book See IEEE Color Books.
+ B 1 u i+1,j + B 2 u i,j+1
Gold sequences a set of spreading se-
y ij = Cx ij
quences developed by the coding theorist R.
is called globally reconstructible if any of its Gold in 1966 that are typically used in a mul-
global semistates tiple access system utilizing direct sequence
spread spectrum. The set of Gold sequences

X(q) := x i−q,−i ,i = ..., −1, 0, 1,... ; is the solution of a problem in sequence de-
sign, where the criteria is the minimization of
q = 0, 1,...}
the maximum cross-correlation between any
may be calculated using past outputs and in- two sequences in the set under all possible
puts of the model, i.e., cyclic shifts of one sequence relative to the
other. See also cross-correlation.

U(k) := u i+k,−i ,i = ..., −1, 0, 1,... ;
Gompertz dynamics the simplest nonlin-
k = 0, 1,...}
ear, with sigmoidal growth function, model

Y(k) := y i+k,−i ,i = ..., −1, 0, 1,... ;
of population dynamics. The unperturbed
k = 0, 1,...} for k ≤ q growth of population is described by the first-
order differential equation

x max
Global System for Mobile Communica- ˙ x = gxln
tions (GSM) a set of systems specifica- x
tions that describe the Pan European digi- where x is an average number of individuals
tal mobile cellular radio system. This set of in the population with maximal value (the
13 recommendations describe service, syn- so-called plateau population) x max and g is
chronization, hardware, operating and main- a positive growth parameter. The Gompertz
tenance characteristics for the system. equation may be simplified using the dimen-
sionless scaling
globally asymptotically stable equilibrium x max
y = ln
an asymptotically stable equilibrium (see the x
definition) with a region of attraction (see the which leads to a linear equation of the form
n
definition) equal to < (n-dimensional real
Euclidean space). ˙ y =−gy

c
2000 by CRC Press LLC