1 - NGA

MIL-HDBK-850
K including inexact, heuristic, and subjective
K-factor-see base sffltude ratio. knowledge. The resutts 01 knOWk?dQe
engineering.
Ksslman lllterlng-The
vartance eslimatbn
recursive minimum
of an unbiased Krasovsky epherold (elllpsold)— A
stochastic varlabte. An a pfiod estimate ar’@
SXWattanCe are linearly oombined with new
data to form an updated estimate and
reference ellipsoid having the iollowing
approximate dimensions: semimajor axis
6,378,245.0 malara; fattening or elfipficlty
covanance.
lt298.3.
Keplers lawe-Tfre fhree laws govarnlng
the mollons ot planets In thalr orbits: (1) the
orbits of the planets are eltipses, with the
Sun at a common focus; (2) as a planel
moves in its orbit, the line adjoining the
planet and Sun sweeps over squel arees in
equai imarvals 01 limes; (3) me squares 01
the periods of revolution of any Iwo planets
are proportional to the cubes of thair mean
dislances from the Sun. Also called
Kepler’s planetary Iawa.
Kepler’. plenetary lswa—See Keplar’a
Iawa.
key ftat-The principal or mastar layout or
flal used as a positioning guide for skipping
up other flats. Also called layout guide.
See SISO fist, dafinhion 1: layout.
key—A data elemenl in a data base used by
the application software to locate a specific
data record or group of records.
kilobyte (KB)-A unit of memory
representing 210 (1 .024) byles. Commonly,
a kilobyle may reprasem 1000 byies. A K is
used as a suffix when describing memory
siza, aa in 640K.
klsa plate-A prass plate used to make an
addi!ion or corracrion 10 a previously printed
sheel. Also called touch plate.
Kllmech-Varlomat compilation method
(rellef)-A process by which reproduction
material of targe-scale sheats Is
photographically filtered to relain only index
comours. Tha indax camours are then used
aa the ralief compilation for a medbm-scale
aheel.
knowledge baaed ayatem (KBS)—A
somputer systam thal embodes knowledge,
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