1 - NGA

calibrat”m film dkifort”m used atso for
sehkrratrng pbfting inetrunrertts. Also celled grfd
ptate. 2. Intersecting oRhogonaf lines
euperi~d oww photo irmsgery.
maactlon station-A station kcated by
msadion methods.
rwactlon-1. The graphical or enetyik-al
dsterminatim of a positii, as the irdarsactien
of at fee@ three fines of known direction to
cxxreaponding poirrta of krc.wn pcrsiticm. 2.
[wrvaying) The detarminefim of the horizontal
poeifii d a eurvay station by sbaarved
directiia hurt the etetim to points of known
poaitkms. Atso, the line drawn through the
plettad location of a atetion to the oscupied
station. 3. (photogrammetry) The determination
of the position arrdhr attitude of a camera, or
the photograph taken with that cemere, with
meP@ tO the @de* caordhate system. Also
called thraa-point method. See also
Intersection, definition 2.
residual devl.etion-Devietion of e magnetic
UXrrPSSS aher adjustment or compensation.
rasldrml error-The dfierence batwaen any
value of a quantity in a series of observations,
oorrected for known systematic errors, ❑nd the
value of the quantity obteined from the
combkratkm or adjustment of that series.
Frequently used as the difference between en
obsarved velue end the mean of all observed
values of a etatistisally valid act. See alao error
residual. The latter term is generally used in
referring 10 actuel values in a apesific
computation.
MIL-HDBK-850
raddud gravity-in gravity prospecting, the
portion of e grevify etkd remairrirrg after
removal of some type of ragkmsl gravity, usually
the reletivafy small or local anomaly components
of the total or observed gravity field.
msldual porallax—Srnall amounls of yparallas
whii rney remain in a model after
refative orientation is emm@ishad.
residual+ general term darroting a quantity
remaining after some other quantity has been
subtraded. ft ooxra in a variety of particular
sontexts. For exemple, if the true value of a
varfabla is su~recfed from an observed value
then tha dtierense may be called a maldual; it
ia also frequenlty oelled an ●rror. Similarfy, if a
methemetioal model Is fitted to data, the valuee
by which the observations differ from the model
218
veluee ara satietf raslduala.
resolution In baartng-lhe minimum
detectable separation of crb@ta at the same
range and the same elevation, expressed in
terms of the horizontal angular dielarrce
LWlween Sush Objesta.
maolutlon In ●levatlorr-The minimum
detestable ~ralierr ef objjs et the same
range d aanm bearfng, espreaaad m terms of
the vertical angular drntanm.
maolutlon in renge-The minimum
detwtabfe separation of objests in the same
line of alght, axpressed in terms d the dietarrsa
between them.
resolutlmr Ihrrlt-fn grevily end meanetic
pro~ing, the aeparetion of two distorting
bodias at hich coma obvious indiiticm, in a
measured quantity. of the preserme of two
se~mte bdeS ceasas to bs visible.
resolutiobl. For raster epplicetimrs,
reaolulion is the number or pisels per unit
distance. 2 (JCS) A maasr.rremant of the
amsllast-detail .whiih c=n.ba diaiirguished by e
sensor syatam under spat’k corrdii”mns. 3.
The minimum dieterrce batween two adjacent
f.3alurss, or the minimum size of a feature,
which San be detested by a remote aarrsory
system. 4. In gravity or megnetis praspding,
the ir’viication in some measured quantity, such
as the vertical somponeni of gravity, of the
presence of two or more cloaa but separate
disturbing bdies.
resolving power target—A teat chart usad
for the evaluation of photograph, oplicel, and
alestroc@cel aystama. The deeign ueuelly
consists of rulad fines, aqueres, or circles varying
in siza according to a spasified gamnetric
pregreeeion.
msolvlng power-A mathematical expression
of dafinitbn in an imaging ayatam, ueuefly
stated as the ,-imum number of finsa per
millimeter that can be seen as separate lines in
the image.
recponder-hr general, an irratrumenf that
irrckates reception d an electric or
elactromagrretic signel. See also tr.snspondor.
I’.8P0nS0r-A radio receiver which receives the
reply from e transponder and produss an
outpul suitable for feeding to e display system.