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142 TPS-System 1000 Programs-2.3.1en © Leica
IV
EL
AH
OH
BS
SM
AS
FS
BL
HB
KM
FB
SA
Used formulae and designations
a = In both faces observed and averaged direction.
b = In both faces averaged and reduced direction of a
set
d = Final averaged direction from all sets.
r = Difference between a final direction averaged
from all sets and a single direction of a set.
q = Average of the differences (r).
v = Residuals.
s = Number of sets
N= Number of targets.
r = d - b
v = r + q for horizontal directions
v = d - a for vertical directions
Average of the differences for horizontal directions.
Σr
q=-
N
Standard deviation of one horizontal direction observed
in two faces.
Σv²
mR=
(N-1)(s-1)
Standard deviation of one vertical direction observed in
two faces.
Σv²
mR=
N*s-1
Standard deviation of an averaged direction from all
sets.
mR
mM =
√
s