func-
to the
de +
dh
(55)
p) dh
(56)
o dy,
of the
in the
ations
nts of
e nor-
orien-
nnec-
ly and
e Tests
ns.
(57)
(58)
These expressions are applied to suitable combinations of the image
points. We will here demonstrate the results of an adjustment of the
discrepancies in five points with the following image coordinates and
assumed discrepancies:
Table 15.
re —
| Point | x' y' dx’ dy' |
| 11 | — a — a dx11 dyii
| 15 | a — à dx15 dy15
| 51 | — a a dx51 dysi
| 55 | a a dxss dyss
| 33 | 30 0 dxaa dyss
After forming and solving the normal equations we find the correc-
tions:
c
de = — — Nj (59
Ta m 59)
a2 2 232 2
dx == 425 se Nes — 202 + €? f dx] (60)
2432 6a2 :
4a2 4 5¢2 2a2 + c? C cot e
ty, = = Nsa — ZT (ay) — Ns (61
Mum E E Nac A E Em (61)
dy mm oes (62)
? 4a sin e
dk — dx; — dx45 + dx; + dx55 (63)
4a
c
de — (5N53 — 4 [dx (64)
e [dx] Les
e m — 54 — 65
d (Nay — 4 [dy]) — = (65)
: 1 2 d 2 Ns 2 : N592
[vv] = [dx dx] + [dy dy] — [dxj? t ddvls, Nu d Nas
5 8
e (SN53 — 4[dx])2 + (5N54 — 4[dy])2 Ns? (66)
120 8
The symbols are defined as follows:
Ns1 = — dy11 — dys5 + dyss + dyss — dx11 + dx15 —
a dx, + dxs5
(67)
47