. 1 . 2 (.2).
Σ β.
Σ β = β1 + β2 + + βn - .
Σβ =54000.5
:
Σ β = 180 ˚ (n 2)
n .
=5 Σ β = 180 ˚ (5 2)= 5400
:
fβ = Σ β Σ β ,
fβ = 54000.5 5400=0 00,5'
:
f β = 1,5 .
f β = =0 02,2'.
fβ< f β .
, , 0,1'. -0,1 .
:
β = β + δ β.
, 12608.5-0.1=12608.4 ..
. 3 . .
α1-2 . 4 .2, . α β : 180 :
αn+1 = αn+180-βn
:
α2-3 = α1-2+180-β2 = 6335.2+180-12608,4΄=11726.8 ..
.
α1-2 = α4-5 + 180 - β1 = 33431.2+ 180 − 9056.0= 6335.2.
(.3).
.3 (α) (r)
:
ΔX = d cos α (r),
ΔY = d sin α (r),
: d ,
α ,
α r.
,
ΔX1 = 127.23cos 6335.2=56,58,
ΔY = 127.23 sin 6335.2=113,92 ..
, . :
f ∆X = ∑∆X - ∑∆X ,
f ∆Y = ∑∆Y - ∑∆ Y ,
: ∑∆X , ∑∆Y , ;
∑∆X , ∑∆Y .
|
|
f ∆X = 163,05-163,17=-0,12,
f ∆Y =199,18-199,13=0,05.
, , , , . , :
1.
f = ,
f = 0,13
2.
f = f / ,
f = 0,06/570,52=1/4388,
( ). 1/2000. : | f | ≤ | f |, , :
σ Δ Xi = f Δ X di/ ,
σ Δyi = f ΔY di / ,
i ,
.
..:
σ Δ Xi = -0,12 di/ 570,52,
σ Δyi = 0,05 di / 570,52.
, .
, , . . x y ( ) .
, . .
Χ n = Χ n-1 + ΔΧ n-1(),
Υ n = Υ n-1 + ΔΥn-1().
, 2:
Χ2=167,42+56.63=224,05,
Υ2=218,86+113.94=332,80 ..
.
.
1:1000. , 10 . , . , , Y . .
. , . 6 . 2. 100 0,2 1:1000. , , .
.
|
|
2. .
2.1. .
1:1000 1 .
2.2.
1) (. 3).
2) (. 4).
.4
3)
: , . . .. 163,63.