Laboratoriya ishi Triangulyatsiya tarmog'ini korrelata usulida tenglashtirishga misol


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12-13-laboratoriya

Aniqlikni baholash. Tenglashtirilgan elementning o'rtacha kvadratik xatosi quyidagi formula bilan aniqlanadi.

1
π‘šπΉ = πœ‡βˆš ,


𝑃𝐹


bu yerda
πœ‡ =
βˆ‘ 𝑝𝖯2

√
βˆ’
π‘Ÿ
tarmoqni tenglashtirishdan aniqlangan vazn

birligining o'rtacha kvadratik xatosi; 𝖯 βˆ’ 𝑝 vazn bilano`lchangan qiymatlarga tuzatmalar; π‘Ÿ βˆ’ shartli tenglamalar soniga teng bo'lgan ortiqcha o'lchovlar soni.




π‘˜1

π‘˜2

π‘˜3

π‘˜4

𝑓𝛼

𝑓𝑠

πœ”

𝑠

π‘π‘Žπ‘§π‘œπ‘Ÿπ‘Žπ‘‘

6,000

βˆ’2,000

βˆ’2,000

0,887

+1,000

+0,933

+1,03

+5,850




βˆ’1

0,3333

0,3333

βˆ’0,1478

βˆ’0,1667

βˆ’0,1555

βˆ’0,1717

βˆ’0,9750

βˆ’0,9751




6,000

βˆ’2,000

0,292

βˆ’1,000

βˆ’0,006

βˆ’1,21

+0,076




5,3333

βˆ’2,6667

0,5876

βˆ’0,6667

+0,3050

βˆ’0,8667

+2,0258

+2,0258

βˆ’1

+5,0000

βˆ’0,1102

+0,1250

βˆ’0,0572

+0,1625

βˆ’0,3798

βˆ’0,3799







6,000

βˆ’1,203

+3,000

βˆ’0,344

+0,60

+4,053




+4,0000

βˆ’0,6136

+3,0000

+0,1195

+0,5099

+7,0157

+7,0158

βˆ’1

0,1534

βˆ’0,7500

βˆ’0,0299

βˆ’0,1275

βˆ’1,7539

βˆ’1,7540










57,398

βˆ’5,506

+11,776

+2,05

+65,694




57,1080

βˆ’5,1201

+11,6228

+2,0715

+65,682

+65,6822

βˆ’1

+0,0897

βˆ’0,2035

βˆ’0,0363

βˆ’1,1501

βˆ’1,1501

βˆ’0,1717


+0,1625


βˆ’0,1275


βˆ’0,0363

4,000


βˆ’0,921





+0,573





π‘˜4

1
𝑃 =


𝛼

+0,0054

+0,0040

βˆ’0,0056
















βˆ’0,0444

βˆ’0,0666

βˆ’0,1331

1,0409

βˆ’0,0859

βˆ’0,4767

+0,4783

+0,4783

+0,0333

+0,0999



















βˆ’0,1774




π‘˜3

1
𝑃 =
𝑠

3,415
0,8837

βˆ’0,5474


14,853
0,2514

0,2504


π‘˜2

π‘˜1




Uchburchak raqami

Punktlar raqami

Yo`nalishlar farqi

O`lchangan burchaklar

Tuzatmalar



Tenglangan burchaklar

Tenglangan burchaklar
sinuslari

Tenglangan tomonlar, m



















π‘ž =15200,944




1

2βˆ’1

37Β° 11'06,71"

βˆ’0,07β€²β€²

6,64β€²β€²

0,6043930

9187,34

1

2
3

6βˆ’5
11βˆ’10

33 06 57,19
109 41 57,13

βˆ’0,64β€²β€²
βˆ’0,32β€²β€²

56,55β€²β€²
56,81β€²β€²

0,5463316
0,9414758

8304,76
14311,32







βˆ‘

180 00 01,03

βˆ’1,03

00,00










πœ”1

1,03

























π‘ž =21345,667




4

5βˆ’4

25 12 57,42

+0,59β€²β€²

58,01β€²β€²

0,4260337

9093,97

2

5
6

9βˆ’8
12βˆ’11

25 29 36,31
129 17 25,06

+0,11β€²β€²
+0,51β€²β€²

36,42β€²β€²
25,57β€²β€²

0,4304079
0,7739459

9187,34
16520,39







βˆ‘

179 59 58,79

+1,21

00,00










πœ”2

βˆ’1,21

























q=17675,06




7

3βˆ’2

30 57 52,92

βˆ’0,25β€²β€²

52,67β€²β€²

0,5145088

9093,97

3

8
9

10βˆ’12
8βˆ’7

121 00 37,41
28 01 30,27

βˆ’0,19β€²β€²
βˆ’0,15β€²β€²

37,22β€²β€²
30,12β€²β€²

0,8570743
0,4698572

15148,84
8304,76







βˆ‘

180 00 00,60

βˆ’0,59

00,01










πœ”3

0,60








Vazn birligining o'rtacha kvadratik xatosi πœ‡ = √0,455 = 0,34β€²β€². Tenglangan
4




burchaklarning o'rtacha kvadratik xatosi π‘š = πœ‡βˆš2 = 0,34√2 = 0,48β€²β€². Direktsion

burchagining hisoblangan teskari vazni qiymatini hisobga olgan holda 𝛼34
( 1 =
𝑃𝑓𝛼


1,0409) va tomon uzunligi uchun 𝑆34
( 1
𝑃𝑓𝑠
= 0,8837) dan topamiz π‘šπ›Ό34 =





πœ‡βˆš 1
𝑃𝑓𝛼
= 0,34√1,0409 = 0,35β€²β€²; π‘šπ‘†34
= πœ‡βˆš 1
𝑃𝑓𝑆
= 0,34√0,8837 = 0,32π‘‘π‘š =

0,032π‘š,
Yakuniy hisob-kitoblar 12.8 -jadvalda keltirilgan.


Agar burchaklari tenglangan ba'zi uchburchaklardagi bog`lanmaslik 0,01β€²β€² dan oshmasa va uchburchaklar yechimidan hisoblangan tomonlar uzunliklarining farqi oxirgi belgining ikki birligidan ko'p bo'lmasa, unda tenglashtirish sifatli amalga oshirilgan hisoblanadi.
Aks holda, tomonlarning uzunligini hisoblashni tekshirish kerak, agar bu yerda ham xatolar bo'lmasa, ularni qutb shartidan izlash va uchburchaklardagi bog'lanmaslik 0,01β€²β€² dan ortgan holda shakllar shartidan izlash kerak. Shundan so'ng, nuqtalarning yakuniy koordinatalari, tomonlarning uzunligi va direktsion burchaklari hamda nuqta koordinatalari katalogi hisoblanadi (12.9-jadval).
12.9-jadval



Punkt
raqami

Tenglangan
burchaklar

Direktsion
burchaklar

S, m

X, m

Y, m

2
1
3
4
2
1

68Β°08'59,31"


28 01 30,12
230 42 34,03
33 06 56,55

187Β°28'37,81"
75 37 37,12
283 39 07,24
334 21 41,27
187 28 37,82

15148,84
9093,97
9187,34

5963124,81


5966885,26
5969031,66
5977314,44

8412617,83


8427292,51
8418455,47
8414480,1

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