導線測量閉合差的調整

1、1.附合導線平差計算點名或點號觀測角B左左改正數(shù)VB改正后角值B左左方位角a邊長D(m)縱坐標增量X(m)縱坐標x(m)橫坐標增量y(m)橫坐標y(m)計算值改正數(shù)改正后的值計算值改正數(shù)改正后的值A6009.7099665.8031494000203.71-119.197B1680324-1016803145806.009785.001374314236.02-174.62-0.09-174.71+158.78-0.04+158.7411452048-1014520385631.299943.741030352189.11-42.75-0.07-42.82+184.22-0.04+184.18

2、22162530-1021646265588.4710127.921395018147.62-112.82-0.05-112.87+95.21-0.03+95.18C492356-114902375475.6010223.1085255D5708.7910259.55791336-41572.75-330.19-0.21-330.40+438.21-0.11+438.10角度閉合差及改正數(shù)計算草圖坐標增量閉合差之計算導線相對閉合差之計算x=-330.19X-X=5475.6-5806.00CB=-330.4/x=-330.19330.40=0.21y=+438.21Yc-Y=10223.1-9

3、785.0B=438.10/y=y-(Yc-Y)=+0.11BB-4X180=-14046/24=14940/00I55=1404705B-nX180+aa=AB=+41CD/=40n=404=120B容改正數(shù)V1=y/n=-41/4=-102B/左aABCD-852/=B=/=/2+/y2Dx=0.212+0.112=0.24K=/D=0.24/572.751/2380V1/20001.閉合導線平差計算點名或點號觀測角B左左改正數(shù)VB改正后角值B左方位角a邊長D(m)縱坐標增量X(m)縱坐標x(m)橫坐標增量y(m)橫坐標y(m)計算值改正數(shù)改正后的值計算值改正數(shù)改正后的值ADXcosa56

4、09.26DXsina7130.381504812125.82-109.83-0.03-109.86+61.38-0.04+61.34B983936+129839485499.407191.72692800162.92+57.14-0.03+57.11+152.57-0.04+152.53C883608+118836195556.517314.253380419136.85+126.95-0.03+126.92-51.11-0.04-51.15D872530+118725415683.437293.102453000178.77-74.13-0.04-74.17-162.67-0.05-162

5、.72A851800+128518125609.267130.381504812B(983936)3595914+46360604.36+0.13-0.130+0.17-0.170角度閉合差及改正數(shù)計算B180X(4-2)=360理=/B-BB,=,，測理，=3595914-360=-46=40n=404=120改正數(shù)V1=/n=-46/4=+11.5/B(n-2).180ni閉合導結吉的轉折角數(shù)B觀測角的總和測坐標增量閉合差之計算x=0y=0理理/x=+0.13/y=+0.17Vx=-(0.13/604)XAB125.82=-0.03VAy=-(0.17/604)XAB125.82=-0.0

6、4坐標增量調整的原則是將它們以相反的符號按與邊長成正比例改正到各邊的坐標增量中導線相對閉合差之計算/=/2+/y2Dx=0.132+0.172=0.214K=/D=0.214/604.361/2800V1/2000草圖2007新規(guī)范二二】導絨測蠱的主要技術義求等級導線iKrfcikm)平購邊KCkm中謀諾L)中g梓Cmm)中諛耋as阿歡閉合羔二舟1劉閉rz?i它a儀器僅器皺儀器1等L43】.&201/1soonc61門3_fi77：.!/55at1D.551&j/：joauo-241(J喬JL/15000-st2.4O.?5丄三1/J4OD-L3131丘vrf:d丄moo-一級L.它u.11215