導(dǎo)線測量閉合差的調(diào)整

1、精選優(yōu)質(zhì)文檔-傾情為你奉上精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)專心-專注-專業(yè)精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)1. 附 合 導(dǎo) 線 平 差 計 算點名或點號觀測角左改正數(shù)V改正后角值左方位角邊長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A(chǔ)6009.7099665.803149400020371-119.197B1680324-1016803145806.009785.001374314236.02-174.62-0.09-174.71+158.78-0.04+158.7411452048-10145203

2、85631.299943.741030352189.11-42.75-0.07-42.82+184.22-0.04+184.1822162530-1021646265588.4710127.921395018147.62-112.82-0.05-112.87+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)計算左-4180 =-140 4624AB-CD=1494000-85255=1

3、404705=-n180+-CD=+41容=40n=404=120改正數(shù)V1=/n=-41/4=-102坐標增量閉合差之計算x=-330.19XC-XB =5475.6-5806.00 =-330.4x=-330.19330.40=0.21y=+438.21Yc-YB =10223.1-9785.0=438.10y=y (Yc-YB )=+0.11導(dǎo)線相對閉合差之計算D =x2 +y2=0.212+0.112 =0.24K=D/D=0.24/572.751/23801/2000草圖1. 閉 合 導(dǎo) 線 平 差 計 算點名或點號觀測角左改正數(shù)V改正后角值左方位角邊長D(m)縱坐標增量X(m)縱坐

4、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A(chǔ)Dcos5609.26Dsin7130.381504812125.82-109.83-0.03-109.86+61.38-0.04+61.34B983936+129839485499.407191.72692800162.92+57.14-0.03+57.11+152.57-0.04+152.53C 883608+118836195556.517314.253380419136.85+126.95-0.03+126.92-51.11-0.04-51.15D872530+118725415683.437293

5、.102453000178.77-74.13-0.04-74.17-162.67-0.05-162.72A851800+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)計算理 =180 (4-2)=360 =測-理=3595914-360=-46容=40n=404=120改正數(shù)V1=/n= -46/4= +11.5=測 (n-2).180n閉合導(dǎo)結(jié)的轉(zhuǎn)折角數(shù) 測觀測角的總和坐標增量閉合差之計算x理=0 y理=0 x=+0.13 y=+0.17 VxAB=-(0.13/604)125.82=-0.03VyAB=-(0.17/604)125.82=-0.04坐標增量調(diào)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