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(jì) 算點(diǎn)名或點(diǎn)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(biāo)增量X(m)縱坐標(biāo)x(m)橫坐標(biāo)增量y(m)橫坐標(biāo)y(m)計(jì)算值改正數(shù)改正后的值計(jì)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(jì)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(biāo)增量閉合差之計(jì)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(jì)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(jì) 算點(diǎn)名或點(diǎn)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(biāo)增量X(m)縱坐

4、標(biāo)x(m)橫坐標(biāo)增量y(m)橫坐標(biāo)y(m)計(jì)算值改正數(shù)改正后的值計(jì)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(jì)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(biāo)增量閉合差之計(jì)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(biāo)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(biāo)