三角网闭合导线计算(百根).xls

三角网闭合导线计算(百根).xls

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三三角角网网平平差差计计算算表表（K137+144百根大桥）点名或点号内角观测值改正数V改正后角值方位角边长D（m）纵坐标增量x（m）纵坐标X（m）横坐标增量y（m）横坐标y（m）计算值改正数改正后的值计算值改正数改正后的值70-12663339.321500057.2102902247.2671-116101252663514.179499586.5233092122.26538.923+341.752-0.0009+341.751-416.705+0.0024-416.70371-2670158-2.666670155.342663855.930499169.820621926.92327.632+152.175-0.0004+152.175+290.147+0.0014+290.14971-3764145-2.667764142.332664008.105499459.9691653744.59509.880-493.925-0.0007-493.926+126.552+0.0022+126.55471-1361625-2.667361622.332663514.179499586.5233092122.2671-21800008-818000001376.435+0.002-0.0020-0.006+0.0060角度闭合差及改正数之计算坐标增量闭合差之计算导线相对闭合差之计算草图理=180（3-2）=180x理=0y理=0fD=fx2+fy2=0.0022+（-0.006）2=0.006f=测-理fx=+0.002fy=-0.006K=fD/D=0.006/1376.435=1800008-1800000=+8Vx=-（0.002/1376.435）D1/2294061/20000f容=10n=103=17.321fVy=-（-0.006/1376.435）D改正数V=（-f）/n=-8/3=-2.667计算:

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