测角中误差、测距相对中误差计算表

测角中误差、测距相对中误差计算表 半测回距值测站 后视 盘位 目标 半测回角值 一个测回角值 平均测回角值 备注 一个测回距值(m) 平均测回距值(m) (m) 左 2?09′10″ 113.574 2?09′03″ 113.576 右 2?08′55″ 113.577 JT3 JT2 JT4 2?09′05″ 113.576 左 2?09′04″ 113.575 2?09′07″ 113.575 右 2?09′09″ 113.575 左 176?35′00″ 193.465 176?34′58″ 193.467 右 176?34′56″ 193.468 JT4 JT3 JT2 176?34′59″ 193.465 左 176?35′03″ 193.460 176?34′59″ 193.463 右 176?34′55″ 193.465 左 1?15′39″ 306.922 1?15′43″ 306.923 右 1?15′46″ 306.924 JT2 JT4 JT3 1?15′42″ 306.923 左 1?15′44″ 306.922 1?15′40″ 306.922 右 1?15′35″ 306.921 计算: 1、测角中误差 (1) 测站JT3 ,,,vvv,,,2851290312:,,,:,,,,,,vvv,,,2851290716:,,,:,,,, 1122 角度改正值 vvv,,,,,,,,,,()/214(12)2″″″vvv,,,,,,,,,()/214(16)2″″″,,1122 222v(2)2,，″″,m,,,,,2.83,,,5观测角中误差?; 2121,, (2) 测站JT4 , ,,,vvv,,,1763458176353234:,,,:,,,,,,vvv,,,1763459176353233:,,,:,,,1122 角度改正值 vvv,,,,,,,,,()/233.5(34)0.5″″″vvv,,,,,,,,,,()/233.5(33)0.5″″″,,1122 222v(0.5)0.5,，″″,m,,,,,0.71,,,5观测角中误差?; 2121,, (3) 测站JT2 , ,,,vvv,:,,,,11543115376:,,,,,,vvv,:,,,,11540115373:,,,1122 vvv,,,,,,,,()/24.561.5″″″vvv,,,,,,,()/24.531.5″″″角度改正值 ,,1122 222v1.51.5″″，,m,,,,,,2.12,,5观测角中误差?; 2121,, 2、测距相对中误差 (1)测站JT3 ,,,,lll,,,113.576113.5790.3cm,,,,,l,,,lmlc113.575113.5790.4， 1212 vll,,,,,,,,,,()/20.35(0.3)0.05vll,,,,,,,,,()/20.35(0.4)0.05距离改正值 ,,1122 2v,m,,,,/11357.90.071/11357.9cmcm,1/6225268测距相对中误差<1/60000; 2,1 (2)测站JT4 ,， ,,,lll,,193.467193.4872cm,,,,,,l,,,lmlc193.463193.4872.41212 距离改正值 vll,,,,,,,,,,()/22.2(2)0.2vll,,,,,,,,,()/22.2(2.4)0.2,,1122 2v,mcmcm,,,/19348.70.35/19348.71/14618,,2测距相对中误差<1/60000; 21, (3)测站JT2 ,， ,,,,lll,,,306.923306.9411.8cm,,,,l,,,lmlc306.922306.9411.91212 vll,,,,,,,,,,()/21.85(1.8)0.05vll,,,,,,,,,()/21.85(1.9)0.05距离改正值 ,,1122 2v,m,,,,/30692.30.071/30692.3cmcm,1/2303785测距相对中误差<1/60000; 2,1 结果:根据《水运工程测量规范》(JTJ131-2012)规定，测量过程符合一级导线测量。 ,,5,,10,,20备注:(1)测角中误差一级导线测量;二级导线测量;图根测量; (2)测距相对中误差1/60000一级导线测量;1/30000二级导线测量;1/10000图根测量。