GPS平差报告分析

平差报告 1 项目信息 1.1 项目属性 项目名称:园区大道施工单位: 湖南长大建设集团股份有限公司控制网等级:E 测量员: 兰非 计算员: 易祖星开始日期:2015.9.15结束日期:2015.9.15备注: 1.2 坐标系统 坐标系名称:中国-高坪 椭球长半轴 a：. 椭球扁率 f：1/298. 投影名称:高斯三度带投影 尺度:1. 投影高:0. X加常数:0. Y加常数:. 平均纬度:000:00:00.N 中央子午线:108:00:00.E 1.3 WGS84到当地椭球固定转换参数 参数计算结果转换模型：布尔莎DX(m)= 0.DY(m)= 0.DZ(m)= 0.WX(秒)= 0.00000WY(秒)= 0.00000WZ(秒)= 0.00000K(ppm)= 0.2 WGS-84三维无约束平差 2.1 平差参数 参考因子：1.00平方检验(=95%)：通过自由度：18 2.2 平差基线边 序号基线名 DX(m)DY(m)DZ(m)距离中误差 (m)改正数 (m)改正数 (m)改正数 (m)改正数 (m)相对误差1EP11EP12.3300748.6481606.4804-612.19751141.52460.0011-0.00010.00010.0002-0.00011: 2EP11HB02.3300-327.0004115.7712-398.5785528.39100.0022-0.00100.0007-0.00140.00181: 3EP11WD01.3300-316.6119234.1446-567.1049690.41640.0016-0.00070.00210.00080.00041: 4EP11WJB4.3301664.0144-293.9121923.76441175.00640.00200.0005-0.0012-0.0009-0.00021: 5EP11ZSL3.330196.3075-154.2528346.4662391.29000.00170.0005-0.0027-0.00030.00101: 6EP12HB02.3300-1075.6485-490.7091213.61901201.43590.00220.0006-0.0023-0.00100.00031: 7EP12WD01.3300-1065.2600-372.335845.09261129.35650.00160.00130.0003-0.0002-0.00131: 8EP12WJB4.3301-84.6337-900.39251535.96191782.42770.0020-0.00060.00480.0009-0.00171: 9EP12ZSL3.3301-652.3406-760.7331958.66381386.83070.0017-0.00040.00050.00050.00031: 10HB02WD01.330010.3885118.3733-168.5264206.20700.0023-0.0003-0.0013-0.00230.00111: 8944011WJB4ZSL3.3301-567.7069139.6593-577.2982821.62590.0022-0.00010.0039-0.00020.00081: 2.3 T 检验列表 基线名 T - XT - YT - ZEP11EP12.33000.04170.07110.1559EP11HB02.33000.22850.14240.3707EP11WD01.33000.30750.44960.4585EP11WJB4.33010.17600.20860.4112EP11ZSL3.33010.26540.63180.1547EP12HB02.33000.13510.45160.2388EP12WD01.33000.50480.07820.0797EP12WJB4.33010.21310.86500.3974EP12ZSL3.33010.16920.09950.2757HB02WD01.33000.07480.27500.6145WJB4ZSL3.33010.02280.66650.08222.4 自由网平差坐标 序号点名纬度(D:M:S)经度(D:M:S)椭球高(m)点位中误差中误差 (m)中误差 (m)中误差 (m)1EP1127:48:35.73861N106:54:43.20029E885.92190.00090.00040.00040.00072EP1227:48:12.65638N106:54:10.59163E921.01250.00090.00040.00040.00073HB0227:48:21.16727N106:54:53.39854E882.10050.00180.00070.00080.00154WD0127:48:14.65514N106:54:51.77741E900.99190.00130.00060.00050.00105WJB427:49:09.46639N106:54:23.11418E897.42780.00160.00060.00070.00136ZSL327:48:48.35357N106:54:41.47344E892.25790.00140.00060.00060.00113 二维平差 3.1 平差参数 迭代次数：2网的参考因子： 0.9998向平移： -6.8022米 向平移： -113.2538米比例： -7.5473ppm 旋转： -0.7118秒3.2 平面距离平差值 起点终点N error(m)中误差 (m)E error(m)中误差 (m)平距方位角中误差 (m)相对误差EP11EP12-702.65500.0000-898.94800.00001140.9783231.98730.00001:HB02-451.05130.0009275.19560.0008528.3747148.61180.00121: WD01-651.13680.0007229.04720.0006690.2476160.61990.00091: WJB41043.20300.0007-540.57560.00071174.9444332.60730.00101: ZSL3388.77400.0007-43.82810.0006391.2367353.56800.00091: EP12HB02251.60370.00091174.14360.00081200.798777.90520.00121: WD0151.51820.00071127.99520.00061129.171087.38500.00091: WJB41745.85800.0007358.37240.00071782.260011.60000.00101: ZSL31091.42900.0007855.11990.00061386.523538.07820.00091: HB02WD01-200.08550.0010-46.14840.0009205.3385192.98780.00131: WJB4ZSL3-654.42890.0008496.74750.0008821.6054142.79950.00121: 基线最弱边相对中误差 起点终点N error(m)中误差 (m)E error(m)中误差 (m)平距方位角中误差 (m)相对误差HB02WD01-200.08550.0010-46.14840.0009205.3385192.98780.00131: 3.3 平面坐标 序号点名NE中误差 (m)误差椭圆中误差 (m)中误差 (m)E(m)F(m)ET(D:M:S)1EP11.8780.1350*2EP12.2230.1870*3HB02.8267.33060.00120.00110.0006142:17:210.00090.00084WD01.7412.18220.00090.00070.0005150:19:150.00070.00065WJB4.0810.55940.00100.00080.000748:06:050.00070.00076ZSL3.6520.30690.00090.00070.000631:08:520.00070.0006最弱点平面中误差 序号点名NE中误差 (m)误差椭圆中误差 (m)中误差 (m)E(m)F(m)ET(D:M:S)3HB02.8267.33060.00120.00110.0006142:17:210.00090.00084 高程拟合 4.1 平差参数 迭代次数：2网的参考因子：1549.3762参考点：EP11 H = H0 + AA = 7.684124.2 拟合坐标 点名正高(m)中误差 (m)EP11893.6060EP12928.7350HB02889.80410.0192WD01908.69560.0192WJB4905.13140.0192ZSL3899.96160.01925 平差总结 5.1 最终平面距离平差值 起点终点N error(m)中误差 (m)E error(m)中误差 (m)平距方位角中误差 (m)相对误差EP11EP12-702.65500.0000-898.94800.00001140.9783231.98730.00001:HB02-451.05130.0009275.19560.0008528.3747148.61180.00121: WD01-651.13680.0007229.04720.0006690.2476160.61990.00091: WJB41043.20300.0007-540.57560.00071174.9444332.60730.00101: ZSL3388.77400.0007-43.82810.0006391.2367353.56800.00091: EP12HB02251.60370.00091174.14360.00081200.798777.90520.00121: WD0151.51820.00071127.99520.00061129.171087.38500.00091: WJB41745.85800.0007358.37240.00071782.260011.60000.00101: ZSL31091.42900.0007855.11990.00061386.523538.07820.00091: HB02WD01-200.08550.0010-46.14840.0009205.3385192.98780.00131: WJB4ZSL3-654.42890.0008496.74750.0008821.6054142.79950.00121: 基线最弱边相对中误差 起点终点N error(m)中误差 (m)E error(m)中误差 (m)平距方位角中误差 (m)相对误差HB02WD01-200.08550.0010-46.14840.0009205.3385192.98780.00131: 5.2 最终坐标平差值 点名xy正高(m)平面中误差中误差 (m)中误差 (m)中误差 (m)EP11.8780.1350893.6060*EP12.2230.1870928.7350*HB02.8267.3306889.80410.00120.00090.00080.0192WD01.7412.1822908.69560.00090.00070.00060.0192WJB4.0810.5594905.13140.00100.00070.00070.0192ZSL3.6520.3069899.96160.00090.00070.00060.0192最弱点平面中误差 点名xy正高