静态实习D级GPS控制网技术总结

桂林理工大学土木与建筑工程学院—测绘08-1班PAGEPAGE3桂林理工大学土木与建筑工程学院—测绘08-1班桂林理工大学08级测绘工程GPS测量实习D级GPS控制测量专业技术总结桂林理工大学二O一O年十二月桂林理工大学08级测绘工程GPS测量实习D级GPS控制测量专业技术总结编写单位：桂林理工大学测绘08-1班第三测量小队编写者：周*2010年审核意见：审核者：年月日桂林市七星区D级GPS控制测量专业技术总结一．项目概况为巩固课堂学习的理论知识，将理论与实践有机结合，提高理论水平与外业操作能力；熟练掌握GPS静态测量作业模式及运用TGO软件处理静态测量数据，我们开始了此次测量实习。桂林市位于广西省北部，测区内平均高程为海拔150米。测区内道路成网，道路纵横交错，四通八达，交通便利，便利了测绘工作的开展。测区为桂林市七星区，位于风景秀丽的漓江东畔，测区控制范围大致位于110°17′-110°18′，北纬25°15′-25°18′之间。测区北部﹑东部临普陀路，南部至龙隐路及甲天下广场，西临建干路和穿山路，地势比较平坦，但建筑物多，通视条件较差。二、已有成果资料具体利用资料如下：1、技术设计书一份；2、测区周边的C级GPS控制网点两个（羊角山点、屏风山点）；三、作业依据与技术要求本实习执行如下国家和行业标准规范及设计书：《全球定位系统（GPS）测量规范》（GB/T18314-2001）；《测绘技术总结编写规定》（CH/T1001-2005）；《城市测量规范》（CJJ8-99）；《测绘技术应用于规范管理实用手册》；《测绘产品检查验收规定》（CHl002-95）；《测绘产品检查评定标准》（CHl003-95）；《GPS控制测量技术设计书》；设计书未涉及的内容，按以上标准执行。四、平面系统和高程系统1、平面坐标采用北京54坐标系，3°分带、中央子午线为110°。2、高程为1985国家高程基准。五、D级GPS控制点的布测本测区共有12个待测点，共布设15个同步观测环，联测起算点C级GPS控制网点2点，分别是：D001（屏风山）、D002（羊角山）。控制网如图所示：1、测量设备类型（软硬件）及人员投入情况1.1、7台经检测合格的双频接收机GPS接收机（3台中海达V8，4台南方S86）；1.2、基线解算软件TGO1.60；1.3、平差软件TGO1.60；1.4、作业人员32人；1.5、调度员1人；2、GPS静态观测此次像控点采用GPS静态相对定位技术测量，观测要求如下：2.1、卫星高度角≥13°；2.2、PDOP值≤6；2.3、有效观测卫星总数≥4颗；2.4、数据采样间隔为15秒；2.5、每个时段观测时间长度≥120分钟；2.6、平均设站数2；野外数据采集完毕后，采用随机软件进行数据下载处理，在转换成Rinex格式后，采用TGO1.60进行基线解算和网平差。并进行精度评定，符合各项限差要求。3、网点布测心得3.1、埋石点处视野要开阔，卫星高度角符合规范，易架仪器及仪器不易被行人车辆碰到；3.2、量仪器高时量取的部分要符合规范；3.3、输入点号时要确保无误；3.4、施测前要做好整体的规划；六、内业数据处理1、数据格式转换外业观测后及时输入计算机,并进行外业数据的检查再转换为转换成标准的RINEX格式数据。2、基线处理闭合环节点:3闭合环数目:265通过的数目:265失败的数目:0长度水平垂直PPM通过/失败指标0.030m0.080m最佳0.000m0.000m0.041最差0.020m-0.071m71.106平均闭合环3758.496m0.006m-0.001m6.79标准偏差2322.104m0.005m0.020m10.4673、WGS-84无约束平差平差网格坐标用...报告误差1.96.点名称北坐标纵轴误差东坐标横轴误差高程高程误差固定D0052797682.359m0.001m430604.412m0.001m不适用不适用D0032797956.316m0.001m430547.269m0.001m不适用不适用D0072797308.445m0.002m429177.040m0.001m不适用不适用D0062799483.469m0.002m429744.677m0.002m不适用不适用D0022797286.668m0.002m431757.571m0.001不适用不适用D0082795477.543m0.002m429923.264m0.002m不适用不适用D0112798037.046m0.002m432751.642m0.002m不适用不适用D0092797729.590m0.002m430783.414m0.001m不适用不适用D0042797945.016m0.001m430555.184m0.001m不适用不适用D0122797263.120m0.002m4290.001m不适用不适用D0012797937.391m0.002m430882.479m0.001m不适用不适用D0102799094.489m0.008m430499.485m0.005m不适用不适用平差大地坐标用...报告误差1.96.点名称纬度纵轴误差经度横轴误差高度高度误差固定D00525°17'01.26555"N0.001m110°18'40.35651"E0.001m162.290m0.00D00325°17'10.15835"N0.001m110°18'38.26382"E0.001m164.995m0.007mD00725°16'48.87448"N0.002m110°17'49.41068"E0.001m139.478m0.007mD00625°17'59.64880"N0.002m110°18'09.29381"E0.002m141.203m0.006mD00225°16'48.59816"N0.002m110°19'21.64319"E0.001m194.749m0.007mD00825°15'49.50498"N0.002m110°18'16.41988"E0.002m143.129m0.007mD01125°17'13.14401"N0.002m110°19'57.03811"E0.002m147.362m0.007mD00925°17'02.83017"N0.002m110°18'46.74560"E0.001m159.526m0.007mD00425°17'09.79247"N0.001m110°18'38.54879"E0.001m165.263m0.009mD01225°16'47.53793"N0.002m110°18'18.19338"E0.001m138.878m0.008mD00125°17'09.59919"N0.002m110°18'50.24830"E0.001m216.881m0.010mD01025°17'47.13566"N0.008m110°18'36.34664"E0.005m136.838m0.056m坐标变化量点名称北坐标东坐标高程高度大地水准面差距D0050.000m0.000m不适用0.000m不适用D0030.000m0.000m不适用0.000m不适用D0070.000m0.000m不适用0.000m不适用D0060.000m0.000m不适用0.000m不适用D0020.000m0.000m不适用0.000m不适用D0080.000m0.000m不适用0.000m不适用D0110.0.000m不适用0.000m不适用D0090.000m0.000m不适用0.000m不适用D0040.000m0.000m不适用0.000m不适用D0120.000m0.000m不适用0.000m不适用D0010.000m0.000m不适用0.000m不适用D0100.000m0.000m不适用0.000m不适用点误差椭圆D005D003D007刻度尺寸:0.0100m

水平二元变量标量:2.45

\t-\t-\t-垂直一元变量标量:1.96D006D002D008刻度尺寸:0.0100m

水平二元变量标量:2.45

\t-\t-\t-垂直一元变量标量:1.96D011D009D004刻度尺寸:0.0100m

水平二元变量标量:2.45

\t-\t-\t-垂直一元变量标量:1.96D012D001D010刻度尺寸:0.0100m

水平二元变量标量:2.45

\t-\t-\t-垂直一元变量标量:1.964、北京54约束平差平差网格坐标用...报告误差1.96σ点名称北坐标纵轴误差东坐标横轴误差高程高程误差固定D0052797682.359m0.000m430604.413m0.000m不适用不适用北东高度D0032797956.316m0.002m430547.266m0.002m不适用不适用D0072797308.427m0.009m429177.039m0.008m不适用不适用D0062799483.469m0.011m429744.655m0.012m不适用不适用D0022797286.677m0.008m431757.581m0.007m不适用不适用D0082795477.525m0.013m429923.286m0.014m不适用不适用D0112798037.070m0.014m432751.647m0.012m不适用不适用D0092797729.590m0.001m430783.417m0.001m不适用不适用D0042797945.018m0.000m430555.182m0.000m不适用不适用北东高度D0122797263.111m0.005m429982.142m0.004m不适用不适用D0012797937.393m0.002m430882.479m0.002m不适用不适用D0102799094.492m0.008m430499.471m0.009m不适用不适用平差大地坐标用...报告误差1.96.点名称纬度纵轴误差经度横轴误差高度高度误差固定D00525°17'00.45211"N0.000m110°18'39.62998"E0.000m173.800m0.000m纬度经度高度D00325°17'09.34473"N0.002m110°18'37.53719"E0.002m176.502m0.004mD00725°16'48.06065"N0.009m110°17'48.68516"E0.008m150.987m0.002mD00625°17'58.83416"N0.011m110°18'08.56704"E0.012m152.711m0.002mD00225°16'47.78537"N0.008m110°19'20.91619"E0.007m206.255m0.002mD00825°15'48.69233"N0.013m110°18'15.69471"E0.014m154.636m0.003mD01125°17'12.33124"N0.014m110°19'56.31014"E0.012m158.873m0.003mD00925°17'02.01671"N0.001m110°18'46.01903"E0.001m171.027m0.003mD00425°17'08.97893"N0.000m110°18'37.82219"E0.000m176.748m0.000m纬度经度高度D01225°16'46.72444"N0.005m110°18'17.46742"E0.004m150.383m0.004mD00125°17'08.78568"N0.002m110°18'49.52155"E0.002m228.390m0.004mD01025°17'46.32146"N0.008m110°18'35.61960"E0.009m148.340m0.006m坐标变化量点名称北坐标东坐标高程高度大地水准面差距D0050.000m0.000m不适用0.000m不适用D003-0.001m0.000m不适用0.001m不适用D0070.000m0.006m不适用0.001m不适用D006-0.007m0.002m不适用0.001m不适用D0020.002m-0.004m不适用0.001m不适用D0080.008m0.005m不适用0.002m不适用D0110.001m-0.009m不适用0.003m不适用D0090.000m0.000m不适用0.000m不适用D0040.000m0.000m不适用0.000m不适用D0120.001m0.003m不适用0.001m不适用D001-0.001m-0.001m不适用0.001m不适用D010-0.006m0.