摘要本次毕业设计的地形图测量方案主要是结合实际情况从图根控制网的设计布设开始,进行GPS静态测量,获得控制点的控制坐标,然后对控制点所在路线进行四等水准测量,求出各控制点的高差,从而计算出各个控制点的高程
最后通过RTK对碎步点进行采集,对所采集的数据进行点校正转换成国家2000大地坐标系的坐标,运用CASS软件进行绘图处理并生成图幅
关键词:GPS静态测量,二等水准测量,RTK,点校正AbstractThisgraduationprojecttopographicmapmeasuringprogramismainlystartingfromtheactualsituationmappingcontrolnetworkdesignlayout,staticmeasurementsofGPS,thecoordinatesofthecontrolpointstogaincontrol,thenthecontrolpointislocatedonthefourthlevelingroute,findheightofthecontrolpointstocalculatetheheightofeachcontrolpoint
FinallyRTKScatteredpointofcollection,thedatacollectedwillbeconvertedintothecoordinatepointcalibration2000nationalearthcoordinatesystem,usingtheCASSsoftwareforgraphicsprocessingandgenerateframes
Keywords:GPSstaticmeasurements,twoleveling,RTK,pointcorrection
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