城市勘测
城市勘測
성시감측
URBAN GEOTECHNICAL INVESTIGATION & SURVEYING
2014年
4期
101-103
,共3页
GPS高程拟合%平面拟合%精度比较%网形结构
GPS高程擬閤%平麵擬閤%精度比較%網形結構
GPS고정의합%평면의합%정도비교%망형결구
GPS height fitting%comparison of precision%the net shaped structure
针对在已知水准点距离较远且联测有困难的情况下,提出了运用GPS高程平面拟合的方法来进行高程传递,通过理论阐述,结合具体工程实例,得出了在控制点分布和网形结构合理的情况下,GPS高程平面拟合法可以代替四等水准测量,并对以后的类似工程提供了参考和建议。
針對在已知水準點距離較遠且聯測有睏難的情況下,提齣瞭運用GPS高程平麵擬閤的方法來進行高程傳遞,通過理論闡述,結閤具體工程實例,得齣瞭在控製點分佈和網形結構閤理的情況下,GPS高程平麵擬閤法可以代替四等水準測量,併對以後的類似工程提供瞭參攷和建議。
침대재이지수준점거리교원차련측유곤난적정황하,제출료운용GPS고정평면의합적방법래진행고정전체,통과이론천술,결합구체공정실례,득출료재공제점분포화망형결구합리적정황하,GPS고정평면의합법가이대체사등수준측량,병대이후적유사공정제공료삼고화건의。
The control points are scarce or conjunction level difficult circumstances ,was studied by using the method of GPS elevation plane fitting instead of four leveling ,through theory and practice ,the methods are described ,engineering application using the geometric leveling data collected and measured data obtained on the GPS control network as the known data ,elevation fitting through the net shaped structure different ,carries on the analysis to the result of comparison , conclusion and suggestion .