CAJ | 학술논문

GPS测量技术已日趋成熟和完善，但其在平面测量中的精度高，高程测量中精度低的特点也越来越受到关注。本文结合实际工程项目对GPS高程拟合方法进行分析，重点对平面拟合法与曲面拟合法进行了应用实例分析及精度评定，探讨了已知点选取的位置、数量等因素对精度的影响。通过实例结果分析表明，在本区域GPS高程拟合中，两种方法均能满足精度要求，且曲面拟合精度更优。
GPS측량기술이일추성숙화완선，단기재평면측량중적정도고，고정측량중정도저적특점야월래월수도관주。본문결합실제공정항목대GPS고정의합방법진행분석，중점대평면의합법여곡면의합법진행료응용실례분석급정도평정，탐토료이지점선취적위치、수량등인소대정도적영향。통과실례결과분석표명，재본구역GPS고정의합중，량충방법균능만족정도요구，차곡면의합정도경우。
GPS survey technology has been mature and perfect with the higher precision in the plane survey, but with the lower precision in the height survey. Based on the study on the GPS height fitting method in the practical project, this paper focused on analysis of the plane fitting method and curve-surface fitting method in the practical project, and evaluated the precision of the two methods; then study the location of the selected survey points, and numbers of the points etc how to affect the survey precision. The study result shows that the two fitting methods can meet the precision requirements for the practical project, and curve-surface fitting method has the higher precision.