基于秩亏自由网平差的导航型GPS在农业方面的应用  

Application of Navigation Type GPS in Agriculture Based on Rank-defect Free Net Adjustment

作　　者：杨云词[1] 王建雄[1] 张程虹 

机构地区：[1]云南农业大学水利水电与建筑学院,云南昆明650201 [2]四川冶金地质勘查局测绘工程大队,四川成都610000

出　　处：《安徽农业科学》2013年第11期5144-5144,5150,共2页Journal of Anhui Agricultural Sciences

摘　　要：通过秩亏自由网平差原理对导航型GPS测量的坐标进行平差,可以大幅提高导航型GPS测量精度,且导航型GPS廉价、便携且测量迅速,可以提高导航型GPS在农业测量方面的实用性。Through the principle of rank-defect free net adjustment,the adjustment of navigation type GPS coordinates was conducted,which can significantly improve the measuring accuracy of navigation type GPS.The navigation type GPS also has characteristics of cheap,easy carrying and rapid.The study can improve the practicability of navigation type GPS in agriculture measurement.

关 键 词：秩亏自由网平差 导航型GPS 农业应用 

分 类 号：S126[农业科学—农业基础科学]