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双GPS定位定向系统
引用本文:王先全,吴敏,董淳,庄秋慧.双GPS定位定向系统[J].重庆工学院学报,2008,22(3):5-8.
作者姓名:王先全  吴敏  董淳  庄秋慧
作者单位:重庆工学院电子信息与自动化学院 重庆400050(王先全,董淳,庄秋慧),重庆工学院重庆汽车学院 重庆400050(吴敏)
摘    要:针对GPS载波相位测量相对定位可以达到毫米级精度,利用GPS载波相位测量方向可以达到较高精度的情况,在阐述了载波相位双差测量方向的原理、坐标系变换和应用最小二乘法解算基线矢量的基础上,讨论了快速解算整周模糊度的算法.测试表明,该算法达到了设计指标.

关 键 词:GPS  载波相位  整周模糊度

Research on Dual-GPS Positioning and Orientating System
WANG Xian-quana,WU Minb,DONG Chuna,ZHUANG Qiu-huia.Research on Dual-GPS Positioning and Orientating System[J].Journal of Chongqing Institute of Technology,2008,22(3):5-8.
Authors:WANG Xian-quana  WU Minb  DONG Chuna  ZHUANG Qiu-huia
Affiliation:WANG Xian-quan~a,WU Min~b,DONG Chun~a,ZHUANG Qiu-hui~a
Abstract:The relative positioning precision based on GPS carrier-phase measuring can achieve minimeter level.Also,the high precision can be obtained in measuring direction with it.This paper introduces firstly the theory of direction measuring using Double-Differential carrier-phase and the transformation coordinate system.Secondly,the baseline vector is calculated using least-squares method.Finally,algorithms for fast solving Integer ambiguity are analyzed in detail especially.Tests show that the algorithm meet designated index.
Keywords:GPS  carrier-phase  integer ambiguity
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