CAJ | 학술논문

基于载波相位差分技术的北斗／GPS双模定位系统，提出能够精确定位用户位置的完整相对定位算法。文中详细分析卫星导航的定位监测机理，开发北斗／GPS数据融合的双模式信号采集系统。利用星站在历元间的距离增量为参考值来检测周跳，给出判断周跳的标准。对整周模糊度确定的问题进行研究，给出利用LAMBDA法来快速搜索整周模糊度的算法，编写监测点三维位置的定位监测程序。基于上海司南接收机北斗／G PS相对定位实验得到的数据，验证给出双模导航系统的精确性、可用性和可靠性。
기우재파상위차분기술적북두／GPS쌍모정위계통，제출능구정학정위용호위치적완정상대정위산법。문중상세분석위성도항적정위감측궤리，개발북두／GPS수거융합적쌍모식신호채집계통。이용성참재역원간적거리증량위삼고치래검측주도，급출판단주도적표준。대정주모호도학정적문제진행연구，급출이용LAMBDA법래쾌속수색정주모호도적산법，편사감측점삼유위치적정위감측정서。기우상해사남접수궤북두／G PS상대정위실험득도적수거，험증급출쌍모도항계통적정학성、가용성화가고성。
Based on carrier phase difference technology ,a Compass/GPS dual-mode positioning system has been researched .A complete algorithm from processing source data to the final result is presented .The mechanism of satellite system has been analyzed .A signal acquisition system based on Compass/GPS data fusion is developed .A method that can detect cycle slip has been proposed ,w hich uses increased distance between star and station in different epochs as the reference value ,and then the standard used to determine cycle slips has been given .The determination of the ambiguity is studied ,and a fast search method named LAMBDA for ambiguity is presented .Observation data from Shanghai Sinan is computed to verify the accuracy ,validity and reliability of the system .