摘要
提出了GPS信号受到干扰条件下确定整周模糊度的一种方法。这种方法将惯导伪距作为待定点目标位置的近似值,代入双差相位测量方程里,推导出误差项,通过最小二乘算法得到实数解的整周模糊度,再通过搜索找到正确的整周模糊度,仿真结果表明,该方法能有效地联合惯导和GPS测量量,两者测量量相互补充,使定位精度达到厘米级。
Depicts whole process of solving the integer ambiguity and presents a kind of algorithm which regard INS's output as the target's approximate position. And achieves a real root of integer ambiguity from the LeastSquare solution.Then the right integer ambiguity can be searched through the searching way. The simulation results show that the positioning accuracy reach centimeter's level.
出处
《制导与引信》
2003年第4期50-53,共4页
Guidance & Fuze
