Since the accurate and safe landing of the guidance carrier⁃based aircraft needs know the actual spatial position of the aircraft,a positioning method of distance intersection is proposed. The coordinate positions of three points are known to find the coordinate of the measured point,and it can be solved by using laser range⁃finder to measure the distances between the unknown point and the three known points,which is called the positioning method of distance intersection applied with laser range⁃finder. The two different iterative methods of distance intersection positioning are studied,and the two solutions are ana⁃lyzed. The combined solution is proposed to solve the practical problems. The application range of distance intersection positioning method is provided. The validity of the proposed method was verified by combining with a practical example.%针对引导舰载机准确安全地着舰需要清楚舰载机真实的空间位置的需求，提出距离交汇的定位方法。已知三个点的坐标位置，求待测点的位置，可通过激光测距机测出三个已知点到待测点的距离，采用激光测距机进行距离交汇的定位方法，研究距离交汇定位的两种不同迭代解法，并分析两种解法，提出采用混合解法解决实际问题，给出距离交汇定位方法的适用范围，最后结合实例说明距离交汇定位法。
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