A wave front intersection positioning method used for long-base line AUV navigation system is presented.The principles, numerical algorithm, solving equation are analyzed.

• 摘要本文提出在长基线自治水下机器人导航定位系统中用波阵面进行定位的方法，即用射线理论求出波阵面，用波阵面相交求出目标位置。