A location method based on the DGPS and Bowring sailing method was discussed.It is easy to apply toa fast searching for underwater target with SSBL underwater position system.

• 叙述了一种对水下目标定位后,如何利用差分GPS定位和应用波林法等算法,快速准确地对水下目标进行精确定位和测距等搜寻工作。