Underwater GPS Positioning System 水下GPS定位系统
With the development of theory and technology, the matched field passive location and the bearings-only TMA based on association of multiple sensors have attached importance, including the research on the underwater GPS.
随着理论与技术的发展以及需求的牵引，匹配场被动定位方法和多基阵联合的纯方位被动跟踪方法的研究，近年来受到了重视，此外还包括各种水下GPS的应用方法研究。
参考来源 - 水下动目标被动跟踪研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
A CSAC clock continues to function when GPS signals are blocked, making it incredibly useful deep underground or underwater.
这样芯片大小的原子钟即使在全球定位系统被阻断的情况下也能继续使用，如此这般，原子表在深入地下或水中时尤其有用。
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.
为了实现水下载体高精度的定位，GPS声纳浮标需解决两个方面的技术难点：高精度的系统时钟同步和定位信号的高精度时延估计。
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