影响GPS PPK无验潮水深测量精度的几个因素  

Some Elements Eeffecting the Accuracy of GPS PPK Hydrographic Surveying Without Tidal Observation

作　　者：吴炳昭[1] 张振艳[2] 

机构地区：[1]海军司令部航海保证部,天津300042 [2]海军海洋测绘研究所,天津300061

出　　处：《海洋测绘》2006年第1期29-33,共5页Hydrographic Surveying and Charting

摘　　要：针对作用距离、数据同步、姿态、声速等因素对全球定位系统动态后处理(GPS PPK)无验潮沿岸水深测量精度的影响进行了讨论,分析了GPS PPK无验潮水深测量作业模式消除涌浪影响的机理,对姿态传感器的测量和安装精度以及GPS天线与测深仪换能器相对位置的量测精度等提出了定量要求。It discusses in detail the influence of some original elements such as operating distance, data synchronization,carrier＇s attitude and velocity of sound on the accuracy of GPS post-processing kinematic （PPK） hydrographic surveying without tidal observation. Then the mechanism of how the effect of turbulent waves on depth measurements is removed due to the application of GPS PPK is analyzed. And finally some quantitative demand on the observation and installation accuracy of attitude sensor and the measurement accuracy of relative position between GPS＇s aerial and depth-sounder transducer are suggested.

关 键 词：全球定位系统 动态后处理 水深测量 精度 涌浪 

分 类 号：P228.4[天文地球—大地测量学与测量工程]