摘要
GPS-RTK技术在水下地形测量中具有实时、快捷、方便和精确的特点,但是如果没有电台或网络信号支持,GPS-RTK技术就无法实施。通过"时间记录"确定测深仪与GPS-PPK两套独立系统测量数据的对应关系,组成"人工GPS-PPK测深系统",能够在无电台或网络信号的情况下,得到精度接近于GPS-RTK技术的测量结果。阐述了人工GPS-PPK测深系统的组成方法及其测量原理,并用实例说明该方法测量水下地形简单可行,精度可靠,效率较高,易于推广。
In underwater topographic survey, the GPS-PPK technique possesses a number of features such as real time, speediness, convenience, accuracy and so on. However, if there is no radio or network signal, GPS-PPK technique does not work. Depth sounder and GPS-PPK constitute the Artificial Sounding System. The two sets of independent systems are connected by time. The Artificial Sounding System can measure accurately as GPS-RTK under no radio or network signals. The paper expounded the composing method and measuring principle of the Artificial Sounding Sys- tem. It explained that the method was simple and feasible, accurate and reliable, highly efficient and easy to be spread by examples of the applica- tion.
出处
《人民黄河》
CAS
北大核心
2013年第5期128-130,共3页
Yellow River
基金
国家自然科学基金资助项目(51279214)
国家水体污染控制与治理科技重大专项(2012ZX07529-004)
