摘要
随着GPS技术的不断发展,RTK技术的出现,以及计算机技术的高速发展,使得平面定位技术实现了高精度、自动化、数字化、实时化,而随着测深技术的数字化、自动化,为水下地形测量的数字化、自动化提供了基础,为工程水文勘测提供了先进的手段。本文就全自动数字水下地形测量系统的组成、工作原理、作业方法进行了介绍,并根据工程实际,对其测量精度、误差源进行了分析。
With the increasing development of GPS technology,emergence of RTK,and rapid development of computer technology,high accuracy,automation,digitalisation and real time have been realised.Digitalisation and automation of sounding technology lay the foundation for digitalisation and automation of underwater topography measurement,provide advanced means for hydrology survey.The composition,working principle and operating method of underwater topography measurement system are introduced and its accuracy and causes of error are analysed.
出处
《长江工程职业技术学院学报》
CAS
2011年第2期20-22,共3页
Journal of Changjiang Institute of Technology
关键词
RTK
GPS
数字测深仪
全自动数字水下地形测量系统
RTK GPS
digital probing instrument
automatic digital underwater topography measurement system