with the continuous progress of science and technology, this technology has the potential to develop into a kind of highly automated and high-precision topographic survey technology.
随着科学技术的不断进步,该技术有潜力发展为一种高自动化、高精度的地形测量技术。
the data acquisition card selects ni corporation's usb-6210, which provides guarantee for topographic survey with its quickly sampling frequency and highly gathering precision;
数据采集卡选用ni公司的usb-6210型,采样频率快、采集精度高,为系统地形测量提供保障;
based on the study above, a set of underwater topographic survey software was developed.
在以上研究工作的基础上,开发了一套水下地形测量软件。
the software proves to be effective in practice, and will serve to the real underwater topographic survey work.
经实践测试,所开发软件可有效地服务于实际水下地形测量工作。
in this paper the principle of gps underwater topographic survey without tide gauge is first introduced, then the methods of data collection and processing are discussed.
介绍了gps无验潮水下地形测量的原理,探讨了其数据采集与处理方法,并对gps无验潮水下地形测量的精度和特点作了说。
two formulas in topographic survey were researched. its usefulness and accuracy in theory were improved. the author gives some advice to 《the rules of city survey》.
本文对地形测量中两个常用的公式进行了探讨,提高了它们的实用性及理论上的严密性,并对《城市测量规范》提出一点建设性意见。