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Satellite Technologies in Geoinformation Science: Introduction

机译：地理信息科学中的卫星技术：简介

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摘要

Rapid progress in geoinformation science, broadly understood as a variety of geospatial techniques and their research applications, is associated with increasing demand for spatial data. This does not only concern growing needs for new types of spatial information to be processed and interpreted, but also puts an emphasis on high spatial resolution and considerable sampling frequency. Traditional terrestrial techniques for collecting data in geodesy and cartography, although accurate and well-established, cannot serve the purpose of repetitive acquisition of high resolution data covering large areas. Frequent sampling, however, remains a fundamental feature of environmental monitoring projects. Given this context, geoinformation science has intrinsically been employing data and methods offered by satellite or aerial remote sensing and photogrammetry. Associated with this is a fundamental role of satellite technologies which either directly (satellite remote sensing) or indirectly (satellite navigation of various manned or unmanned aerial vehicles for remote sensing or photogrammetry) provide solutions for production of modern spatial data.
机译：地理信息科学的飞速发展，被广泛理解为各种地理空间技术及其研究应用，与对空间数据的需求增加有关。这不仅涉及对要处理和解释的新型空间信息的日益增长的需求，而且还强调了高空间分辨率和可观的采样频率。传统的地面技术在大地测量学和制图学中收集数据，尽管准确且行之有效，但不能达到重复获取覆盖大面积区域的高分辨率数据的目的。但是，频繁采样仍然是环境监测项目的基本特征。在这种情况下，地理信息科学本质上一直在使用卫星或空中遥感和摄影测量技术提供的数据和方法。与此相关的是卫星技术的基本作用，其直接（卫星遥感）或间接（各种载人或无人飞行器的卫星导航，用于遥感或摄影测量）为产生现代空间数据提供了解决方案。

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