精选优质文档-倾情为你奉上1.1 What is Remote Sensing?So, what exactly is remote sensing? For the purposes of this tutorial, we will use thefollowing definition:Remote sensing is the science (and to some extent, art) of acquiring information about the Earths surface without actually being in contact with it. This is done by sensing and recording reflected or emitted energy and processing, analyzing, and applying that information.1.1什么是遥感？那么，究竟什么是遥感？这篇教程的目的，我们将使用下面的定义：“遥感科学（在某种程度上，艺术）获取地球表面信
