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一、引言在地球资源遥感中,由航空光谱辐射计收集到的数据不仅可以辅助遥感数据的解释,提高数据解释效果和精度;而且,这些数据本身也可以直接用来研究各类地物的光谱特征,监视地面覆盖物的生长状况和变化情况,给有关生产和管理部门提供相应的信息,以便他们作出科学的判断和正确的决策。众所周知,地面上的许多资源(例如,森林和矿藏)都处于山区,或其它环境偏僻、交通不便的地区,这就给用地面光谱辐射计搜集它们的光谱数据带来了许多困难。研究者不得不把野外采集的样品带回实验室进行测试,或者把采集的样品堆积在一起用辐射计测量。这
I. INTRODUCTION In the remote sensing of Earth’s resources, the data collected by the aeronautical spectrum radiometer can not only help the interpretation of remote sensing data and improve the data interpretation effect and accuracy; moreover, these data can also be directly used to study the spectrum of various kinds of ground objects Characteristics, monitoring the growth of ground cover conditions and changes in the relevant production and management departments to provide appropriate information so that they make a scientific judgments and the right decision-making. It is a well-known fact that many of the resources on the ground, such as forests and mineral deposits, are located in mountainous areas or in other remote and inaccessible locations, which presents many difficulties in collecting their spectral data with terrestrial spectral radiometers. Researchers have to bring samples collected in the field back to the laboratory for testing or to collect the collected samples together using a radiometer. This