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本文简要介绍了地物二向性反射的概念及其与地物三维空间结构之间的关系。本文建议在建立高分辨率地物波谱数据库的同时,开展不同类型地物BRDF模型的研究。否则耗资巨大的数据库仍不能有效地应用于结构千变万化的环境遥感。
This article briefly introduces the concept of the two-dimensional reflection of terrestrial objects and its relationship with the three-dimensional structure of terrestrial objects. In this paper, we propose to develop a BRDF model of different types of terrain while establishing a high-resolution geomagnetic spectrum database. Otherwise, the huge database can not be effectively applied to remote sensing of the ever-changing structure.