A quality factor is somewhat like a craterpocked surface in a multidimensional space. 一个品质因数有点象多维空间中的一张布满洞穴的表面。
Multidimensional space angle method for alteration information abstraction from vegetation covered area has been presented in the light of spectral angle mapping in this paper. 摘要基于光谱角制图法,提出运用多维空间角度方法来提取植被覆盖较好区域的遥感图像蚀变信息。