用于地面反射率空间测量的大气建模，包括双向特性。

Atmospheric modeling for space measurements of ground reflectances, including bidirectional properties.

作者信息

Tanre D, Herman M, Deschamps P Y, Leffe A

出版信息

Appl Opt. 1979 Nov 1;18(21):3587-94. doi: 10.1364/AO.18.003587.

DOI:10.1364/AO.18.003587

PMID:20216655

Abstract

A fairly accurate analytical expression of the measured reflectance is established for the general case of a non-Lambertian and nonuniform ground by separating the atmospheric and surface effects. The signal is nearly linear in the function of intrinsic atmospheric reflectance, the actual target reflectance, and two average ground reflectances, angular and spatial, to be defined. Contrast reduction by the atmosphere, defined in the cases of Lambertian and directional ground reflectances, has been evaluated using this formulation.

摘要

通过分离大气和地表效应，针对非朗伯体且非均匀地面的一般情况，建立了测量反射率的相当精确的解析表达式。该信号在固有大气反射率、实际目标反射率以及待定义的角向和空间两种平均地面反射率的函数中近似呈线性。利用此公式评估了在朗伯体和定向地面反射率情况下定义的大气造成的对比度降低。