The spectral reflectance of plant has obvious features.
植物的反射光谱曲线具有显著的特征。
The differential curve of spectral reflectance assumes a hypsochromic shift.
在光谱反射率曲线的微分图上显示出蓝移。
Spectral reflectance from leaves and the differential spectrum were measured.
测定叶片光谱反射率和微分光谱。
The relationship between soil texture, soil ferric oxide and soil spectral reflectance.
氧化铁与土壤质地与土壤反射率的关系。
The spectral reflectance before and after irradiations of electrons was insitu measured.
采用原位测量的手段记录了辐照前后的光谱反射系数。
The spectral reflectance of each test specimen is measured in situ before and after exposures.
在辐照前后对每一个试样的光谱反射系数进行了原位测量。
With a mobile spectral radiometer, spectral reflectance of wheat canopy was observed continuously.
利用便携式冠层光谱仪对小麦进行连续观测获取光谱数据。
The correlation between grain appearance quality and spectral reflectance characteristics were only slight but not significant.
籽粒的外观品质与冠层光谱特征之间的关系不明显。
The results showed that spectral indices have much higher correlation coefficients with fractional cover than does spectral reflectance.
结果表明，光谱指数与覆盖度的相关性远远高于光谱反射率与覆盖度的相关性。
In spectral reflectance reproduction based color correction, the finite dimension model can be employed to condense spectral reflectance.
在基于光谱反射率还原的颜色校正方法中，有限维模型是光谱反射率降维的有效方法。
In some high_precision color reproduction applications, there is a need to obtain spectral reflectance of each point on the objects surface.
一些对颜色重现要求较高的应用领域需要获取目标表面上各点的光谱反射率。
The degradation of optical property was investigated through changes of the spectral reflectance of specimens before and after the irradiation.
通过辐照前后光谱反射系数的变化考察了实验样品的光学性能退化特征。
The study of the spectral reflectance degradation of Al reflective film with glass and metal substrate in space combined environment was carried out.
对玻璃基底和金属基底的铝反射膜在紫外、低能电子、低能质子的综合环境作用下的光谱反射率退化进行了实验研究。
The canopy spectral reflectance were gradually getting larger in the visible region and smaller in the near infrared region as the growth stage went on.
冠层光谱反射率随发育期推移在可见光范围内逐渐增大，在近红外区域逐渐降低；
This paper constructs some water-depth retrieval models of Xiyang water area based on the field data of depth and MODIS image data of spectral reflectance.
本文利用西洋水域的MODIS影像光谱数据与现场测量的水深数据建立多种统计相关模型进行分析研究。
Spectral reflectance characteristic of vegetation was introduced. The advantage and disadvantage of several vegetation indexes in common use were summarized.
介绍了植被的光谱特征，概述了几种常见的植被指数及其优缺点。
It can gives color difference of objects based on semispherical spectral reflectance in visible and near infrared wave bands measured by its internal spectrometer.
它利用其内置的光谱仪可测得可见-近红外波段反射物体的半球空间的反射比，继而可反演出物体的色度特性。
The relationship between soil surface moisture and soil spectral reflectance as well as evaluation of several inversion method of soil surface moisture from reflectance;
土壤表面湿度与土壤反射率的关系及其土壤表面湿度的几种反射率反演方法的评价；
An example of the practical use of the instrument to measure the spectral reflectance of partially vegetated surfaces in an area of complex terrain in southern Italy is presented.
文书的实际用途来衡量一个复杂的地形在意大利南部地区的部分植物表面的反射光谱实例。
Based on ground spectral reflectance data obtained at the west bank of Dongqing, Zhujiajian, Zhoushan Island in October 7-15, 1981, the mean-reflectance and mean-square-error were calculated.
根据1981年10月7—15日在舟山朱家尖东清西滩实测的地物光谱反射率资料，求平均反射率和均方差。
The research was conducted to determine the relationships of sugar and nitrogen status and its ratio in wheat leaves to canopy spectral reflectance under different nitrogen and water supply levels.
在不同土壤水氮条件下，研究了小麦中后期叶片碳氮状况及其比例与冠层光谱反射特征的关系。
The spatial reflected characteristic and spectral characteristic from optical material surfaces were effectively described by the BRDF (Bi-directional Reflectance Distribution Function).
双向反射分布函数(BRDF)有效地描述了材料表面的空间反射特性和光谱特性。
Spectral selective absorbing coating is a kind of special coating with high absorptance in vis-near infrared wavelength and high reflectance in infrared wavelength.
光谱选择性吸收涂层是一种具有对可见-近红外光高吸收、对红外光高反射的特种涂层。
The measurement principle of the surface material property of spatial attitude sensor is introduced, including spectral diffuse reflectance and the relative reflectance distribution in space.
论述了空间姿态敏感器表面材料测量的基本原理，即光谱漫反射基本原理和光谱相对空间反射分布测量原理。
The local maximum and minimum in reflectance spectral curve, corresponding to reflectance apex and Absorption apex, can be used to retrieval also, but effective matching strategy should be adopted.
基于光谱特征的检索可以通过提取反射和吸收光谱、光谱特征匹配的方法进行；
Mean solar spectral irradiance of satellite is an important parameter for the computation of appearance reflectance.
卫星图像波段平均太阳辐照度是计算表观反射率的重要参数。
Mean solar spectral irradiance of satellite is an important parameter for the computation of appearance reflectance.
卫星图像波段平均太阳辐照度是计算表观反射率的重要参数。
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