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spectral reflective ratio 光谱反射率
With an ETM+ image of the same period of 2000 as assistant, the paper calculates and draws the spectral reflective curve to identify the change area. 并用一景同期ETM+图像作为辅助数据计算湖区地物光谱反射率曲线以辅助分类。
spectral reflective characteristic of green plant 绿色植物的反射光谱特性
Fig1.The curve of reflective ratio 1反射率曲线
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 Influence of Different Grazing Intensity on the Near-ground Spectral Reflectance of Leymus chinsesis Steppe. 不同放牧强度对羊草草原近地面反射波谱特征的影响研究。
The spectral reflectance and concentration of chlorophyll-a are measured instantaneously in the Fuhai Lake. 在圆明园福海同时进行光谱测量与叶绿素测定。
On the basis of these experiments, the revised formula was deduced to ena ble the revised apparent reflectance ratio identical with that of sample. 在此基础上,推导出修正公式,使修正后的表观反射率与样品的实际表观反射率相一致。
The results showed that leaf nitrogen accumulation was exponentially related to leaf SPAD values and linearly related to canopy spectral reflectance. 结果表明，小麦抽穗后叶片氮积累量也叶片SPAD值、冠层反射光谱分别呈显著的指数和线性相关；
A good explanation was got by using the theory that the P-polarized light and the S-polarized light have different amplitude reflectance ratio ... 于是将传统的牛顿环等厚干涉推广到可同时演示光的偏振,扩大了牛顿环的教学与技术应用范围。
These results indicate that leaf SPAD values and canopy spectral reflectance are good indicators of quality formation dynamics in wheat grains. 因此，叶片SPAD值和比值指数可以用来预测单位土地面积上小麦籽粒生长过程中蛋白质和淀粉的积累动态。
In order to retrieve aerosol particle size distribution over land, the spectral reflectance information of the surface water is needed. 摘要为了利用水面进行大气气溶胶粒子尺度分布的反演，需要水体光谱反射率资料；
A ray split-off and tracing approach is presented to analyze the apparent spectral reflecting performance of a semitransparent fluid layer with undulant surface. 摘要提出一种计算具有波状表面的半透明流体层光谱反射特性的光线分裂跟踪法。
First-order and second-order spectral derivatives have been taken to the CASI data to suppress the effects of the soil background on the forest spectral reflectances. 对CASI数据进行一阶和二阶微分处理,以减少土壤背景光谱对森林光谱的影响。
Forage canopy spectral reflectance measurements (350nm to 2500 nm) were made weekly using ASD Fieldspec in eight random spots in each of the three pastures. 试验选择3个草场,每个草场随机选取8个观测点,每周用ASD Fieldspec收集饲草的冠层反射率的数据(波段从350nm到2500nm)。
In this paper,the feature spectra of spectral reflectance of 50 cases Munsell color cards and 50 cases birch leaves are abstracted by ICA and PCA separately. 文章分别使用ICA和PCA对50例Munsell色卡的光谱反射比和50例桦树叶的光谱反射比进行特征光谱的提取。
It was found that the light reflecting ratio at a given wavelength range would decrease with the increase of moisture content of kraft pulp and the decrease would be greater at the longer wavelength. 结果表明:在指定波段内纸浆的光反射率受到硫酸盐纸浆水分含量(纸浆浓度)的影响,随着纸浆水分的增加,纸浆的光反射率下降,在长波长处的光反射率降幅大于短波长处;
The results indicated that effects of cadmium and copper in soil on physiological properties and spectral reflectance of rice were the most significant at tillering stage. 结果表明,镉和铜拌土生长的水稻在分蘖期受到的影响最明显,无论是在生理上还是在反射光谱方面变化都比较显著。
He has to reflect on what answer to give. 他得思考一下如何答复。
The near-ground spectral reflectance of vegetation influenced by different grazing intensity for Leymus chinsesis steppe were measured and analyzed in the growth season, 1996. 测试并分析了在生长季节不同放牧强度(无牧、中轻度和重度放牧)对羊草草原植被反射波谱特征的影响。