查询词典 reflectance

Penuelas J%Filella I The reflectance at the 950～970 nm region as an indicator of the plant water status International Journal of Remote Sensing , 1993,10

杨敏华%赵春江%赵永超%刘良云%王纪华用航空成像光谱数据获取小麦冠层信息的研究 10.3321/j.issn：0578-1752.2002.06.008 中国农业科学， 2002，06

Thus, it is quite necessary to deeply investigate some related problems, such as stray light transfer, stray light analysis and calculation, stray light suppression method, and baffle system design, bi-directional reflectance distribution function of material surface, and accurate quantitative analysis and measurement of stray light performance of optical systems, like point source transmittance etc.

因此，对系统杂光的产生和传输、分析和计算、杂光抑制措施的采用与遮光系统的设计、材料表面BRDF以及系统杂光PST的定量测试等方面进行深入研究，是非常有必要的。

Database was developed using in-situ water components absorption data to analyze the correlationship between absorption coefficients of suspended substances and their concentrations in the water color bands of MODIS and MERIS reflectance,respectively.Based on the bio-optical theory models and the remote sensing retrieval semi-analysis algorithm of Carder-MODIS phytoplankton optical characteristics,the sensitive bands adapting to local water optical characteristics were selected to develop empirical models of inherent optical characteristics,apparent optical parameters and component concentrations.And the remote sensing retrieval of water inherent optical characteristics and concentrations in the Hangzhou Bay at the MODIS band was achieved by this model.

利用实测水体组分吸收数据建立分析数据集，分别分析MODIS与MERIS特征波段水体悬浮物吸收系数与悬浮物浓度和遥感反射率的相关性；在生物光学理论模型的基础上，参考Carder-MODIS浮游植物固有光学性质遥感反演半分析算法，选择适合本地(来源：ABC论7f文网www.abclunwen.com)水体光学特点的特征波段，建立固有光学参数、表观光学参数以及成分浓度之间的经验模型，基于MODIS特征波段实现杭州湾水体固有光学性质及其浓度的遥感反演。

Along with the development of the natural science people deepen the color knowledge gradually, for example, written language description is not contented to the needs in some field, and the need is quantitative analysis. Color index can show the characteristics of color exactly. For adapting the development, the authors use the metal-bearing ore's color index analysis for the first time through reflectance determining and the color-imetry theory, and analyses 4 turquoises' color index in various color. So the color of turquoise is quantitated successfully.

随着自然科学的发展，对颜色的认识不断加深，从定性到定量颜色指数可以准确地描述颜色特征，笔者利用色度学原理，通过反射率测定，首次把金属矿物颜色指数分析方法应用于绿松石，分析了4个不同颜色绿松石的颜色指数，成功地实现了绿松石颜色的定量表示。

With these leaves,data were collected as follows: leaf water content(including Fuel Moisture Content and Equivalent Water Thickness),the corresponding reflectance.

植物中的生化物质都直接或间接地参与生物地球化学循环，在生态系统的物质和能量循环中发挥重要的作用[1，2]。

By elemental anal., molar conductivity, TGA, DSC, and reflectance spectroscopy, all bridged heteronuclear complexes were characterized. Imidazolate bridges exist in the heteronuclear complexes. From the ESR spectra of the bridged heteronuclear complexes in solution, the bond parameters of Cu2+ were calculated and nature of the bond discussed.

对它们进行了元素分析、差热失重分析、摩尔电导测定及反射光谱研究，确证了配合物的组成及分子中咪唑桥的存在，通过对各配合物的ESR谱测定，得到了它们的自旋Hamilton参数和键参数，讨论了配合物的成键性质。

Restoration of paleo-geothermal field based on vitrinite reflectance in strata indicates that the paleo-geothermal of Pre-Permian strata in mineralization district of the Youjiang basin was up to above 280℃, and that of Triassic falls between 150℃ and 250℃.

通过地层中镜质体反射率值对古地热场进行恢复，确定右江盆地成矿区内二叠纪以下地层曾经所达到的古地温在280℃以上。而三叠纪含矿层段所达到的古地温在150℃-250℃之间。

Four spectrum features which are composed of the sums of the reflectance ratio within different wavebands are also extracted. The selected wavebands are 540-570nm, 760-790nm, 791-920nm and 950-1020nm respectively.

特征提取是本课题中最难的部分，也是模式识别的核心部分，关键在于如何从众多的特征中选出最佳的特征组合。

Employment of a neural network in LAI reversions can improve such issues to a certain extent, but the ill-posed nature for canopy reflectance model inversion is yet to be resolved.

神经网络算法的介入可在一定程度上改善这一问题，但是模型反演的病态问题至今仍无法很好地解决。

The surface planishing and 1mm diameter (where the soil sample passing through 1mm standard griddle) are idealer process and appropriate diameter selection for measurement indoor, because they have lesser standard error vector of testing direction and average reflectance in repeated measurements for soil with different texture.

表面压平处理方法及1mm粒径条件下，不同质地的土壤总体上都能获得具有相对较小的测试方向上的标准差向量及多次重复测试反射系数平均值之间的标准差向量，是室内测试较理想的表面处理方法和合适的土壤粒径选择。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了