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- Visible spectral reflectance 可见反射光谱
- 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。
- Panchromatic film (Pan film): Photographic materials having an emulsion which is sensitive to all visible spectral colors. 全色菲林:能感应光谱上所有可见光的颜色的照相材料。
- 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。
- Abstract : Bacterial ferritin from Azotobacter vinelandii has qualitative characteristic absorption peaksin the visible spectral region. 摘要 : 棕色固氮菌细菌蛋白在可见光谱区中有定性的特征吸收峰。
- Visible spectral radiant intensity measuring system was developed aiming at the demand of spacecraft safety and hypervelocity impact phenomena. 针对航天器防护技术及超高速碰撞物理现象研究需要,为超高速碰撞靶研制了超高速碰撞光谱辐射强度测量系统。
- 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。
- 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;
- Recently, pulses with 4fs duration have been generated by noncollinear phase-matched optical parametric amplifier pumped by 400nm in BBO crystal in the visible spectral range. 目前,通过400nm泵浦的BBO晶体非共线I类相位匹配光参量放大获取的最窄脉冲已达4fs。
- 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;
- 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。
- Differential optical absorption spectroscopy (DOAS) technique has been used to measure trace gases in the atmosphere by their strongly structured absorption of radiation in the UV and visible spectral range, e.g. SO_2, NO_2, O_3 etc. 差分吸收光谱技术(differential optical absorption spectroscopy,DOAS)是利用气体分子在紫外-可见光谱范围的特征吸收来测量其浓度含量,如SO2,NO2,O3等。
- 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。
- 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。
- Among the color correction methods based on spectral reflectance reproduction, the finite dimension model is an effective way 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。
- 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。
- In optical character recognition, the spectral appearance of the image dependent upon the spectral reflectance of the image, the spectral response of the observer, and the spectral composition of incident light. 在光学字符识别中,图象的光谱显现,它取决于图象的光谱反射系数、观察者的光谱响应和入射光线的光谱成分。
- In optical character recognition,the spectral appearance of the image dependent upon the spectral reflectance of the image,the spectral response of the observer,and the spectral composition of incident light. 在光学字符识别中,图象的光谱显现,它取决于图象的光谱反射系数、观察者的光谱响应和入射光线的光谱成分。