Taking Lake Taihu as the study area, the field reflectance spectrum was measured, and the in-situ water samples were collected and analyzed in the lab.
以太湖为研究区域,对太湖水体的水面反射光谱进行实地测试,并取样在实验室进行水质分析;根据光谱分析得到的悬浮物特征波段,估测悬浮物浓度;最后,对比MODIS波段,用最敏感波段及主成分分析法建立悬浮物估测模型。
In quantitative measurement of skin color,tristimulus values were obtained based on reflectance spectrum.
在皮肤颜色的定量测量中,颜色三刺激值是基于反射光谱获得的,而与反射光谱相比,荧光发射光谱可以反映皮肤组织更深层结构的信息。
From the reflectance spectrum characteristic of green vegetation, we found that the basic shape of the spectrum can be used as prior knowledge in the .
针对绿色植被反射光谱的特点 ,指出植被反射光谱曲线的相对位置关系可以作为先验知识应用到对植被结构的反演中 ,提出了在绿光、红光和近红外波段重新构造光谱参数 ,并利用波段差值和比值描述光谱先验知识进而反演树冠结构参数的方法。
Deriving inherent optical properties through training samples with known concentration of water constituents and reflectance spectra
基于水体反射光谱和组分浓度的固有光学特性反演算法
Reflectance spectra in the visible and near-infrared wavelength region provide a rapid and inexpensive means for determining the mineralogy of samples and obtaining information on chemical composition.
反射光谱学提供了一种高效和低成本的鉴别物质成分和结构的方法;油气微渗漏理论则建立了油气藏与其上部地表的特定异常之间的因果关系。
This paper analyzed the possibility of reflectance spectra obtained under laboratory conditions for the assessment of Pb,Cd and Hg content in soil quickly.
本文利用实验室实测的土壤反射光谱以及铅、镉、汞等重金属元素数据,进行土壤重金属元素含量快速预测的可行性研究。
A research of thickness measurement of nano-porous alumina films based on reflection spectrum;
纳米多孔氧化铝薄膜厚度的反射光谱测量方法研究
With Taihu Lake as the area of study,the reflection spectrum of water body and water quality of surface layer of Taihu Lake were detected,and the spectrum characteristics of chlorophyll were analyzed.
以太湖为研究区域,测试水体的反射光谱和表层水质并分析叶绿素的光谱特征,对比MODIS波段并找出与叶绿素a质量浓度相关性较好或对叶绿素a质量浓度变化较为敏感的波段,根据主成分变换后的MODIS图像色调对太湖进行分区并分别用主成分、单波段及波段组合因子建立各区内相应的叶绿素a质量浓度估测模型。
The reflection spectrum of Methyl Red doped PMMA was measured and modified.
测量了偶氮染料甲基红掺杂PMM A薄膜的反射光谱,并对测量结果进行了修正。
The reflective spectrum response function of fiber grating is deduced when it is subjected to the uneven strains.
最后 ,对非均匀应力场作用下反射光谱的变化做出了解
It is found that:(1) the reflective index is firstly enhanced and then reduced with the increase of incident wavelength,and the reflective spectrum exhibits a tendency of collapse with the increase of porosity;(2) the porous silicon dielectric spectrum is bmue-shifted and the real and imaginary parts are reduced with the increase of.
采用改进过的Maxwell-Garnett模型研究了入射光波长和多孔硅的孔隙率对反射光谱和介电光谱的影响,结果表明:(1)随着入射光波长的增大,多孔硅的反射率先增大后减小,而随着孔隙率的增大反射光谱出现了明显的下塌趋势,且孔隙率越大下塌得越明显;(2)随着孔隙率的增加,多孔硅复介电光谱出现明显的蓝移现象,且多孔硅有效介电常数的实部和虚部均变小。
When optical fiber bragg grating (FBG) sensors are subject to nonhomogeneous strain, the response of FBG reflective spectrum is due to nonhomogeneous variation of both the fiber core index and the grating pitch.
在光波导耦合模理论的基础上,建立了布拉格光纤光栅在非均匀应变场下反射光谱的分析数学模型,利用龙格 库塔法对其进行了数值求解。
The absorption spectra and reflection spectra turned abruptly at the fundamental absorption edge of doped-HgI2, 520urn, before and after UV-irradiation.
在基本吸收边５２０ｎｍ处，紫外辐照前后涂层的吸收光谱和反射光谱本身及其相对变化都发生明显的转折。
A special system was designed to measure the reflection spectra of ZnO films deposited on Si substrates at vertical incidence.
采用正入射的方法研究了生长在硅基片上的氧化锌薄膜的反射光谱,测量出氧化锌薄膜的光学吸收边在370nm,所对应的能量值为3 35eV。
The excitation and reflection spectra of Sm 2+ in CsSmI 3 in solid state were reported.
报道了三元低价稀土碘化物CsSmI3中Sm2 + 的激发光谱、反射光谱 ,根据J1 Гn 能级分裂的相关理论确定了Sm2 + 在CsSmI3化合物中的超精细能级结构 ,并利用此能级结构对激发光谱和反射光谱进行了指
Research progress in crop yield estimation models based on spectral reflectance data;
基于光谱反射信息的作物单产估测模型研究进展
The effect of light on the spectral reflectance of six tree species of broad-leaved Korean pine forest in Changbei Mountain
长白山红松阔叶林主要树种光谱反射特征对光环境的响应
The features of the spectral reflectance of the lake showed that,in infra-red wavelength range,the correlation between the spectral reflectance and the suspended matter content and the correlation between t.
利用高光谱地物光谱仪在巢湖进行了反射光谱测量和同步水质采样分析,在分析巢湖水体反射光谱特征的基础上,分别研究了悬浮物浓度与水体光谱反射率和光谱反射率的一阶微分之间的关系,结果表明在近红外波段范围,单波段反射率和一阶微分光谱反射率都与悬浮物的浓度有较好的相关性,而且利用微分光谱估算内陆水体悬浮物浓度有较大潜力。
Theoretical Study of the Tissues Reflectance and the Autofluorescence Spectra;
激光照射下组织漫反射光谱与自体荧光光谱研究
Application of Reflectance and Fluorescence Spectroscopies in Diagnosis and Treatment of PDT for Port Wine Stain;
反射光谱与荧光光谱技术在鲜红斑痣光动力诊疗中的应用
spectral reflective characteristic of green plant
绿色植物的反射光谱特性
Quantitative relationships between leaf area index and canopy reflectance spectra of summer maize
夏玉米LAI与冠层反射光谱的定量关系
Review of Digital Ground Object Spectral Library
数字化地物反射光谱数据库研究进展
Unique Optical Reflection Spectra of Bivalve Nacre and Its Origin
珍珠层独特的反射光谱特征及其成因
Reflection spectrum of Cercon zirconia
Cercon氧化锆材料的反射光谱
Determination of NH_3-N in waters by solid phase coloration-reflectance spectroscopy
水体中氨氮的固相显色—反射光谱测定
Reflectance and Fluorescence of Vitiligo Skin and Its Monte Carlo Simulation;
白癜风皮肤的反射光谱和荧光光谱及其蒙特卡罗模拟
Fiber optics reflectance spectroscopy and its application advancement in the conservation of cultural relics;
光导纤维反射光谱法及其在文物保护中的应用
Application of Polarized Reflectance Spectroscopy in Biomedical Photonics
偏振反射光谱在生物医学光子学中的应用
Effect of the Light Elevation Angle on Soil Reflective Spectrum Characteristics
光照高度角对土壤反射光谱特性的影响研究
Analysis of Reflectance Spectroscopy of the Typical Species in the South Based on the Spectral Measurements
基于光谱测量的南方典型树种反射光谱特征分析
relative spectral directional reflectance
相对光谱定向反射比
constant angle reflection interference spectroscopy
恒定角反射干涉光谱学
spectral reflectance of arboreal species
乔木手的光谱反射率
They could look at the spectra of the light the moons reflected.
他们可以观察月亮反射的光的光谱。
They can look at the spectra of the light the moon reflect
他们可以观察月亮反射的光的光谱