对目前提出的光谱指数用以提取叶片叶绿素含量的适应性进行了分析和评价。
At leaf level, we analyzed the applicability of the spectral indices when applied to chlorophyll.
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。
The results showed that spectral indices have much higher correlation coefficients with fractional cover than does spectral reflectance.
结果表明，其中的虫害光谱指数（DSI）最适用于反映研究区芦苇受蝗虫危害的程度。
The results show that among those indices the locust damage spectra index(DSI) is one which is mostly suitable to use in indicating the intensity of locust damage in the study area.
结果表明，利用土壤养分和光谱数据划分的管理分区内，各土壤养分的均一度得到了提高，光谱指数和产量的变异系数普遍降低。
The result showed that the homogeneous degree of the soil nutrient was increased, the variability of spectral index and the yield were reduced in the management zone divided by soil data.
该地图是根据NASA泰拉(Terra)卫星的中分辨率成像光谱仪(MODIS)的植被指数数据制作的。
The maps are based on vegetation index data from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.
测试晶体的吸收光谱、指数增益系数、衍射效率和有效载流子浓度。
The absorption spectra, exponential gain coefficient, diffraction efficiency and effect carrier concentration of the crystal were measured.
用不同电场强度处理辣根过氧化物酶，测试电场处理前后的紫外-可见光谱和酶的活力指数。
After the horseradish peroxidase (HRP) was treated with different strengths of electric field, the HRP and activity index were assayed by ultraviolet-visible spectra.
LED贴片日光灯，灯光饱和、柔和、光谱纯正，超高亮度，显色指数高，是新型的照明产品。
LED lighting saturated, patch fluorescent lamp, downy, spectrum pure, high brightness, show color index is high, is the new lighting products.
在此基础上分析了不同氮素水平冬小麦生育期内的光谱植被指数的变化，并分析了农学参数与植被指数之间的相关性。
Furthermore, the variation of spectral vegetation index of winter wheat under different nitrogen levels and the correlation between agronomic parameters and spectral variables were analyzed.
根据草地植被的光谱特征，整理目前常用于草地监测的植被指数。
According to spectrum characteristics of various grassland vegetations, vegetation indexes were settled which are often applied in grassland monitoring nowadays.
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
采用热重分析（TGA）、红外光谱分析（FTIR）、氧指数测定和垂直燃烧实验，研究了所合成的膨胀型阻燃剂对聚丙烯的阻燃作用。
Thermal gravimetric analysis(TGA), FTIR, Limited oxygen index(LOI) and vertical firing test are used to research the flame retardancy of the intumescent flame retardant on PP.
道路密度指数分析法有两类方法：基于光谱—空间结构的分类后比较法和基于光谱—空间结构的图像差值法。
The road density index analysis has two ways: the post-classification compare method based on spectral-spatial structure and the imagery difference method based on spectral-spatial structure.
又分别测定了这两种矿的组成、红外光谱、二氧化碳指数、晶格常数和比表面积等。
We have also determined the chemical compositions, infra red spectrum, CO2 indexes, lattice constants and specific surfaces etc.
由所得到的透射光谱推导出吸收指数k。
Through transmission spectrum mensurated during the experiment, the absorption - coefficient K is obtained.
通过对雪的光谱特征分析，提出利用归一化积雪被指数NDSI结合归一化植被指数进行积雪信息提取的方法。
By analyzing the spectrum characteristic of snow, a method of extracting snow information was suggested based on index of NDSI and NDVI.
利用近红外光谱法测定了烷烃分子的分子连接指数，并探讨了混合烃分子连接指数与单烃分子连接指数之间的关系。
The molecule connecting index of hydrocarbon is measured by using NIR, and the relationship between the index of mon and multi hydrocarbon have been studied.
这表明，用微分光谱技术与植被指数方法来监测水稻的色素含量和长势应该是可行的。
This proves that it is feasible to use the technology of derivative spectrum and the method of vegetation index to monitor the pigment concentration and growth of rice.
基于这三种赤潮藻的活体叶绿素荧光激发光谱，通过计算光谱相似性指数对其进行识别。
In this paper in vivo fluorescence excitation spectra were measured and the discrimination method of the red tide algae was established by the similarity index of spectra.
文中采用模糊识别的绝对值指数法对高光谱图像进行识别分类，并对分类结果进行像元级的评价。
The article used absolute exponent as one of the methods of fuzzy diagnosis to identify and classify hyperspectral images, then evaluated precision of classification result based on pixel level.
改性硫酸钙晶须产品采用活化指数、接触角、扫描电子显微镜、X射线衍射和红外光谱分析进行表征。
Modified calcium sulphate whiskers are characterized with active exponent, contact Angle, SEM, X-ray diffraction and IR respectively.
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。
Spectral reflectance characteristic of vegetation was introduced. The advantage and disadvantage of several vegetation indexes in common use were summarized.
术中应用近红外分光光谱仪（NIRS）经皮连续监测脑组织氧合指数（TOI）变化。
Near-infrared spectroscopy (NIRS) was used to continuously monitor the cerebral tissue oxygenation index (TOI) percutaneously.
采用逐步多元线性回归方法和指数模式分析法，进行了高光谱土壤含水率定量反演。
Quantitative inversion model of soil moisture content was carried out by using the stepwise multiple linear regression and exponential analysis.
通过分析水稻叶片氮含量与冠层光谱反射率及植被指数之间的相关性和定量关系，测试并评价便携式作物氮素监测仪的工作性能。
The correlations and the quantitative relationships between LNC and rice canopy reflectance spectra were analyzed, and the performance of portable nitrogen monitoring instrument was evaluated.
通过红外光谱计算的结晶度指数表明竹原纤维的结晶度仅次于苎麻纤维。高于亚麻纤维和棉纤维。
Calculated by IR crystallinity index showed that the crystallinity of bamboo fiber after the fiber, higher than the flax fiber and cotton fiber.
通过红外光谱计算的结晶度指数表明竹原纤维的结晶度仅次于苎麻纤维。高于亚麻纤维和棉纤维。
Calculated by IR crystallinity index showed that the crystallinity of bamboo fiber after the fiber, higher than the flax fiber and cotton fiber.
应用推荐