查询词典 spectral analysis

Analysis of spectral data for 13CNMR of sixteen strychnos alkaloids.

马钱子中16个生物碱类化合物13CNMR谱的数据分析。

Spectral data analysis was used to establish that the supersaturated solution was clear, prior to the addition of the seeds, and to confirm that the solute concentration was indeed in the desired range of operation.

光谱数据分析方法，建立明确的饱和溶液，加上此前的种子、和溶质浓度，以证实确实是在预期的范围内运行。

In this paper, the texture features analysis is introduced to the material classification in the coastal zone, and a method was developed based on the fusion of spectral and textural information.

本文在海岸带地物分类过程中，引入了纹理特征分析，发展了一种基于光谱和纹理特征融合的滩涂信息提取方法。

The principle of MUSIC algorithm and theoretical analysis of the spectral separate frequency and frequency detection threshold are included. MUSIC algorithm compared with FFT based algorithm for harmonic frequency estimation using matlab simulation platform .

给出了MUSIC算法的基本原理，对MUSIC算法的频谱分辨能力和频率检测门限进行了理论分析，在Matlab仿真平台下对MUSIC算法和FFT算法的频率估计性能进行了比较。

Target transformation factor analysis was used to correct spectral interference in inductively coupled plasma atomic emission spectrometry for the determination of rare earth impurities in high purity thulium oxide.

将目标因子分析用于电感耦合等离子体原子发射光谱分析对高纯氧化铥中稀土杂质的测定及光谱重叠干扰校正。

The analysis results show that the relationship of the phase plate's Fourier spectral T2 and the far field distribution variance is in direct ratio.

利用数值模拟计算了随机生成的两个波前分别通过两个位相屏后的远场分布，模拟结果证实了位相屏用于随机相位畸变激光束匀滑的可行性，并显示了匀滑效果。

Integrity Analysis and Assessment of the Chemical Constituents of Abrus Cantoniensis Materia Based on FTIR KONG Dexin,HUANG Rongshao,WANG Yibing,CHEN Zhicheng,HUANG Shushi1.Lab of Biophysics,Guangxi Academy of Sciences,Nanning 530003,China;2.College of Agronomy,Guangxi University,Nanning 530003,China;3.College of Physcis and Electronic Engineering,Guangxi Nrmal University,Gulin 541004,ChinaAbstract:ObjectiveTo investigate the spectral characteristic and the difference of constituents of different parts of Abrus cantoniensis.

鸡骨草Abrus cantoniensis Hance，又名广州相思子、细叶鸡骨草、小叶鸡骨草，为豆科相思子属植物［1］，原产广西、广东等南部省区，以广西的栽培面积最大，是广西的道地药材，其植株含相思子碱、皂苷、黄酮苷、胆碱、甾醇类、氨基酸、糖类化合物等化学成分［2］，药用部位为去除荚果后的干燥全草，具有清热解毒、疏肝止痛之功效，用于治疗黄疸、胁肋不舒、胃脘胀痛、急慢性肝炎等疾病［3］。

But meticulous analysis show chromospheric activity of evolution stars depend on stellar spectral type and effective temperature strongly.

通过主序星的色球活动对恒星色指数不同依赖关系的研究，我们分析了Vaughan—Preston间隙产生的原因，分析结果显示恒星的年龄在这一间隙的形成中扮演了重要的角色。

Using Landsat TM data, based on the spectral character analysis of main land-use types, different feature models under strong land disturbance in Antaibao opencast coal mine were set up. Vegetation higher cover area, vegetation lower cover area, denudation and cumuli area, excavation and transport area and slope area in Antaibao were extracted. The information of areas with higher vegetation cover and lower vegetation cover were detected by NDVI (normalized difference vegetation index).

该研究利用Landsat TM数据，以安太堡大型露天煤矿为例，在对地物光谱特征深入分析的基础上，设计了大型露天矿区土地剧烈扰动下不同地物特征提取模型，提取了安太堡露天矿区植被高覆盖区、植被低覆盖区、剥离堆垫区、采煤运煤区及边坡区等不同地物信息。

The method extends the algorithm of extracting texture to multidimensional and hyperdimensional spectral image analysis, and gives multiscale texture combination algorithm.

利用光谱相似测度对不同类型的纹理进行编码，表征地物的全局纹理特征，将纹理提取的算法扩展到多维光谱图像分析中，提出了多尺度纹理组合算法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。