查询词典 spectrum distribution

It is shown that although statistical distribution of relative velocity between two atoms has no impacts on the line shape of LICET spectrum, it has certain impacts on the peak value of collision cross section.

分析表明，两原子之间相对运动速度的统计分布虽然不影响激光感生碰撞截面的谱线线型，但对碰撞截面的峰值大小有一定的影响。

Novel grad attenuation was designed based on the size and intensity distribution of tested field for not exceeding limen of CCD and avoiding the spectrum information loss at tested field edge.

为防止CCD接收光强过饱和及待测场边缘光谱信息的损失，根据待测场的大小和光强分布设计了梯度衰减片，再通过窄带滤波片获得了待测场的光谱信息。

LoranˉC ; modern signal processing ; highˉorder spectrum ; Wigner ˉVill distribution

罗兰C ；现代信号处理；高阶谱；维格纳变换

In order to obtain spectrum intensity distribution inside a circular luminant without damage,a measuring method depending on Abel transform was developed.

为了在无损状态下获得圆截面发光体内部谱线强度空间相对分布，提出了利用Abel变换，将被检对象外部的逐层扫描数据通过3次样条函数方法数值求解，从而得到被检对象内部参数分布情况的实验方法。

In the last section, the molecular weight and distribution of the samples after the hydrolysis are determined by Mass spectrum.

在对水解以后的样品的分子量及其分布的研究中，采用质谱法进行测量。

of infrared spectrum on-line pattern recognition of mixed gas distribution based on SVM［J］.

基于SVM的混合气体分布模式红外光谱在线识别方法［J］。

In chapter 7, the 2D-distribution of the clutter spectrum in non-sidelooking phased array airborne radar varies with cell range (this can be often called as clutter range dependence), which this kind of nonhomogeneity resulted by range dependence is more serious especially in short range.

第六章提出了一种基于最大似然估计的动目标检测的非均匀方法，首先利用自回归方法对雷达接收数据进行时域白化处理，然后利用最大似然方法逐距离单元估计目标回波幅度，最后由估计结果与自适应门限比较得到检测结果。

The main spatial and temporal distribution features of pentad precipitation in rainy season from 1991 to 2000 over Yunnan Province (84 stations) are analyzed by means of the principal component analysis method. The features of lowfrequency fluctuation are analyzed by the noninteger technique of power spectrum. The relation between lowfrequency fluctuation and El Nino and precipitation in rainy reason of Yunnan Province are studied.

应用主分量方法分析了云南省84站1991～2000年雨季(5～10月)逐候降水量的主要时空特征，并用非整波技术分析了所提取的第1，第2主分量频谱分布的低频振荡特点，同时分析了低频振荡现象与El Nino事件及云南雨季降水多，少之间的关系。

Therefore, firstly, the techniques to determine the gapstate density and distribution of a-Si: H films: the photoconductivity spectrum technique and the phase-shift analysis of modulated photocurrent technique, have been described.

由于a-Si：H薄膜的光电性能在很大程度上取决于带隙定域态的密度及分布，所以本论文首先详细描述了a-Si：H薄膜的隙态密度及分布的测量技术—光电导谱技术和调制光电流相移分析技术。

The microdosimetric spectrum and radial dose distribution of 16O＋ particles with energy 109 keV generated from small low energy heavy ion accelerator permeating through PET film (C10H8O4) with thickness of 4 μm are measured by the cylindrical tissue-equivalent proportional counter.

用圆柱型流气式组织等效正比计数器测定了K-200 kV低能重离子加速器提供的低能16O＋离子束流在穿过4 μm厚的PET（C10H8O4）薄膜后的微剂量谱和径向剂量分布。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。