查询词典 density function

On the base of 3D CAD software's fast modeling and meshing function, three kinds of radomes is modeled and meshed by tetrahedron firstly. And then the coefficients of electric flux density are received by fast moment method based on VIE.

本文首先借助三维CAD软件几何建模技术及网格离散技术，建立了三种结构的天线罩实体模型并用四面体单元离散，接着利用快速VIE-MoM计算出天线罩罩体区域的体极化电流，最终得到在罩体影响下的天线的远场辐射特性。

The is related to the frequency dependent absorption cross section and the density and spatial distribution of atoms in the lower level of the transition. Position dependent 5P3/2 state densities had been combined with the collisional broadening rate 5P3/2 5S1/2 line due to both helium and cesium perturbers to yield the .The effective radiative rates of the Rb D2 line as a function of the He pressure PHe were obtained . The fluorescence intensity I780 of the 5P3/2 5S1/2 emission was measured simultaneously.

由于辐射陷获存在，有效辐射率是自然辐射率与透射因子（发射的光子在探测区域内没有被吸收的平均概率，它与吸收截面及激发态原子密度和空间分布有关）的乘积。5P3/2原子密度及其空间分布结合5P3/2 5S1/2跃迁线的碰撞增宽计算了透射因子，从而得到了不同He气压下，Rb D2线的有效辐射率。

The amplitudes of high dosage treatment group was higher than that of low dosage treatment group (P.05).CONCLUSIONS:Hirudin could prevent PVR from being formed or developing and had protective function on retina,whose mechanism related to the decrease of density of PDGF in vitreous body.

水蛭素能抑制PVR的形成和发展，对视网膜有保护作用，其作用机制与减少玻璃体中血小板源性生长因子的浓度有关。

Dynamic pressure is a function of velocity and air density, which in turn is dependant upon altitude and temperature.

动态压力是一个功能的速度和空气密度，而这又是取决于海拔高度和温度。

Its main mechanism of action is that XLGB could enhance the biomechanics response accommodate function of macrostructure os integumentale, increase femoral diameter, aggrandize area of the bone cortex, augment torsional section modulus and rectangular section modulus, and enhance the density of bone mineral substance in ovariectomized rats.

仙灵骨葆能够提高股骨宏观结构的生物力学应答调节功能，使股骨干外径增粗，皮质骨面积增加，骨丢失减少使股骨结构的抗弯、抗扭截面模数增大，使骨的力学结构优化，骨强度提高。

We also study the Husimi distribution of the excited squeezed vacuum state.The theoretical calculation of Husimi function can help experimentalists to judge the quality of the experiment. We solve the problem of the density matrix for two interacting particles with kinetic coupling by using the bipartite entangled state representation.

作为纠缠Husimi算符理论的应用，我们计算并作图研究了单双模组合压缩态的Wigner函数和Husimi函数及其特性；计算并作图研究了激发压缩真空态的Husimi函数及其特性。

In order to obtain infrared spectral radiance distribution of some infrared sources, such as spectral radiant flux density, spectral radiant intensity, spectral radiance and spectral irradiance, the instrument response function under different conditions must be known.

在应用红外发射光谱来获得某些红外源的绝对光谱能量数据，如辐射源光谱辐射通量密度、辐射源光谱辐射强度、辐射源光谱辐射亮度及光谱辐射照度等时，需要得知不同条件下的仪器响应函数。

Based on the modeling theory of the equivalent probability density error model(marked as "Tepdem") and the numerical algorithm,this paper provides an approach on how to ascertain a point location with the highest coordinates precision between both of the adjacent characteristic points on a generic curve accurately by use of the theory of function extremum as well as the iterative algorithm,and it also provides the method on how to obtain the least width of "Tepdem" exactly,from which,the explanation of geom...

基于等概率密度误差模型建模原理和数值算法，运用函数极值理论和迭代方法来求解平面一般曲线上两相邻特征点间位置精度最高的点，以精确确定误差模型的最小带宽，从理论上给出等概率密度误差模型的几何特征，从而进一步完善矢量GIS的位置不确定性理论。通过实例计算与可视化分析，验证了理论推导的正确性。

In this paper, using Dirac function and statistical theory, we calculate the state density in Debye model.

摘要利用狄拉克δ函数和统计理论，分别计算态密度在德拜模型下的表达式。

Based on the results, there is an increase in total emergy input from 1.126×10^22 to 1.661×10^22 seja(-1), with an ob-served increase in total emergy output from 5.002×10^20 to 1.383×10^22 seja^(-1) for 1952~2005. Ecological function potential drops from 54.08% to 37.02% and the basic population capacity increases from 199 400 to 315 100. Emergy self-support ratio drops from 74.58% to 54.13%, while emergy investment ratio increases from 34.0% to 85.0%. Emergy density increases from 1.34×10^11 to 1.97 ×10^11 sejm^(-2) and emergy/money ratio decreases from 4.93×10^14 to 1.81×10^13 sej$^(-1). There is an increase in environment load ratio and net energy yield ratio from 0.85 to 1.70 and from 0.18 to 1.82 respectively.

结果表明，1952~2005年期间，阿坝州农业生态系统总能值投入从1.126×10^22 seja^(-1)增加到1.661×10^22 seja^(-1)，总能值产出从5.002×10^20 seja^(-1)增加到1.383×10^22 seja^(-1)，生态功能潜力从54.08%下降到37.02%，人口基本承载力从19.94万人增加到31.51万人，能值自给率从74.58%下降到54.13%，能值投资率从34.0%上升到85.0%，能值密度从1.34×10^11 sejm^(-2)上升到1.97×10^11 sejm^(-2)，能值货币比率从4.93×10^14 sej$(-1)降低到1.81×10^13 sej$(-1)，环境负荷率从0.85上升到1.70，净能值产出率从0.18上升到1.82，可持续发展指数从0.20增加到1.07。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。