The function on signal amplitude density distribution is clearly defined.
明确给出了信号幅值密度分布函数的定义。
Nucleon density distribution is one of the most important characters of an atomic nucleus.
核子密度分布是原子核的一个重要性质。
A laser pulse can modify the electron's state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron s state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
Moire tomography is applied to measure the complex density distribution in supersonic wind tunnel.
使用叠栅层析技术解决超音速风洞中复杂密度场的测量难题。
The influence of non-uniform flow and particle density distribution on the simulation results was discussed.
分析了流体的非稳态流动及颗粒的密度分布对模拟结果的影响。
The results show that the density distribution of ion and electron is similar to electric field distribution.
结果表明，在电离的初始阶段，电子、离子密度分布与场分布同步。
The aim of this paper is to simulate the external shape and internal density distribution of proximal tibia.
目的，进行胫骨上端内部结构和外部形状的模拟。
A new analysis method is proposed for calculating the flux density distribution on focal plane of solar concentrators.
提出一种计算太阳能聚光器聚光焦斑能流密度分布的新方法。
The density distribution and main mineral composition of the deposit in the Yangtze River at Fuling area are analysed.
本文介绍了长江涪陵段沉积物的密度分布及主要矿物组成；
The external shape and internal density distribution simulated are close to the realistic structure of proximal tibia.
结果，模拟的胫骨上端的外部形状和内部结构与真实结构十分接近。
The electron and ion density distribution and the electrostatic potential change a little in an oblique magnetic field.
在倾斜磁场中，电子和离子密度分布以及静电势的变化非常小。
The focusing properties of a space-charge lens depend on the size, shape and density distribution of its electron cloud.
空间电荷透镜的聚焦特性决定于其电子云的大小、形状和密度分布。
Average density and density distribution of electron and resonance Xenon are presented to study the process of discharge.
研究了放电过程中各单元内电子、氙谐振态浓度分布和其平均浓度随时间的变化情况。
The result shows that the density distribution of the crust and upper mantle along this profile is evidently heterogeneous.
结果表明，该剖面的地壳-上地幔密度分布具有明显的不均匀性。
The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed.
提出了在强流直线加速器中，由空间电荷束团的密度分布所引起的非线性效应。
This paper analyses the affection of different laser power density distribution to surface temperature rising during laser scanning.
分析了激光扫描时激光功率密度分布状况不同对表面温升的影响。
The existing two-dimensional spot-array designed as uniform density distribution cannot satisfy application requirements completely.
现有的二维点阵光束按强度均匀分布设计，不能完全满足应用要求。
This paper reports the result of direct observation of shooting process with high speed camera and the density distribution of the cores.
本文利用高速摄影直接观察的方法对射砂过程进行了研究，同时还对砂芯内的密度分布进行了测试。
By numerical analysis, a series of curves are given to describe the magnetic flux density distribution character of the flat spiral coil.
通过数值分析，给出了一系列描述平面螺旋线圈磁场分布特性的曲线，讨论了线圈结构对磁场分布的影响规律。
The EB scanning track, scanning frequency and energy density distribution at heating zone could be programmed off-line and adjusted on-line.
利用该系统可对电子束扫描轨迹、扫描频率以及加热区域电子束能量密度的分配进行离线编辑和在线调节。
The results showed that shielded screen can regulate the magnetic flux density distribution to assure melt in ideal state in forming inductor.
结果表明：屏蔽罩能够调节成形感应圈内的磁场分布，使成形感应圈内的熔体处于合理状态；
The effect of plasma thickness, wave frequency, electron number density distribution on it is almost independent of the wave polarizing direction.
等离子体厚度、入射波频率、电子数密度分布对功率反射系数的影响几乎与波的极化方向无关。
Under the condition of quasi-equal level condition, density distribution of homogeneous layers are conflict with the real Earth density distribution.
在参数椭球的“准等位条件”下，匀质分层的密度分布并不符合地球的实际密度分布。
The earth free oscillation can be used to constrain structure of the earth interior, including velocity, discontinuity as well as density distribution.
用地球的自由振荡研究地球内部结构、速度间断面、密度分布等具有射线理论不可替代的优点。
A calculation strategy for the recovery of density distribution by the shape observations is presented and proved by piecewise linear interpolation method.
采用分段线性插值法，给出了由形状观测离散值反求密度分布的计算方法，并给出了算例。
The use of moments for image analysis is straightforward if we consider a binary or gray level image segment as a two-dimensional density distribution function.
若把二值图或灰度图看作是二维密度分布函数，就可把矩技术应用于图像分析中。
Based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.
从雷达杂波的分布特性出发，分析了杂波的解析模型，阐述了雷达杂波幅度的概率密度分布及其功率谱密度分布。
The paper is based upon Aero-Optics theory, pursuing the methods and realization for measuring the density distribution of transient flow field in wind tunnel test.
本论文基于气动光学理论，研究在流场试验中检测高速瞬态流场密度分布的方法与实现。
The Present article has described the dependence of sizing dimension accuracy on the density distribution of sintered compacts and the tensile strength of materials.
阐述了烧结体密度分布与精整尺寸精度的关系，材料抗拉强度与精整尺寸精度的关系；
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