密度参数

裂隙密度参数增加，有效动弹性模量（E）也减少，弹性波速（Vp，Vs）也减小；

And with the increase of crack density parameter , the effective dynamic modulus of elasticity and the elastic wave velocities decrease ;

离子通道的混合密度参数估计与状态判别

Mixture Density Parameter Estimates and States ′ classificatiion for Ion Channels

基于EM算法的高斯混合密度参数估计

EM algorithm and parameter estimation in Gaussian mixture densities

方法用显微镜通过CCD获取显微医学图像，采用光密度参数进行分析。

Methods Acquisition of medical images were performed by means of CCD under microscope . Optical density was taken as the parameter of analysis .

用纵波AVO数据反演储层裂隙密度参数

Inverting reservoir fracture density using P-wave AVO data

基于对邻近星系Ia超新星的理解，高红移Ia超新星的数据可对宇宙密度参数ΩM、ΩA及减速因子q0作出限制，并对膨胀宇宙的最终命运作出判定。

The data of high-redshift SNe Ia could make constraints on the cosmic density parameters Ω M , Ω A as well as the deceleration factor qo , and hence determining the ultimate fate of our universe .

导体的经济电流密度参数分析

The Calculation Formula Research of Conductor ′ s Economic Current Density

木材生长轮微密度参数测量与自动判读分析

Measure and Auto-Interpret Analyze the Wood 's Mini-Density of Growth-Ring

羊毛衫织物的密度参数与线圈长度的关系

The Relationship between Density Parameters of Woollen Sweater Fabric and Its Loop Length

原子核能级密度参数库的管理-检索系统

Management retrieval system of the level density parameter library

推导出高斯混合密度参数的迭代公式。

We derive iterative formula of the parameters of a mixture of Gaussian densities .

通过改变镀铜工艺中的阴极电流密度参数，测定了所获得镀铜层的硬度及电阻率。

The hardness and rate of resistance of copper electrodeposited were tested under various cathodic current densities .

本文利用速度、密度参数之间的关系，进行地震、重力资料联合反演。

Joint inversion of seismic and gravimetric data can be made by using the rela-tion between velocity and density .

为此提出了一种从地震资料中提取地层密度参数的方法，以提高油气预测效果。

This paper presents a method that extract formation density from seismic data to improve the prediction effect for oil and gas .

根据横波分裂的特点和信息，可以预测地层裂缝发育的方位和密度参数。

The parameters of orientation and density of stratum fracture development can be evaluated based on the character and information of S-wave splitting .

本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。

A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers , such as : the sound velocity , thickness and density .

密度参数的反演，需要远炮检距数据，但动校正拉伸及随炮检距变化的调谐效应使远炮检距的同相轴严重畸变，影响了参数估计的有效性。

In order to estimate reliable density term , long offsets are required . NMO stretch and offset-dependent tuning introduce problematic distortions at these offsets , influencing the validity of the estimated parameter .

实验结果与理论模型计算结果基本一致，说明对于具有一定分布规律的裂隙岩体介质，弹性波在其中传播的速度可以通过裂隙岩体的裂隙密度参数求解得到。

The experiment results are coincident with the theoretical ones , therefore , elastic wave speed in fractured rock mass in which fractures distribute regularly , could be calculated with the fracture density parameters .

理论研究表明，在此裂隙岩体中，有效动弹性参数和弹性波速与裂纹密度参数之间相互的关系均近似成倒数函数的非线性关系；

The theoretical research has shown that , in this kind of cracked rock masses , it will be nonlinear relationships between the effective dynamic parameters of elasticity and wave velocities and the crack density parameter ;

其面积参数、光密度参数值显著高于正常组，灰度参数值显著低于正常组（P<0.01）。

The parameters of area and light density were remarkably higher than those of the control group , and the grey parameter was significantly lower than that of the control group ( P < 0 . 01 ) .

以裂隙岩体的裂隙密度参数在单轴加卸载过程中的不同表达式为基础，建立了裂隙岩体在单轴循环加载过程中各个阶段裂纹重分布后超声波波速的理论公式；

Based on different expressions of fracture density parameters in the process of uniaxial loading-unloading , the theoretical formula of ultrasonic wave velocity in every stage of uniaxial cyclic loading process when fractures redistribute , is put forward .

沥青混合料的体积特征参数对沥青路面路用力学性能具有重大影响，在采用体积设计方法时各种集料的密度参数设计的成功与否起着决定性的作用。

Asphalt mixture volume index plays a important role in road performance of asphalt mixture , and whether the preference for aggregate density is proper and precise is crucial to ensure the mix design 's success in the volume design method .

利用细观损伤力学模型建立了地壳损伤演化过程与地球重力场变化的关系，讨论了利用重力观测资料计算地壳微裂纹密度参数变化分布的理论与计算方法。

The relationship between the evolution process and gravity rate is deduced by using micro damage mechanics model in this paper . The theory and method to compute the distribution of the density parameters of the micro crack in the earth crust by using gravity observations are discussed .

平稳过程的条件概率密度非参数估计的L1－模强相合性

Almost Sure L1 - Norm Convergence of Nonparametric Estimation of Conditional Probability Densities of Stationary processes

对提取的特征用BEM算法学习该类样本的概率密度分布参数，构建贝叶斯混合网络分类器。

BEM algorithm learns the parameters of condition probability function of class features . A Bayes classifier is constructed to recognize face .

一类核密度含参数的Cauchy核奇异积分方程关于积分曲线摄动的稳定性

The stability of Cauchy 's kernel singular integral equation with a parameter included in the kernel density on the perturbation of integral curve

首先给出EM算法的抽象形式，然后研究EM参数估计方法的一个应用：求高斯混合密度的参数。

First we introduce the abstract form of the EM algorithm . Then we develop the EM parameter estimation procedure for one application : finding the parameters of a mixture of Gaussian densities .

分析了榴弹涂敷隐身材料的强度要求，根据要求设计粘合胶强度、RAM的厚度和密度等参数，并进行实验验证。

The adhesion strength of stealth RAM is analyzed . According to the adhesion strength , thickness and density of stealth RAM , the simulated bullet is designed . All of these are proved by test .

第三章主要介绍了对所拉制的SiGe单晶的电阻率、少子寿命、锗含量、氧含量、位错密度等参数及生长界面的测试情况和结果分析。

In Chapter three , we introduced the test techniques , results and analyse of resistivity , lifetime , Ge content , oxygen content , dislocation density and growing interface of the SiGe single crystal we prepared .

给出了流场和工作电流密度等参数的空间分布。

Spatial distributions of flow fields and current densities were presented .