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density distribution相关的网络例句

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与 density distribution 相关的网络例句 [注:此内容来源于网络,仅供参考]

The simulation results demonstrate that there is locally favorable distribution in the probability density function of the basic random variables in bounded environment.

仿真结果表明,在有约束环境中该基本随机变量的概率密度分布显示出明显的局部偏好性。

The calculation of the parameter entire energy consumption sensitivity factor can be obtained by the load distribution probability density function.

本文指明热力系统状态参数存在设备层面和系统层面的两重关联关系。

The noninformative prior of the standard deviation of error terms was introduced for Bayesian analysis. Then, given the prior density of the random coefficients in the degradation path model, the Markov Chain Monte Carlo method was adopted to generate samples of joint posterior distribution of random coefficients and unknown standard deviation.

为了处理未知的误差项方差,引入相应的标准差的无信息先验分布,并进一步结合退化轨道模型中随性参数的先验分布,利用马尔可夫链蒙特卡罗方法得到随机参数及误差项标准差的联合后验分布的采样值,进而实时预测产品在未来一段时间内的可靠度。

A random signal of known statistical properties of amplitude, distribution, and spectral density.

振幅、分布及谱密度等的已知统计特性的随机信号。

In study of the truss structural dynamic characteristics analysis, randomness of the structural physical parameters and geomtric ones are all considered. The finite element model of the stochastic truss is built and the random functions of its natural frequencies are obtained by use of the Rayleigh quotient. Employing probabilistic distribution function expression for the random functions, through a series of mathematical processing including determination of limits of integrals, variable substitution etc., the probaabilistic density function for the truss natural frequencies are gained to realige accurate calculation for the reliability of the truss natural frequencies.

考虑结构物理参数和几何参数的随机性,通过构建随机参数桁架结构的有限元模型,利用瑞利商公式获得了结构固有频率随机函数的计算表达式,应用随机函数的概率分布函数表达式,通过确定积分区间、变量替换、积分顺序变换等一系列数学上的处理,获得结构固有频率的概率密度函数,进而实现对结构固有频率可靠度的精确计算。

A quantitative description of variation of the demagnetization curve rectangularity of Nd-Fe-B magnets with sintering process and a study of the effect of relative density, grain size and its distribution on the demagnetization curve rectangularity of Nd-Fe-B magnets are presented in this paper.

定量描述了Nd-Fe-B磁体J-H 退磁曲线方形度与烧结过程的关系,分析了相对密度、晶粒尺寸及其分布对磁体J-H 退磁曲线方形度的影响规律。

Pearson's chi-squared test ; Vertical density representation ; Center-similar distribution ; Recurrent event data ; Estimating equation

Pearson X2检验;垂直密度表示;中心相似分布;复发事件数据;估计方程

Based on the numerical results, the distribution of strain, relative density of specimen was obtained.

并在此基础上分析反压大小和反压模具结构对挤压变形效果的影响。

Methods Radionuclide ambulatory renography and color Doppler renal hemodynamics were studied in 30 patients with esential hypertension and left ventricular hypertrophy and 21 healthy control group. The glomerular filtration rate,renal index and the distribution of intrarenal artery were investigated.The resistive index, the systolic peak velocity,andthe low diastolic flow velocity and acceleration time of theintrarenal arterial flow were measured. Results Compared with control group the density of intrarenal artery of patients with esential hypertension and left ventricular hypertrophy were significantly decreased.

对30例高血压伴左室肥厚病人及21例年龄相当的健康人对照组行核素动态肾功能检测及彩色多普勒超声肾血流动力学检查,测定肾小球滤过率和肾脏指数及肾内动脉分布,段动脉、叶间动脉的阻力指数,血流峰速加速时间,收缩期最大血流速度,舒张期末最低血流速度。

The vertical distribution of root weight, length and volume density of Robinia pseudoacacia L.

通过分层挖掘法,对20龄刺槐、油松林根系密度的空间分布进行了研究。

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