均方值

Considering the mean square of the dynamics longitudinal force on the drawgear as an object function, and considering the rigid impact probability as a constraint condition, the optimizing software named TTCFDOS (Tractor-Trailer Combinations Flexible Drawing Optimization System) has been developed.

在对上述确定性参数系统进行频域分析的基础上，以牵引架上动态纵向力的均方值为评价指标和目标函数，以刚性冲击概率为约束条件，开发了挂接车辆柔性牵引优化设计软件系统TTCFDOS，对挂接车辆的柔性牵引参数进行了优化设计，获得了与挂接车辆经常行驶工况相对应的优化柔性牵引参数

As the first attempt, this paper applies the laminar flamelet model to the typical diffusion combustion in diesel engines. A database of the laminar flamelet for a DI engine is built up in the phase space of the mixture fraction with the scalar dissipation rate as parameter.

以KIVA-3程序为基础，摒弃其原有的化学反应模型，模拟内燃机缸内多维湍流流场，并补充求解混合分数的时均值及其脉动均方值的湍流输运方程，得出各曲轴转角下混合分数的时均值及其脉动均方值的缸内空间分布。

And 8* 8 image block, a calculation of each mean square value as a threshold.

并用8*8对图像分块，对每一块计算均方值作为阈值。

As a result, the effectiveness of absorbing and isolstion is much better and the mean square value of viberating acceleration is decreased considerably.

经过优化设计后的新型担架隔振系统具有更好的减振和隔振效果，其振动加速度均方值明显下降。

Based on the model of stiffened plates with concentrated added mass, a study of the stochastic vibration was carried out, and system's mean value, mean square value, cross-correlation function, cross-spectral density function were calculated.

从带有附加集中质量加肋板的力学简化模型出发，推导给出了该模型的随机功率谱密度，并分析了系统随机振动响应的其他统计数字特征：均值、均方值、互相关函数和协功率谱密度。

The algorithm consists of 3 criterions: Criterion 1 is the mean square value of the difference image, and indicates occurrence of availability change of parking space; Criterion 2 is the variance of difference image; Criterion 3 calculates ratios of foreground to background at first, and then gets the variance of ratios.

监控算法基于以下三种判据：判据一是差影的均方值，可反映车位占用状态变化事件的发生；判据二是差影的方差，判据三是前景与背景比值的方差，通过判据二、判据三可以排除干扰、确认车位状态变化。

It obtained analytic expression or arithmetic solution of the mean value, the mean square value, the related function and the spectral density function of heat conduction system of 0-D, 1-D, 2-D and 3-D, by applying stochastically theory of linear system and the results of the first part.

该部分利用线性系统的随机理论和第一部分的成果，获得了0维、1维、2维和3维导热系统均值、均方值、相关函数、谱密度函数的解析表达式或数值解。

The paper deals with the mean square value of dynamic loads for automobiles with two degrees of freedom by means of random vibration theory and derives an analytieal formula according to Jordan lemma.

运用随机振动理论，研究了二自由度汽车车轮的动载荷均方值，由约旦复变函数引理，推出一个解析公式。

As a result, the mass matrix, the stiffness matrix, the damping matrix and the excitation coefficient matrices of the dynamics differential equations are random parameter matrices. According to the minimum deviation rule of the mean squares between the random parameter system and the deterministic parameter system, the random mean square deviation vector function between the two systems has been set up and the deterministic parameter system has been solved.

应用Newton-Euler矢量法对挂接车辆系统建立了质量阵、刚度阵、阻尼阵和激励系数阵皆为随机参数阵的八自由度随机参数系统动力学微分方程，并按照随机参数系统与确定性参数系统之间的均方值偏差最小的原则，建立了两系统之间的随机均方偏差矢量函数，由此解出了相应的确定性参数系统

A filtered transformation and a stochastic control Lyapunov design method are applied to Marino-Tomei systems driven by Wiener noises of unknown covariance. A parameter adaptive law and a control law are obtained to ensure that the closed-up systems are noise-to-state stable and the tracking error can converge to a small residual set around the origin in the sense of mean quartic value in average.

通过滤波变换，采用随机控制Lyapunov设计方法，对于受方差未知的Wiener噪声干扰的Marino-Tomei非线性系统，给出了参数自适应律和控制律，使得闭环系统成为噪声--状态稳定的，并且跟踪误差的4次均方值在时间平均意义下收敛到一个足够小的区域内。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。