查询词典 moment method

The moment of inertia calculation of closed binary impeller by analytic and discrete method is introduced.

介绍了解析和离散相结合计算闭式二元叶轮转动惯量的方法。

Describe the principle and method of measuring the moment of inertia of the automoblie parts using torsion pendulum.

详细地描述了利用扭摆法测量复杂车辆零／部件转动惯量的原理与方法。

And the conservation laws of moment and momentum are obtained by the combining the tiny element analysis method in continua mechanics with variation principle in analytical mechanics.

论文摘要：本文在建立时变边界挠性体的动力学方程时，将并入的质量对挠性体的作用当作时变边界上的表面力，并将连续介质力学中的微元分析法和分析力学中的变分原理相结合，导出了时变边界的变质量刚体的动量和动量矩矩方程。

A mathematical model of interceptor missile was constituted based on moment of momentum theorem. And with a view to mathematical model and fire logic of thrusters, a neural network controller of attitude motion system was designed for interceptor missile: acquiring basal controller based on simple method, and adjusting control parameters of simple controller using neural network.

首先基于动量矩定理建立了拦截弹姿态运动的数学模型，然后针对数学模型和推力器点火逻辑的特点，设计了拦截弹姿态运动系统的神经网络控制器。

The method of moments approach to estimation implies imposing the population moment restrictions on the sample moments.

矩方法是将总体的矩限制应用于样本中。

The numerical results indicate that the operator splitting method effectively suppresses numerical oscillations in the cases of high air bearing number. The numerical results show that both air lift force and pitch moment increase with the ratio of the slider's rail height to the air film characteristic height and the air bearing number, and finally reaches to stable value.

比较在不同轴承数下的气浮力和纵倾力矩发现：同一轴承数下，气浮力随气膜特征厚度减小而增加；当磁头槽台高度与气膜特征厚度的比值相同时，气浮力随轴承数增大而逐渐增加直到达到某一值后保持不变；纵倾力矩随轴承数增加而增大到某个最大值后减小。

First , it presents the estimations of model parametric and contamination parametric respectively by using moment estimation method.

首先利用矩方法给出了两种污染方式下污染参数及污染系数的估计。

Generalized Extreme-value distribution ; Pearson type III distribution ; L-moment estimation method ; regional flood frequency analysis

从20世纪50年代开始，它被应用于洪水频率分析中进行上下游、干支流成果的协调和比较。在美国，区

Based on Monte Carlo method,four different weighted function moment methods for Pearson Ⅲ distribution which were developed in China are first compared by using the evaluation standard considering unbiasness and effectiveness of parameters and design values.

利用统计试验方法，以参数及设计值不偏性、有效性为评价标准，比较了现行几种权函数参数估计法，结果与以理想样本还原准则为标准所得的结论截然相反，以不偏性、有效性标准的结论是数值积分权函数法，并未对马秀峰权函数法作出改进，还从理论上比较分析以上两种评价标准，结论是理想样本还原为标准来评判估计方法的优劣存在较大缺陷，建议今后尽量不要使用该标

A new parameter estimation method based on POME and L-moment is proposed in the thesis.

在此基础上提出一种基于线性矩法的熵估计方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。