查询词典 moment of inertia

In this paper,basis on mechanical structure of certain minor caliber multiple launch rocket system and tactical demand of air defense and antimissile,it is analyzed in detail that friction torque, unbalanced moment ,impact moment of burning gas flow and variable rule of moment of inertia,which provide the foundation for more research of position servo system of multiple launch rocket system.

文中依据某小口径多管火箭炮机械结构及防空反导的战术要求，对影响多管火箭炮位置伺服系统性能的摩擦力矩、不平衡力矩、燃气流冲击力矩以及转动惯量的变化规律等进行了详细的分析，为多管火箭炮位置伺服系统的进一步研究提供了依据和基础。

Week 4 Work and energy principle, conservation law of mechanical energy, moment of force, moment of inertia of rigid body, rotating law of rigid body with fixed axis.

第4周 功能原理、机械能守恒定律；力矩、刚体的转动惯量、刚体定轴转动定律。

Moment of inertia ; Product of inertia ; Dynamic balance ; Measurement Method ; Missile ; Torsion pendulum

转动惯量；惯性积；动平衡；测量方法；导弹；扭摆

Objects are compared with the rotational inertia, but it said with the first law of inertia is not the same thing, it's the size of the moment of inertia.

物体相对于转动也有惯性，但它跟第一定律所说的惯性不是一回事，它的大小为转动惯量。

In the natural sensitivity analysis to consider the impact of three different factors: the rotor moment of inertia, the water wheel attached to the moment of inertia and rotor arm stiffness.

在自振敏感性分析中考虑了三种不同影响因素：转子转动惯量、水体对转轮附加转动惯量和转子支臂刚度。

Based on the gray level co-occurrence matrix, moment of inertia, entropy, angle second moment of laser speckle, the texture of images is analyzed.

介绍了激光散斑的形成及其统计性质，拍摄大量不同加工工艺、不同表面粗糙度标准样块的散斑图像，基于激光散斑图像的灰度共生矩阵及惯性矩、角二阶矩、熵、相关性4个参量，对图像进行了纹理分析。

The density of bone mineral substance and femoral geometry size and polar moment of inertia and torsional section modulus and rectangular moment of intertia and rectangular section modulus and biomechanics capabilities were determined.

连续给药90 d后处死大鼠，测定股骨的几何尺寸、极惯性矩、抗扭截面模数、截面惯性矩、抗弯截面模数、骨矿密度和股骨的生物力学试验。

It can be used to measure different kinds of the ammunition parameters,such as the center of mass,the centroidal deviation,the moment of inertia,the product of inertia,the dynamic unbalance and etc.

可以用来测量质心位置、质偏、转动惯量、惯性积、动不平衡度等多种参数，同时推导了相应的计算公式，并利用样机进行了实际测量，测量结果表明该方法是有效和可行的，且具有快速、高效、高精度等特点。

Experimental Research on FBG Sensor for Large Curvature Detection;2. For large curvature arch, the neutral axis does not pass through the centroidal line of the cross-section, so the moment of inertia is not consistent with the second moment of area.

大曲率拱中，截面形心轴与中性轴不重合，其截面抗弯惯性矩与不考虑曲率影响的截面面积二阶矩有一定的差别；当截面尺寸相对拱弧长来说较大时，此时拱为深拱，剪切变形的影响不能忽略。

In this paper ,The inertia load disturbance is included in the double loop DC motor control system, Analysis of the load moment of inertia and The width of the linear area of nonlinear saturation relationship,use the method of "quasi-equivalent" modeling to model the nonlinear state space of the DLM with variable load,tested the speed response of the real system, and used an improved genetic algorithm to accurately identify the model's parameters.

本文将惯量负载的扰动纳入直流电机双闭环调速系统，分析了负载转动惯量与饱和非线性的线性域宽度λ的关系，运用&类等效&建模的方法，建立了变负载直流电机双闭环调速系统非线性状态空间模型。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了