力矩的

The study shows the BP neural network model of hydro-turbine for s pecial discharge and special torque can be used to describe its nonlinear charac teristic and ensure the continuity of derivative function of special discharge. The convergence for hammer calculating is improved.

水轮机单位流量和单位力矩特性的BP神经网络模型能真实地表达水轮机的非线性特性，且解决了插值法的导数不连续问题，从而改善了水击计算的收敛性，为用于工程计算和科学分析的水轮机特性表达开辟了新的途径。

It provided a correct and reasonable mathematical model for the analysis of the ultimate bearing capacity and crankle stability of the thin-walled structure.

论文在比较了两种运动描述方法（完全拉格朗日法和更新拉格朗日法）异同点并分析了非线性几何关系及大变形下的弹性物理关系的基础上，基于增量虚功原理推导了几何非线性空间梁元单元切线刚度矩阵，采取分模块形式，分别表示了轴力、弯矩、双力矩对几何矩阵的贡献；通过球面显式荷载增量迭代式弧长法求解方法编制程序，很好地实现了几何非线性增量荷载的自动步长选择及全过程跟踪，为薄壁杆系结构的极限承载力分析和弯扭失稳分析，提供了较为精确合理的分析力学模型。

The research on the CCD sensor information is used to determinate the satellite attitude system without gyroscope .(1) Using quaternion and MRP as attitude representation , the attitude kinematics function are established . The satellite attitude dynamics function is established,that is disturbed by the first-order Markov force moment.(2) Using the quaternion as attitude representations, the attitude determination state estimator EKF and UKF are designed , numerical simulation is done .

基于CCD星敏感器的无陀螺测量卫星姿态确定系统的研究(1)针对地球同步轨道卫星，分别建立了以姿态四元数和修正罗德里格参数为卫星姿态描述参数的姿态运动方程；建立了卫星受一阶马尔柯夫干扰力矩时的卫星姿态动力学方程；(2)设计了采用姿态四元数为卫星姿态描述参数的EKF和UKF估计器，设计了分别以姿态四元数和修正罗德里格参数为卫星姿态描述参数的UKF估计器，并进行了数学仿真。

Because resistance is not very precise in the testingmagnetorquer device,differential amplifier circuit is not very symmetrically.

在磁力矩器测试设备中，要求电源的电压是可变的，再加上电阻的实际阻值和标定的阻值之间存在误差，造成差分放大器的正负端的不对称。

High strength AI extruded profile for convenient installation; AI house with reliable continuity at whole length; Double heads and single bolt joint pack; High conductivity Cu or AI bars; Outlet device with patent; High protection grade--IP65 devices; Tap-off box with interlock and operating handle

方便安装的高强铝合金材料；全长可靠连通的铝合金；双头力矩单螺栓连接器；高导电率的铜或铝导体；专利技术的插口装置；高防护（IP65）装置；带操作手柄和机械连锁的插接箱

To ensure the structural adequacy of ship tank carrying liquid cargoes or other liquid filling systems, it is necessary to evaluate the sloshing pressures resulting from liquid motions in condition of partial filling.

液体晃荡引起的砰击压力，对结构变形甚至系统安全都是一个重要的影响因素；晃荡动压力的巨大合力和合力矩可以显著改变船的运动状态以及舵的操纵。

Analysis of ship parametric rolling in head sea;2. A numerical simulation method based on ITTC recommendation was used to investigate the occurrence and magnitude of parametric rolling in longitudinal regular waves.

基于ITTC推荐的参数横摇运动方程，采用估算方法确定方程中的阻尼系数和复原力矩系数，数值模拟出船舶在规则波中的参数横摇情况，将上述方法具体应用于一艘滚装船船模的参数横摇预报，并与试验数据进行对比，验证了所采用方法的有效性。

The developed motor prototype was tested and its load characteristics were measured. The maximum stall torque of 0.48 N·m is reached which is 1.7 times as high as the conventional onesided TWUSM, and its idle speed is 86 r/min.

最后利用自行研制的电机样机进行了实验，该样机的最大堵转力矩是0.48 N·m，是与其相近尺寸的传统单面齿超声电机的1.7倍，样机的最大空载速度是86 r/min。

Therefore, in this paper a new mechanics method is studied, i. e. a group of equations were set up and solved by the equilibrium conditions of the couple system. The transmission ratio and the meshing efficiency calculation formula were derived by this method. According to the law of conservation of energy. Hence then the above profound problems are analyzed and solved in a simple way. epicyclic gear train ; couple system ; transmission ratio ; meshing efficiency

故根据平面力偶系平衡条件可以很方便地推导出轮系传动比和啮合效率公式，与其它方法[卜3]不同之处还在于，本文根据能量守恒定律，不需分析啮合功率的流向，便可解决啮合效率的计算问题。1理论基础1.1基本周转轮系的力矩关系式图1为常用的2K—H型基本周转轮系，当轮系匀速转动工作时，根据受力平衡条件，作用在▲图l 2K_H基本轮系三个基本构件上的力偶矩应满足以下关系式[1]：兰=簇=撬㈤一1一涅稍一1一涅稍

On the base of the data measured on automotive mechanics parameters tester, through setting up a relationship between lateral angle of tire, body roll angle, aligning torque and lateral acceleration and using method of least square, for curve fitting on non-linear data, a relationship has been found between these data and stable steering characteristics.

本文以汽车力学参数试验台测出的数据为基础，通过建立轮胎侧偏角、车厢侧倾角、回正力矩与侧向加速度之间的关系，运用最小二乘法对测试数据进行非线性曲线拟合，找出了这些数据与汽车稳态转向特性之间的关系，并按国家标准GB/T13047-91中的有关规定对被测试车辆的稳态转向特性进行了评价

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