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- The dynamics and motion equations of unmanned tandem helicopter are established by mathematical modeling. 纵列式无人直升机是一种很好的侦察平台,具有重要的军事和民用价值。
- A group of relative motion equations were given with the Keplerian motion assumption,which was proved to be true in physical concept. 针对圆形轨道串行卫星编队进行研究,推导出满足开普勒轨道假设的相对运动方程,从物理概念上证明了这种描述关系的正确性;
- By analyzing motion orbits of picks when a horizontal cutting head cuts,geometry models and motion equations are set up in the paper. 分析横轴式截割头摆动截割时截齿的运动轨迹,建立了其几何模型和运动方程。
- Firstly,the directional-lateral motion equations and transfer functions suited for the certain third generation fighter were deduced. 首先推导了适用于某第三代超声速战斗机横航向运动方程和传递函数。
- The fuzzy and stochastic features a moored floating body system are described in order to deduce its fuzzy motion equations. 对系泊浮体系统的模糊随机性特征进行描述,并推导其模糊运动方程。
- The slipper motion equations are established, and the relationship between the time constant of the motor and the displacement is given. 本文分析了十字滑块运动方程,指出了电机通电时问与滑块位移之间存在的对应关系。
- The motion equations of three states of non-affixation, right affixation and left affixation are deduced, and the computer program is developed. 按照多质点结构分析模型推导了不发生附加、右侧附加、左侧附加弹簧的运动方程,编制了相应的分析程序。
- Abstract: Firstly,the directional-lateral motion equations and transfer functions suited for the certain third generation fighter were deduced. 文摘:首先推导了适用于某第三代超声速战斗机横航向运动方程和传递函数。
- The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations. 推导出了系统的非线性运动方程,所求方程的近似周期解即为轴心轨迹。
- By analyzing motion orbits of picks when a horizontal cutting head cuts, geometry models and motion equations are set up in the paper. 分析横轴式截割头摆动截割时截击的运动轨迹,建立了其几何模型和运动方程。
- Abstract: The finite element method (FEM) for viscoelastic fractional derivative model is presented in this paper.The motion equations are uncoupled with modal analysis method. 摘 要: 本文给出了粘弹性分数阶导数模型的有限元格式,并用模态分析的方法进行了运动方程解耦。
- Based on bionic research on fast-start of fish, the motion equations of S-start are established.Subsequently, law of motion of body centerline are simulated and expatiated. 摘要基于鱼类快速起动的仿生学研究,建立了仿生机器鱼S形起动的运动方程,对S形起动的鱼体体干曲线波分别进行仿真计算和分析。
- Abstract :In our research on near space aerostat (high altitude airship) simulation and control methods, six degrees of freedom motion equations are deduced. 摘 要 : 我们在研究临近空间浮空器(高空飞艇)仿真和控制中,建立了飞艇六自由度运动方程数学模型。
- The motion equations of the rocker device behind piercing mill are derived and the method for calculating the motion parameters is presented in this paper. 本文建立了穿孔机后台拔杆装置的运动方程,描述了运动参数的计算方法,编制了计算程序;
- The motion equation of the structure is in both time domain and Laplace domain. 在时间域和拉氏域内建立了它的动力学方程.
- The decision simulation was solved by the using condition triggered motion chain, and the aircraft simulation was realized through3- DOF aircraft motion equations, kinematics equations and onboard equipment models. 以条件触发的动作链实现目标机对空战战法的执行,结合三自由度飞机运动方程、动学方程和机载设备模型实现对目标机的实体仿真。
- Generalized DAlembert-Lagranges principle for non-holonomic mechanics, including its Newtons formulation and Lagrangian formulation, are given. This principle can lead to the closed motion equations. 提出非完整力学的广义达朗贝尔-拉格朗日原理,包括其牛顿表述和拉格朗日表述。此原理能导出态空间封闭的运动方程组。
- The electromagnetic particle-in-cell (PIC) simulation technology, which bases on the time-domain finite difference (FDTD) algorithm and the concept of finite-size particle, can solve the Maxwell equations and the motion equations of electrons directly. 电磁粒子模拟技术(Particle in Cell Simulation)技术基于时域有限差分方法和有限大小粒子概念,能直接求解有源麦克斯韦方程组和电子相对论运动方程。 与大信号理论模拟相比,PIC模拟能更全面地反映互作用物理过程。
- Basing on the radarwave finite element equations, the motion equations with which the Jacobincoefficiient Matrix are satisfied and introduced also the Jacobin matrix solvingmethod in time domain and frequency domain from such equations. 从探地雷达波满足的有限元波动方程出发,推导得到随时间可变的雅可比系数矩阵满足的波动方程,并阐述了在时间域和频率域分别求解该雅可比系数矩阵的方法。
- The motion equations of the unsteady air and water in jig are obtained by the method of fluid dynamics, and the fluid parameters in jig at different characteristic curve of air valve are calculated by use of numerical method. 用流体力学方法导出了跳汰机内空气?水动力学体系的运动规律,并通过数值计算得出了不同风阀期特性下的跳汰机内的水流运动。