在结构动力分析中提出了建立冲量方程并求解的方法,给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
冲量,动量的改变;火箭方程;随机运动的压力作用点。
Impulse and momentum change; rocket equation; origin of pressure from random motion.
建立系统的打击运动方程。并求出广义约束反力的打击冲量。
The equations of percussion motion of the system are given and the impulse of the generalized constraint reaction is found out.
土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
一元线性方程、抛物线方程及非线性阻尼振动方程对描述土壤缓冲速率及缓冲量动力学具有适应性;
Linear equation with one unknown, parabolic equation and nonlinear damped vibration equation well fit to describe the dynamics of Lou soil buffering rate or value.
根据冲量原理和小偏差理论给出了后效冲量误差引起导弹命中误差的一种计算方法和模型,提出了一种用关机分离方程控制射程的方法。
On the basis of impulse fundamentals and short offset theory, a calculation method and its model of missile hit error generated by after-working impulse are given.
基于C - W方程,推导了用直角坐标和轨道根数描述的远程导引段多冲量变轨段策略的方程,同时给出了求解方程组的迭代算法。
Based on the C-W equation, equations with both rectangular coordinates and orbital elements for the impulse maneuvers in long-distance guidance are derived.
基于C - W方程,推导了用直角坐标和轨道根数描述的远程导引段多冲量变轨段策略的方程,同时给出了求解方程组的迭代算法。
Based on the C-W equation, equations with both rectangular coordinates and orbital elements for the impulse maneuvers in long-distance guidance are derived.
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