At the global coordinatesystem, the flight velocity and flight Angle of all the fragments are calculated with program.
在全局坐标系下,对所有破片的飞散速度和飞散角度进行了编程计算。
2
Using the concepts of radial velocity and transversal velocity in polar coordinatesystem, a problem of pursuant trajectory in kinematics is solved.
利用极坐标系中径向速度与横向速度的概念求解运动学中的一个追线问题。
3
Global Position System, called GPS also, can provide high precision, all-weather, continuous and real-time three - dimension coordinate, velocity and time.