抛体

考虑地球自转时对抛体运动的分析

Analysis of projectile motion in consideration of self-rotation of the earth

考虑地球自转时的抛体运动

Motion of a projectile under the influence of rotation of the earth

针对目前测量高速抛体速度方法中存在的问题，设计了一种基于FPGA的高速抛体测速装置。

Aiming at the problems of speed measure in recent methods , a device of speed measure based on FPGA was designed in this paper .

然后本文对系统方程求解计算出理论上的抛体出口速度。

Then the muzzle velocity was obtained by solving the system equation .

空气阻力对科氏抛体的影响

The influence of air resistance on the moving Coriolis projectile

增强现实系统中抛体实时旋转的研究与实现证实案发时不在现场

Research and Implementation of Projectile 's Real-time Rotation in Augmented Reality System

电磁发射装置的结构优化及抛体受力分析

The Improvement of Electromagnetic Launcher and the Force Analysis

最大射程与最佳抛射角关系新探&发散思维在解决抛体运动问题中的运用

Apply Divergent Thinking on Solving Problem of Projectile Motion

本模型采用光纤传感器探测抛体出口速度。

This the velocity of the projectiles are measured by the fiber sensor .

此外，还设计了基于光电传感器的单片机系统，用来测量抛体的出口速度。

Besides , MCU used to measure the velocity of the projectile is designed .

地球自转对抛体运动影响的研究

Research on the Influence of the Rotation of the Earth upon the Projectile Motion

空气阻力与地球自转影响下抛体的运动

Movement of Projectile Affected by the Resistance of Air and the Rotation of the Earth

自制抛体运动轨迹投影演示器

Homemade projector scope of projectile motion locus

抛体作摆线轨道运动的特性

Projectile Motion Properties of Cycloid trajectories

阻力对抛射体运动射程的影响对抛体运动射程规律的再讨论

Influence of Resistance to Projectile Throw Discussing Once More about the Law of Range on Projectile Motion

在第四章中所讨论的自由落体运动是抛体运动的特殊情况。

The motion of a freely falling body discussed in Chapter 4 is a special case of projectile motion .

跳远起跳技术是将人体的水平运动转变为抛体运动，踝关节在其中发挥了重要的作用。

Technology of long jump take-off is a way to turn the human bodys horizontal speed into taking-off speed .

并分析螺线管轴线磁场分布，得出抛体理论受力方程。

Based on the analysis of magnetic distribution of solenoid on axes the equations of force on projectile are derived .

随着抛体的速度不断增加，电磁发射装置的控制系统的性能要求也越来越高。

With the speed of the projectile increasing , the performance of the control system requires is higher and higher .

针对经典力学中忽略地球自转来处理抛体运动的问题，考虑地球自转的影响，建立了抛体运动的动力学方程。

The paper researches into the orbit equation of the projectile motion and the projectile crosswise deviation when the earth rotates .

本文对有限球体爆破时渗流损失对抛体动能的影响作了计算。

Calculations of the influence of permeation loss on kinetic energy of projectile during blasting of a finite spherical body are given in this paper .

在硐室爆破工程实践中，为了达到设计的抛掷距离和特定的抛体堆积形态，往往设计布置平面药包。

In order to achieving a designed throwing distance or special shape of pile in practical chamber blasting , the plane charges were , sometimes , adopted .

忽略空气阻力，作用在抛体上的力只是它的重量，因而该抛体的机械能是守恒的。

In the absence of air resistance , the only force on a projectile is its weight , and the mechanical energy of the projectile remains constant .

运用近似的方法处理超越方程，给出了考虑空气阻力的抛体运动落地时间和射程与抛射角的近似解析关系，并且与数值解进行了比较。

The formulae of time and range of projectile with the projecting angle taking account into air friction are obtained by using the approximate method to solve the equation .

利用电磁力加速抛体具有能量利用率高、加速力可控等特点，是一种较为理想的推进方式。

The method of the electromagnetic force to accelerate the projectile has some characteristics , such as high energy utilization and controllable acceleration , which becomes an ideal mean of propulsion .

本文通过研究地球自转时抛体运动的轨道方程和抛体的横向偏离等，揭示了地球自转对抛体运动的影响。

The paper researches into the orbit equation of the projectile motion and the projectile crosswise deviation when the earth rotates . It also reveals the influence of the rotation of the earth upon the projectile motion .

定向爆破抛掷距离计算常采用体积平衡法或抛体堆积法，这2种计算方法的理论基础和设计原则各不相同。

At present , two methods , the volume equilibrium method and thrown piling method are widely used in calculation of thrown pilling of directional blasting , of which the academic foundation and design principle are different .

将体育教学和运动训练中各种运动动作归纳为几个基本的生物力学问题，即平衡问题、抛体问题、碰撞问题、鞭打问题、流体问题。

In these thesis , the author classified all kinds of sports action into several basic questions of biomechanics in PE teaching and sports training , include the issues of balance , projectile , fluid , collision and whip .

仅仅依靠理论分析，难于完成一个实用电磁发射器的设计。这是因为电磁发射过程是一个瞬变过程，定子线圈与抛体间的互感随着时间的变动而改变。

It is very hard to design an applicable electromagnetic launcher merely based on theory analysis because the whole launching process is in a transient state and mutual inductances between the driving coil and the projectile sleeve are always changing with time .

为了解决铅球适宜投出角度公式与实践偏离的问题，分析了铅球成绩与抛体最大射程的函数关系，得出了最大成绩定理、新最佳投出角度公式和最佳出手角度标志线参数式。

In order to solve the problem of deviation of suitable angle and the practice of shot put , the author analyzes the function relation between performance and the maximum projectile range , draws the best result theorem that is new optimum angle formula and sign line parameter .