弹道的

On the basis of the analyzing the whole launching process, the mathematics model of the inner ballistic is deduced. Computer procedure is complied through Visual C++ development tools, which simulate the launching process and obtain the main performance curve of inner ballistic trajectory. Mathematics model is also modified through the experimentation data. At the same time, the experiment has proved that the new launching technique has the capability of raising the muzzle velocity.

在此基础上，本文针对提出的辅助药室火炮结构建立了再生式液体发射药辅助药室火炮发射过程的零维数学模型，并利用VC++开发工具编制了计算机程序，对整个发射过程进行了模拟，得到了内弹道的主要性能曲线。

In order to measure ballistic trajectory accurately, the measurement precision of the photoelectric theodolite should be investigated.

为了保证外弹道的测量精度，就应对光电经纬仪的测量精度进行合理设计。

Based on the precondition of ignoring unload impulsion and adaptability of hydrokinetic parameters to torpedo equation at low speed, the uncontrolled trajectory of dummy torpedo is simulated and analyzed.

在忽略排载冲击、低速时流体动力参数与雷体方程适应性等因素的前提下，开展了假雷非控弹道的仿真计算和分析。

In order to contribute to analyse and compute easily setback moving devices on the projectile fuzes,and to make the fuze devisers be able to get the approximate acceleration curves with a few parameters such as tube length and muzzle velocity of the guns,the displacement-time curve and velocity-time curve of gun interior ballistic are fitted with the Logistic models,then the formula of projectile acceleration curves in bore are gotten by the derivation of the formula of fitting velocity-time curve.

为了便于炮弹引信后坐运动机构的分析和计算，能使引信工作者只根据身管长度和炮口速度等少量参数就能获得弹丸膛内加速度近似曲线，运用Logistic函数拟合火炮内弹道的位移－时间曲线和速度－时间曲线，再对拟合得到的速度－时间曲线求导便得到了弹丸膛内加速度近似曲线。

The result indicates that the rotor downwash flow has an obvious inf luence on the missile, but with the control of autopilot the effect can be minished evidently.

结论认为下洗流场对导弹初始弹道的影响是显著的，导弹自动驾驶仪的控制作用可有效减小这种影响。

In this thesis, on the basis of theoretical analysis, numerical simulation and test study, the working principle and working process of central tube explosive ejection device and combustion gas ejection device equipped with star-shaped frame are analysed, the mathematical model of the inner ballstics of ejection devices and dynamical ejection model of submunition are established.

本文在理论分析、数值模拟与试验研究三者相结合的基础上，分析了中心管式爆炸抛撒装置与星形框式燃气抛撒装置的作用原理和作用过程，建立了抛撒装置内弹道的数学物理模型以及子弹抛撒动力学模型。

The system error,station distribution,measuring environment and data processing of photoelectric theodolite were analyzed.

通过对光电经纬仪系统误差、设备布站、跟踪测量环境和数据处理方法等方面分析，对影响光学测量数据处理精度情况进行了阐述，为外弹道的数据处理精度分析提供了有效的技术支持。

This paper compares the attack angle change rule of straight slope form with exponential form.

把直线斜率形式和指数形式的迎角变化规律对弹道的影响进行了对比。

To realize the smooth transition between different trajectories with various guidance laws in composite guidance,a command shifted-guidance phase between two difference guidance laws was designed by using 2-order fitting in this paper.

为实现复合制导不同制导弹道的平滑过渡，用二阶吻合法设计了一不同制导律间的指令交接导引段。

The earth rotation is one of the important factors which affect the accuracy of ballistic missile trajectory.

在弹道导弹攻防对抗仿真研究中，弹道导弹作为攻击方，其弹道的精确性对导弹攻防对抗仿真的最终结果有着重要的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。