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1·The aerodynamic shape of projectiles strongly influences their performance on ballistic trajectory.

弹丸的气动外形对其外弹道性能有重要的影响。

2·High-speed digital video acquisition is important for the image inspection in ballistic trajectory.

在弹道测量中，高速数字图像数据的获取有重要意义。

3·A method for dim ballistic trajectory detection based on multiscale morphological reconstruction is presented.

本文提出了一种多尺度形态重构的微弱弹道轨迹检测方法。

4·Measurement error from the photoelectric theodolite is the main error in the ballistic trajectory measurement.

光电经纬仪测量元素误差是外弹道测量中最主要的误差源。

5·Under the usual coordinates, the paper conclude mathematical model in space motion and design project ballistic trajectory.

在常用坐标系下，推导了空间运动的数学模型，设计了方案飞行弹道。

6·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。

7·At last, the effect on the outer ballistic trajectory characteristic after the ablation of hypersonic projectile wing has been analyzed.

最后，初步分析了高超声速弹翼表面发生烧蚀后对其外弹道特性的影响。

8·When using the ballistic trajectory integral method to obtain the ballistic coordinate, the precision of initiative shoot condition is vital.

在使用弹道积分方法求取弹丸飞行弹道坐标时，起始发射条件的准确性至关重要。

9·The initial cavity, ballistic trajectory and velocity attenuation of the sphere pellets are similar at different water-entry angles and initial velocities.

在一定的入水角与速度范围内，球形弹丸入水初期弹道的空泡特性、弹道轨迹以及速度衰减规律具有一定的相似性。

10·The interior ballistic trajectory theory and aerodynamics theory are applied to the mathematics model which belongs to the principle of sample-rifle pushed by the gunpowder gas.

应用内弹道和气体动力学理论建立了原理样机的火药燃气作用的数学模型。

弹道

1·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。

2·The aerodynamic shape of projectiles strongly influences their performance on ballistic trajectory.

弹丸的气动外形对其外弹道性能有重要的影响。

3·Measurement error from the photoelectric theodolite is the main error in the ballistic trajectory measurement.

光电经纬仪测量元素误差是外弹道测量中最主要的误差源。

4·Under the usual coordinates, the paper conclude mathematical model in space motion and design project ballistic trajectory.

在常用坐标系下，推导了空间运动的数学模型，设计了方案飞行弹道。

5·During the initial flight phase, the method which regulates the ballistic trajectory to reduce the overload requirement of the flight middle phase using the direct force is presented.

在飞行初段，提出用直接力来对弹道进行调姿以减小中制导段需用过载的方案，并利用最优控制的方法设计了直接力作用方案。