经过仿真实验，分析角运动的时间序列，给出了比较详尽的飞行不稳定机制分析结果。
Through the simulating experiments and the analysis of Angle motion time series, the detailed analyzed conclusions about flight instability mechanism are presented.
及时、准确地检测到压气机不稳定工作的征兆对于保障飞行安全具有重要的意义。
It is very important to truly detect compressor's instability precursor as soon as possible, which is essential to ensure flight safety.
从弹箭空间摆动和弹性振动耦合的动力学模型出发，对弹箭飞行过程中的共振不稳定性问题进行了研究。
Based on the coupled dynamic model for the spatial rotation and elastic vibration of a body, the resonance unstability of projectiles in flight is studied in the paper.
碟形飞行器是一类较为特别的静不稳定系统，在系统数学模型存在较大偏差的情况下，常规的预测控制设计思路难以获得理想控制效果。
The flying saucer is a certain statically unstable system, and with the model bias, the conventionally designed predictive control system is hard to get ideal control effect.
气动力(被动)不稳定对于载人飞行器是不利的。
Aerodynamic (passive) instability is a disadvantage for manned vehicles.
科学家说，他们的发现可能有助于工程师开发出微型飞行器，来应对不稳定的天气，甚至可以改善洗衣机的离心烘干机。
The scientists said their findings could help engineers to develop micro air vehicles that could cope with unsettled weather or even washing machines with an improved drying spin. it.
在系统上遍及各种不同的实验，火箭弹体显示不稳定的飞行迹象和不一致的散布，这使预测它的飞行路径末端是困难的。
Throughout various experiments on the system, the rocket's body exhibited signs of unstable flight and inconsistent dispersion. This made prediction of its flight path extreme difficult.
本文的研究成果和结论对旋转固体火箭发动机飞行器的章动不稳定性问题具有十分重要的意义和实用价值。
The results achieved and the conclusions drawn in this thesis are of great importance and applicable in the nutation instability phenomenon of solid rocket motor spacecraft.
当充液质心与飞行器质心的距离较大时，对飞行器弹道的影响较严重，甚至导致飞行不稳定。
When the distance between the mass center of liquid and the mass center of flight vehicle is large, the influences to rocket flight ballistics become serious, which even induce flight instability.
本发明的另一个对象是提供了一种激光屏幕有一个相当大的横截面积，检验速度的飞行轨迹具有不稳定体。
A further object of the present invention is to provide a laser screen which can determine the velocity of projectiles made of non-ferrous as well as ferrous materials.
本发明的另一个对象是提供了一种激光屏幕有一个相当大的横截面积，检验速度的飞行轨迹具有不稳定体。
A further object of the present invention is to provide a laser screen which can determine the velocity of projectiles made of non-ferrous as well as ferrous materials.
应用推荐