1) trajectory similarity
弹道相似
1.
Based on the controlling equations of rocket movement, the criteria of initial trajectory similarity are deduced and analyzed in detail with the down-wash flow considered as a wind effect.
从弹箭运动控制方程出发，将下洗流场作为纵风效应，详细推导和分析了弹道相似所必须满足的相似准则，以及满足这些准则所必须满足的条件，从而为建立直升机空中发射环境地面模拟实验装置奠定了理论基础。
2) similarity theory
弹道相似原理
1.
The Ballistic Similarity Theory for the Different Calibre Spin-Stabilized Projectiles;
不同口径旋转稳定弹丸的弹道相似原理研究
2.
In the paper,the ballistic similarity theory for the spin stabilized and sabotdiscarded projectiles is developed, and the conditions and relationship of similarity between two projectiles in the ballistic parameters including flying time, velocity,range, spin and nutation are obtained.
以旋转稳定脱壳穿甲弹为对象 ,推导了不同口径时弹芯的弹道相似原理 ,得到了两弹在飞行时间、飞行速度、飞行距离、旋转速度和章动特性等弹道参数上的相似条件和相似关系。
3) elastic similarity
弹性相似
1.
For the elastic similarity,the material and the frequency-thickness product between the scaling model and prototype should be same,respectively.
在缩比模型试验中为保证弹性相似,要求缩比模型与原型目标的材料相同和频厚积相等。
4) similarity orbit
相似轨道
1.
Theorem about the similarity orbit closure of linear bonded operator acting of hilbert space;
Hilbert 空间有界线性算子相似轨道一个定理的证明
2.
With the theory of similarity orbits, it is proved that there is only one nontrivial similarity invariant subspace in C_1, and no nontrivial similarity invariant subspace in C_p(1<p<∞), At the same time, the representations of bounded linear maps which prserve similarity in both directions are given.
利用相似轨道理论,证明了C_1中有唯一的非平凡相似不变子空间,C_p(1
3.
Given T∈B(H), the equivalence class containing T with respect to unitary equivalence (similarity), denoted by U(T)(S(T)), is called the unitary orbit (similarity orbit, respectively) of T.
若T∈B(H),那么S[π(T)]和S(T)分别表示π(T)和T的相似轨道。
5) Hydro-elasticity similarity
水弹性相似
6) Ballistic Camera
弹道相机
1.
To obtain wide field of view and high resolution ratio, the calibration method and procedure of ballistic camera with multi-CCD system are presented, and the principle and composition of calibration system are also introduced.
介绍了一种多 CCD 拼接弹道相机的标定方法和步骤,以及标定系统的原理及组成。
2.
There are many ways for controlling ballistic camera and collecting various time data.
给出微机控制弹道相机的方法，说明了它的基本结构、功能，着重介绍了程序结构及编程时侧重考虑的实时性、准确性、可靠性及使用的简便性等问题。
补充资料：弹道(见弹道学)
弹道(见弹道学)
trajectory
dQfldQO弹道(t rajectory)见弹道学。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条