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- T hen we analyze the target scattering center model, angle movement model and the simulation of radar target range profile based on these models. 并具体分析了目标的散射中心模型、角运动模型及根据这些模型进行目标一维距离像仿真的方法。
- Based on attributed scattering center model, on the basis of reference [6], a modified method of extracting SAR target scattering center features from imagery domain is presented. 本文基于属性散射中心模型,在文献[6]的基础上,提出了一种改进的图像域SAR目标散射中心特征提取方法。
- target scattering in the near field 目标近场散射
- Target scattering characteristics 目标散射特性
- measuring of target scattering characterization 目标散射特性测量
- Radar Target Scatter Advanced Measurement System 雷达目标散射高级测量系统
- Parameter estimation of radar target scatterer plays an important role in the process of target characteristics analysis and target recognition. 雷达目标散射中心的参数估计对目标特性分析和目标识别有重要意义。
- RCS (Radar Cross Section) is a key factor in designing stealth weapons, so the research of radar targets scattering characteristics has become the foundation of stealth technologies. 雷达散射截面(RCS)是隐身装备外形设计的一项重要指标,研究雷达目标的电磁散射特性已成为目标隐身设计和目标识别的基础。
- The area of target scatterance varies with target angle, and it gets its minimum.However, the hunt cingulum formed by the two acoustic homing torpedoes can always shroud the target scatterance. 目标散布随目标舷角的变化有最小值,但两雷齐射声自导搜索带始终能够遮盖目标散布;
- The farmers were scattering seed on the fields. 农夫把种子撒在田里。
- A model of submarine attacking target by launching two acoustic homing torpedoes with parallel salvo was given.The law of obscuring target scatterance of two torpedoes by parallel salvo was studied. 摘要建立了潜艇使用声自导鱼雷两雷平行航向齐射攻击目标的数学模型,对两雷平行航向齐射遮盖目标散布的规律进行了研究。
- The torpedo homed in on its target. 鱼雷射向目标。
- Target Scattering Decomposition in Terms of Roll-Invariant Target Parameters 用滚动-不变的目标参数表示目标散射衰变
- The company has met their export target. 该公司已经实现了它们的出口目标。
- A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
- He shot an arrow, but it fell short of the target. 他射了一箭,但没有射中靶。
- I wish he would refrain from scattering his ash all over the carpet. 我希望他不要将烟灰往地毯上乱弹。
- He won't hit the target at that distance. 他打不中那样远的目标的。
- Shots were fired at the enemy target. 有人向敌军目标开枪。
- You missed the target by a mile/by miles. 你远未中的。