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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。
- A Study of Radar Target Scattering Center Extracted and Its Recognition Method in Optical Region 光学区雷达目标散射中心提取及识别方法研究
- target scattering center 目标散射中心
- This work is done by using a set of parameters about radar scattering center as target features and by using HMMs as classifiers. 主要研究内容包括两个方面:(1)基于散射中心位置参数特征和连续HMM分类器的识别方法及其仿真实验;
- I n the light of the high-resolution frequency-stepped millimeter wave (MMW) radar , we consider that a radar target is made up of some strong scattering center. 针对高分辨阶梯变频毫米波雷达,将目标看成是由若干个可以单独分辨开的强散射中心组成。
- Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection. 正确提取目标强散射中心,并对强散射中心的能量进行有效的积累,是高分辨率雷达距离扩展目标检测的关键。
- Scattering center model describes the scattering characteristic of radar targets in optical region. 散射中心模型是描述光学区雷达目标电磁散射特性的重要工具。
- The relation between HRRP in bistatic radar and HRRP in static radar of the target with multiple scattering centers is investigated.The... 所提出的结论为多基地雷达系统利用多站同时获取的双基地距离像构造目标散射点三维结构图奠定了基础。
- This method takes full advantage of GA's inherent parallelism and solves the estimation problem of the equivalent scattering center. 该方法充分利用遗传算法的内在并行性,解决了二维等效散射中心的估计问题。
- The undamped exponential model and CLEAN method are used in the extraction algorithm to transform 1-D scattering center extraction into non-linear optimization problem with genetic algorithm. 它采用非衰减指数和模型与CLEAN方法,将每个散射中心的提取转化为一个非线性优化问题,并利用遗传算法进行优化求解。
- When the parameter estimation of Damped Exponentials (DE) based scattering center model is considered in real life situation, the noise is always non-Gaussian and has long-tailed distribution. 实际条件下,在对基于衰减指数(DE)和模型的雷达目标散射中心参数估计和特征提取时,其噪声背景往往是非高斯的,分布密度函数表现出长拖尾性质。
- target scattering in the near field 目标近场散射
- Target scattering characteristics 目标散射特性
- 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。
- 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
- At last, the orthogonal property of signal with noise subspaces and the approximating of the binomial are utilized to estimate the types of the scattering centers. 同时,利用特征分析法的信号与噪声子空间正交特性、二项式近似两种方法来提取散射中心的类型参数。
- 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。
- Fully polarized scattering center 全极化散射中心