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- 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。
- 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。
- 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。
- 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;
- Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。
- 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。
- 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。
- When the tree falls, the monkeys scatter. 树倒猢狲散。
- 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。
- He moved the table over to the center of the room. 他把桌子移到房间中心。
- The land is destined for a new shopping center. 这块地已被划作为营建一个新购物中心之用。
- A scatter of applause reached him when he ended his speech. 演讲结束时他听到稀稀拉拉的掌声。
- His activities in London center around this spot. 他在伦敦的活动以这个地点为中心。
- The strikers paraded through the city center. 罢工队伍游行穿过市中心。
- 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。
- I used to scatter in the cinema last year. 我去年很少看电影。
- The stars scatter when the moon is clear. 月明星稀。
- A system of roads radiates from the town center. 一个道路网从镇中心向四面八方伸展出去。