scattering center

A Method of Radar Target Recognition Based on Multi-Scattering Center Model

基于多散射中心模型的雷达目标识别方法

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Fast Algorithm for Target Scattering Center Feature Extraction

一种目标散射中心特征快速提取算法

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Then 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。

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In existing radar high-dimensional perception technology, to construct target' s3D scattering center has become an important means for understanding the target comprehensive scattering properties and effectively realizing the target automatic identification.

现有雷达高维感知技术中，构建雷达目标的三维散射中心已成为全面了解目标散射特性和有效实现目标自动识别的重要手段。

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Multi-center cylindrical harmonic function expansion method for computing the electromagnetic scattering by two-dimensional cylinder of arbitrary cross-sections

用于计算任意截面二维电磁散射的多心柱谐函数展开法

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Then, according to the mathmatical description to UWB impulse response in literatures, three kinds of UWB signal modeling are studied, such as LFM 、 impulse 、 carrier-free coded waveforms, supposing the target scattering center distribution is given.

根据文献对UWB雷达目标冲击响应的数学近似描述，在目标散射中心分布设定的条件下，研究了线性调频、相位编码和冲击脉冲三类常用超宽带雷达信号的目标回波建模。

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We use the Finite-difference Time-domain ( FDTD) method to compute the scattered field of an object possessing several scattering centers. The numerical diffraction coefficient of the scattering center under investigation is then obtained by solving simultaneous equations established via GTD consideration.

利用时域有限差分（FDTD）法提供的散射场，根据几何绕射理论（GTD）建立含有绕射系数未知量的方程组，通过联立方程组的求解，得到散射体边缘的数值绕射系数。

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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。

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Then, some typical scattering center estimation methods are lucubrated.

在白噪声背景下，深入研究了几种典型的散射中心估计方法。

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Method of scattering center estimation by radar target frequency response data in clutter environment

杂波环境下雷达目标频域响应的散射中心估计方法

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The simulation results show that the two algorithms have much better estimation precision and robustness than monostatic radar imaging algorithm for the target scattering center parameters.

仿真结果表明所提出的两种算法对目标散射中心参数的估计精度均高于单雷达成像估计结果，并具有较好的稳健性。

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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

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The model based on target scattering center distribute is built, and the target recognition is carried out by using GA.

该方法首先基于多散射中心理论建立待识别目标的模型、利用遗传算法的全局优化能力进行目标识别。

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City Lighting Wireless Monitor and Control System is made up of control center, several scattering remote testing and controlling terminal and wireless communication nets.

城市照明无线监控系统由监控中心、若干个分散的远程测控终端和无线通信网络构成。

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Besides the F center signals, a Raman signal with the peak position at 147cm~ (-1) is observed first time, it is assigned to be inelastic scattering of V_ K center.

除F心信号外，首次观察到一个喇曼频移为147cm~（-1）的信号.这一信号被指认为V k心的非弹性散射。

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