A Study of Target Structure Imaging and Target Identification Based on Radar Target Optical-Region Frequency Response Data

何松华; 孙文峰; 郭桂蓉

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A Study of Target Structure Imaging and Target Identification Based on Radar Target Optical-Region Frequency Response Data

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- A Study of Target Structure Imaging and Target Identification Based on Radar Target Optical-Region Frequency Response Data
- Acta Electronica Sinica Issue 3, (1996)
- 作者机构：
  
  国防科技大学电子技术系ＡＴＲ实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published：1996
- 稿件说明：
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[1]何松华,孙文峰,郭桂蓉.基于光学区雷达目标频率响应的结构成像与目标识别的研究[J].电子学报,1996(03):32-36.

何松华, 孙文峰, 郭桂蓉. A Study of Target Structure Imaging and Target Identification Based on Radar Target Optical-Region Frequency Response Data[J]. Acta Electronica Sinica, 1996, (3).
[1]何松华,孙文峰,郭桂蓉.基于光学区雷达目标频率响应的结构成像与目标识别的研究[J].电子学报,1996(03):32-36. DOI：

何松华, 孙文峰, 郭桂蓉. A Study of Target Structure Imaging and Target Identification Based on Radar Target Optical-Region Frequency Response Data[J]. Acta Electronica Sinica, 1996, (3). DOI：

摘要

本文首先根据多散射中心理论与局部谐振原理，建立了雷达目标在光学区阶梯频率波形激励下的响应方程。在这种方程中，每个散射中心的局部瑞利或谐振响应曲线用各种不同的近似模型去逼近；然后导出了从目标的限带响应数据中抽取目标空间特征的结构成像方法，所得到的目标准二维图像既揭示了目标在宽带波形激励下的距离响应特征（即一维距离像），又反映了目标各局部散射中心的几何类型特征，可用于雷达目标的识别。

Abstract

In this paper

the step frequency response equation of optical-region radar target is firstly established by using theories of multiple scattering centers and local resonance. In the equation

different approximate model is used to describe the local Rayleigh or resonant response of each scattering center. Then a novel method of target structure imaging based on band-limited response data for target spacial features extraction is presented. The obtained quasi-two-dimensional image provides target features of not only range response under wide-band waveform stimulation

such as one-dimensional range profile

but geometrical structure category of each local scattering center also. The features can be used for radar target identification.

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