| 引用本文: | 韩明华,袁乃昌.基于物理光学方法二面角反射器一维距离像特征信号计算.[J].国防科技大学学报,1999,21(5):66-68.[点击复制] |
| Han Minghua,Yuan Naichang.Physical Optics Approximation to the Range Profile Signature of a Dihedral Corner Reflector[J].Journal of National University of Defense Technology,1999,21(5):66-68[点击复制] |
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| 基于物理光学方法二面角反射器一维距离像特征信号计算 |
| 韩明华, 袁乃昌 |
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(国防科技大学 电子工程学院 湖南 长沙 410073)
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| 摘要: |
| 二面角是众多雷达目标中的典型散射结构, 是典型的二次散射体, 其特征的识别对于复杂目标的识别具有重要的意义。本文中首先在频域内应用PO光学计算方法得到二面角的散射信号, 通过IFT变换得到时域散射信号。采用幅度调制信号与目标的时域散射信号进行卷积, 即得到目标的距离像。 |
| 关键词: 物理光学, 散射截面, 二面角反射器, 一维距离像 |
| DOI： |
| 投稿日期：1999-03-01 |
| 基金项目:国家部委基金资助项目 |
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| Physical Optics Approximation to the Range Profile Signature of a Dihedral Corner Reflector |
| Han Minghua, Yuan Naichang |
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(Institute of Electronic Engineering, NUDT, Changsha, 410073)
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| Abstract: |
| Dihedral corner reflector is an important geometry because it is a basic canonical shape that exhibits a double-bounce phenomenon. The Inverse Fourier transform is used in conjunction with the frequency-domain description to obtain a high-frequency analytical approximation to the impulse response of the dihedral reflector. An amplitude modulated(AM) pulse is convolved with the impulse response of the target to yield the range profile signature. |
| Keywords: physical optics, radar cross section, dihedral corner, range profile |
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