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Retrospective Spectrum-Conversion Method Based on Time-Modulated Van Atta Array

delete2025-04-02
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OA
AI
F
Feng Zhao
J
Junjie Wang *
W
Wang, Jinrong
H
Hu, Weihong
F
Feng, Dejun
K
Kunpeng Song
DOI:10.3390/rs17071257delete
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摘要

摘要

En 中文
频谱转换是非线性电磁(EM)领域的重要应用之一,广泛应用于天线、无线通信、雷达成像等领域。然而,在微波系统中,实现对斜入射方向具有优良回顾特性的频谱转换控制仍然是一个主要问题。本文提出了一种时调制Van Atta阵列,用于调控回波信号的频谱分布。阵列原型实验被用于演示斜入射方向下单基地雷达散射截面(RCS)的变化特性。在此基础上,建立了时调制Van Atta阵列的回顾信号周期调制模型。多个离散谐波分量对称分布在原始频谱的两侧。详细分析了调制参数对生成谐波的影响。阵列原型实验得以实施,并验证了斜入射方向下单基地RCS的变化特性。
Keyword:
Van Atta retro-reflective array
microstrip patch array
single-pole double-throw (SPDT) switch

期刊

Remote Sensing 封面图
Remote Sensing
IF:
4.1
论文数:
7.6K
被引数:
15.1W

机构

N
natl univ def technol
学者数:
1.5K
论文数: 509
被引数: 141
P
PLA
学者数:
117
论文数: 64
被引数: 5
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