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Orbital angular momentum radar detection characteristics analysis based on ambiguity function

delete2025-07-01
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PRE
AI
Y
Yin Dang
D
Deyu Li
Y
Yusheng Fu
Y
Yi Liao *
DOI:10.1016/j.dsp.2025.105197delete
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摘要

摘要

En 中文
作为一种携带轨道角动量(OAM)的新型无线电波,涡旋波为雷达系统带来了突破。为更好地将涡旋波应用于雷达成像和遥感领域,有必要分析OAM信号的性质。本文利用雷达模糊函数(AF)作为有效工具来评估涡旋无线电波束的分辨率性能。推导了OAM信号的理论AF公式,并给出了相应的特性。在此基础上,比较了单模和多模OAM波形的AF与经典线性调频(LFM)、非线性调频(NLFM)和正交频分复用(OFDM)波形的AF。提供了仿真结果以验证OAM信号的分辨率性能。
Keyword:
Orbital angular momentum (OAM)
Vortex wave
Ambiguity function (AF)
Resolution analysis

期刊

Signal Processing 封面图
Signal Processing
IF:
3.6
论文数:
10.0K
被引数:
1.7W

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