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Doppler Shift Estimation Method for Frequency Diverse Array Radar Based on Graph Signal Processing

delete2025-02-22
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OA
AI
N
Ningbo Xie
H
Haijun Wang
K
Kefei Liao *
S
Shan Ouyang
H
Hanbo Chen
Q
Qinlin Li
DOI:10.3390/rs17050765delete
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摘要

摘要

En 中文
本文提出并研究了基于图信号处理(GSP)理论的一种新型频率多样化阵列(FDA)雷达多普勒频移估计方法。首先,构建了一种针对单基地线性FDA的精心设计的图信号模型。随后,利用图傅里叶变换(GFT)技术对构建的信号模型进行谱分解,通过谱峰搜索提取目标的Doppler频移参数。一系列全面的仿真实验表明,所提方法即使在低信噪比(SNR)条件下也能实现目标参数的精确估计。此外,与MUSIC算法相比,所提方法展现出更优的性能,具有更高的分辨率和估计精度。另外,该方法高度适用于并行处理,显著降低了传统流程的计算负担。
Keyword:
graph signal processing
frequency diverse array
Doppler shift estimation
graph Fourier transform

期刊

Remote Sensing 封面图
Remote Sensing
IF:
4.1
论文数:
7.3K
被引数:
15.1W

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