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A Hybrid Analog-digital Adaptive Beamforming Method for Jamming Suppression
- Acta Armamentarii Vol. 46, Issue 7, Pages: 240703(2025)
- 作者机构：
1. 北京机电工程研究所, 北京 100074
2. 东南大学 信息科学与工程学院, 江苏 南京 210096
- 作者简介：
- 基金信息：
DOI：10.12382/bgxb.2024.0703
CLC：Received：15 August 2024，
Published Online：12 August 2025，
Published：31 July 2025
- 稿件说明：
移动端阅览
Jun WANG, Xiaoqi HE, Hao WANG, et al. A Hybrid Analog-digital Adaptive Beamforming Method for Jamming Suppression[J]. Acta Armamentarii, 2025, 46(7): 240703.
Jun WANG, Xiaoqi HE, Hao WANG, et al. A Hybrid Analog-digital Adaptive Beamforming Method for Jamming Suppression[J]. Acta Armamentarii, 2025, 46(7): 240703. DOI： 10.12382/bgxb.2024.0703.
摘要
针对传统数字波束成形体制抗干扰容限受制于模拟数字转换器(Analog to Digital Converter
ADC)量化精度问题
提出一种用于压制式干扰抑制的模拟-数字混合自适应波束成形方法。通过在射频端引入模拟波束成形
实现对干扰信号的初步抑制
有效避免信号采样饱和
进一步结合数字波束成形技术
实现对干扰信号的再次抑制。建立了模拟-数字混合自适应波束成形信号模型
分析了抗干扰性能影响因素。仿真结果表明所提方法能够有效减少ADC量化精度的影响
对不同强度干扰均表现出很好的干扰抑制效果
与传统数字波束成形方法相比
抗压制式干扰能力实现了突破。
Abstract
The anti-jamming capacity of traditional digital beamforming system is limited by the quantization accuracy of analog-to-digital converter (ADC).To address this situation
this paper proposes a hybrid analog-digital adaptive beamforming method.The interference signals are suppressed preliminarily by introducing the analog beamforming at the radio frequency channel
which prevents sampling saturation.Subsequently
the interference signals are suppressed with the digital beamforming technology.A hybrid analog-digital adaptive beamforming signal model is established.The proposed hybrid analog-digital method is theoretically derived
and its anti-interference performance is analyzed.The simulated results demonstrate that the proposed method can effectively reduce the impact of quantization accuracy and has the excellent performance for different interference intensities.Compared with traditional digital beamforming method
the superiority of the proposed method for blanket jamming suppression is also demonstrated.
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references
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