基于文氏谱海浪的无人机海面多径信号传播特性研究
Research on UAV Multipath Signal Propagation Characteristics on Sea Surface Based on Wen's Spectrum Wave
关泽霖 1杨国军 1朱浩 2董青山 2任旭辉2
作者信息
- 1. 北方自动控制技术研究所,太原 030006;智能信息控制技术山西省重点实验室,太原 030006
- 2. 北方自动控制技术研究所,太原 030006
- 折叠
摘要
针对无人机海上通信场景,对其海面多径信号传播特性进行了重点研究分析.完成了基于文氏谱的海浪模型建模;分析了海浪对多径信号传播的影响,建立了适用于不同海况下的无人机海面多径信号传播模型;仿真得到在不同海况下多径信号有效反射点数目与多径信号衰减幅度,并给出无人机通信链路误码率曲线;分析结果表明,海况恶劣程度决定海面多径信号传播情况,进而对无人机通信系统效能造成干扰,该研究为海上无人机通信系统设计具有重要意义.
Abstract
Aiming at the maritime communication scenario of UAV,the multipath signal propaga-tion characteristics on the sea surface are mainly studied and analyzed.The wave model modeling based on Wen's spectrum is completed.The influence of waves on multipath signal propagation is ana-lyzed,and the UAV multipath signal propagation model of sea surface suitable for different sea condi-tions is established.The number of effective reflection points of multipath signal and the attenuation amplitude of multipath signal under different sea conditions are obtained by simulation,and the BER curve of UAV communication link is given.The analysis results show that the harsh degree of sea con-dition determines the multipath signal propagation status on the sea surface,which in turn interferes with the effectiveness of the UAV communication system.The study has great significance for the de-sign of the maritime UAV communication system.
关键词
多径效应/海浪建模/无人机通信链路/文氏谱Key words
multipath effectiveness/wave modeling/UAV communication link/wen's spectrum引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据