一种基于多载波相位编码的雷达波形设计方法,用于抑制自相对应侧叶
1School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China.
Sensors (Basel, Switzerland)
|September 27, 2025
概括
本研究介绍了一种两阶段的方法,通过使用混乱编码和优化来减少多载体相位编码雷达波形 (MCPC) 中的侧面波. 新的AC-MCPC-g信号通过先进的侧叶抑制显著提高了雷达性能.
科学领域:
- 雷达系统工程 雷达系统工程
- 信号处理 信号处理
- 波形设计 波形设计
背景情况:
- 多载波相位编码雷达波形 (MCPC) 集成相位编码与直角频率分割复杂化 (OFDM) 宽带应用.
- 在MCPC波形中,高的自相关侧叶水平阻碍了系统的最佳性能.
研究的目的:
- 提出一种新的两阶段联合优化波形设计方法,用于提高雷达系统中的侧叶抑制.
- 开发先进的MCPC波形,克服现有设计的局限性.
主要方法:
- 采用了两阶段的方法:首先,使用混乱的时间域编码和哈明频域窗口构建一个AC-MCPC信号,用于初始侧叶减小.
- 其次,通过保持混乱编码和优化窗口功能参数,通过频域中的遗传算法来开发AC-MCPC-g信号,以进一步抑制.
主要成果:
- 拟议的AC-MCPC信号显示,与标准的MCPC信号相比,侧叶显著减少.
- 在AC-MCPC-g信号实现更大的侧叶抑制,建立在AC-MCPC设计的基础上.
结论:
- 开发的两阶段优化方法有效地抑制了多载体相位编码雷达波形中的自相对应侧叶.
- 该AC-MCPC-g信号提供了一个有希望的解决方案,通过最大限度地减少侧叶干扰来提高宽带雷达系统的性能.
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