搜索和研究标记的代码结构,用于空间分布的小型空载雷达系统
Vadim A Nenashev1, Sergey A Nenashev1
1Saint-Petersburg State University of Aerospace Instrumentation, 67, Bolshaya Morskaia Str., 190000 Saint-Petersburg, Russia.
Sensors (Basel, Switzerland)
|August 12, 2023
概括
本研究引入了多位置雷达系统的新型标记代码结构. 这些代码通过使每个雷达的独特信号识别成为可能,从而增强地形绘制,改善数据集成和物体检测.
科学领域:
- 遥感 遥感 遥感 遥感
- 雷达系统工程 雷达系统工程
- 信号处理 信号处理
背景情况:
- 使用小型无人机的多位置雷达系统通过整合多角度数据来增强地形信息.
- 独特的标记信号对于将反射信号连接到这些系统中的特定发射位置至关重要.
- 在共同的雷达通道中识别这些独特的信号对于有效的数据处理至关重要.
研究的目的:
- 对多位置雷达探测信号进行研究和选择具有低侧叶和均交叉相关性的代码结构.
- 开发一种用于搜索多位置车载系统的新型标记代码结构的方法.
- 通过先进的信号调制,实现精确的物体检测和高分辨率的雷达成像.
主要方法:
- 对古典和修改的巴克码侧叶水平的分析.
- 对M序列生成特征的研究.
- 开发一种技术,通过修改M序列来搜索新的标记代码结构,重点关注相互相关性质.
- 计算机实验以评估新标记代码的相关性.
主要成果:
- 确定不对称的字母表巴克尔代码对较长的序列有效.
- 开发了一种产生具有理想相关性质的修改M序列的方法.
- 计算机模拟证实了为多位置雷达应用提出的标记代码结构的有效性.
结论:
- 拟议的新型标记代码结构对于空间分布的多位置雷达系统中合成探测信号至关重要.
- 这些代码有助于高概率的物体检测和精确的坐标确定.
- 这些发现支持在多位置遥感中形成高分辨率雷达图像.
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