姜美成,纪永刚,程啸宇,任继红,梁旭,孙伟峰

• 1:中国石油大学(华东)海洋与空间信息学院
• 2:自然资源部海上丝路海洋资源环境组网观测技术创新中心

摘要(Abstract)：

本文提出了适用于船载地波雷达展宽一阶谱识别的差值信噪比方法。通过结合仿真分析和实测试验数据，开展了船载地波雷达展宽一阶谱的频移和展宽特性分析，确定了一阶谱的最大展宽范围与平台运动速度之间的定量关系。通过分析一维多普勒频点间的差值数量关系，确定了边界预筛选准则。利用展宽一阶谱的区域连续特性，实现展宽一阶谱边界最终识别。采用船载地波雷达仿真和实测数据对所提方法的有效性进行了验证，所提方法相对于传统方法取得了较好的识别效果。

关键词(KeyWords)： 高频地波雷达;一阶谱;差值信噪比;特性分析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(62271507,62031015);; 山东省自然科学基金项目(ZR202112010167)资助~~

作者(Author): 姜美成,纪永刚,程啸宇,任继红,梁旭,孙伟峰

DOI: 10.16441/j.cnki.hdxb.20220456

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