簇飞行网络雷达几何构型对模糊函数的影响

夏明飞; 胡圣波; 莫金容; 施燕峰; 鄢婷婷; 雷涛; 秦婵婵

doi:10.11728/cjss2019.06.816

簇飞行网络雷达几何构型对模糊函数的影响

doi: 10.11728/cjss2019.06.816

1. 贵州师范大学智能信息处理研究所贵阳 550025;
2. 西昌卫星发射中心西昌 615000

基金项目:

国家自然科学基金项目资助（61561009）

详细信息

作者简介:
夏明飞,E-mail:boyxmfei@126.com

中图分类号: P236;TN95
计量
- 文章访问数: 693
- HTML全文浏览量: 60
- PDF下载量: 62
- 被引次数: 0
出版历程
- 收稿日期: 2018-07-05
- 修回日期: 2019-04-02
- 刊出日期: 2019-11-15

Effects of Geometry Configurations on Ambiguity Function for Cluster Flight Netted Radar

1 Institute of Intelligent Information Processing, Guizhou Normal University, Guiyang 550025;
2 Xichang Satellite Launch Center, Xichang 615000

摘要

摘要: 提出了集分离航天器与网络雷达为一体的簇飞行网络雷达概念.通过引入双基地雷达模糊函数，给出簇飞行网络雷达模糊函数定义和计算步骤，研究了雷达几何构型和簇飞行雷达之间相对有界基线对模糊函数的影响.数值计算结果表明：与单基地雷达模糊函数相比，网络雷达模糊函数主瓣宽度明显变窄，簇飞行模式下可变基线对雷达模糊函数的影响不大；雷达模糊函数应主要考虑目标飞行速度和接收距离变化的影响.最后，给出了簇飞行网络雷达模糊函数的一种上界.
- 簇飞行 /
- 距离有界 /
- 模糊函数 /
- Jensen不等式 /
- 近圆轨道
Abstract: Network radar is composed of several space-separated, independent and cooperative radars. Compared with traditional single base station radar and dual base station radar, network radar has many advantages. In this paper, the concept of cluster flight netted radar integrated of the cluster flight spacecraft and the netted radar is proposed. The geometry of bistatic radar, the geometry of near-circular orbit cluster flight bistatic radar and the topology model of near-circular orbit cluster flight netted radar are calculated. The definition and calculation steps of the ambiguity function for the cluster flight netted radar are given using the ambiguity function for the conventional bistatic radar. The effects of geometry configuration and the variable baseline on ambiguity function are presented. The numerical calculation shows that the main lobe width of the ambiguity function of the netted radar is obviously narrowed compared with the single radar, and the variable baseline has little influence on the radar ambiguity function. The radar ambiguity function is mainly affected by the target flight speed and the distance. Finally, an upper bound of ambiguity function of cluster flight netted radar is given.
- Cluster flight /
- Distance bounded /
- Ambiguity function /
- Jensen Inequality /
- Near circular orbit

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参考文献(30)

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