| 星载相控阵GNSS-R测高系统设计与实验 |
| |
| 引用本文： | 周勃,秦瑾,姚崇斌,冯剑锋,杜璞玉,孟婉婷.星载相控阵GNSS-R测高系统设计与实验[J].上海航天,2018(2):110-120. |
| |
| 作者姓名： | 周勃 秦瑾 姚崇斌 冯剑锋 杜璞玉 孟婉婷 |
| |
| 作者单位： | 上海航天电子技术研究所 |
| |
| 基金项目： | 原总装备部预研基金(9140A21070113HT90310)；中国航天科技集团公司科技创新项目；上海市科委军民两用项目(14DZ1110300) |
| |
| 摘 要： | 星载GNSS-R测高系统采用多波束相控阵天线和干涉互相关处理方式,接收北斗导航卫星和GPS导航卫星发射的L波段导航直射信号与海面反射信号,进行海面高度探测。详细介绍GNSS-R测高系统设计与实现、集成和外场试验等,外场试验不仅验证了相控阵GNSS-R测高系统功能,更重要的是验证了核心软件算法的正确性。GNSS-R测高系统适用于中尺度海洋现象的观测,可在时间和空间尺度上扩展雷达高度计的观测能力,并与之相互补充,有利于对复杂海面的中尺度结构进行较高时间分辨率的观测。GNSS-R测高仪为星载高精度海面高度探测提供了新型载荷。
|
| 关 键 词： | 相控阵 GNSS-R 多波束 海面高度 镜面反射点 反演 多普勒延迟映射 互相关 |
| 收稿时间： | 2017/12/20 0:00:00 |
| 修稿时间： | 2018/2/10 0:00:00 |
Space-Borne GNSS-R Altimeter System Design and Field Experiment |
| |
| ZHOU Bo,QIN Jin,YAO Chongbin,FENG Jianfeng,DU Puyu and MENG Wanting.Space-Borne GNSS-R Altimeter System Design and Field Experiment[J].Aerospace Shanghai,2018(2):110-120. |
| |
| Authors: | ZHOU Bo QIN Jin YAO Chongbin FENG Jianfeng DU Puyu and MENG Wanting |
| |
| Institution: | Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China,Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China,Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China,Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China,Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China and Shanghai Aerospace Electronic Technology Institute, Shanghai 201109, China |
| |
| Abstract: | The space-borne global navigation satellite system-reflection (GNSS-R) altimeter system adopts multi-beam phased array antenna and cross correlation. It receives the L band direct signals from Beidou and GPS navigation satellites and the corresponding reflected signals from the sea surface, to measure the sea surface height. This paper gives a detailed introduction to the design, implementation, integration, and field experiment of the system. The field experiment not only verifies the system function, but also verifies the correction of the core software algorithm. The altimeter is suitable for the observation of mesoscale oceanic phenomena. It can extend the observational ability of radar altimeter on temporal scale and spatial scale, and make them complement each other, which helps to observe the mesoscale structure of complex sea surface with better time resolution. The altimeter provides a novel payload for space-borne high precision sea surface height measurement. |
| |
| Keywords: | phased array GNSS-R multi-beam sea surface height specular reflection point retrieval Doppler delay mapping cross correlation |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《上海航天》浏览原始摘要信息 |
| 点击此处可从《上海航天》下载免费的PDF全文 |
|
