Multiangle Bistatic SAR Imaging and Fusion Based on BeiDou-2 Navigation Satellite System
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摘要: GNSS-BSAR 是一种利用导航卫星作为发射机的双基地SAR (BSAR)系统,具有系统代价低等特点,但是其图像分辨率差、信噪比低。结合我国现有的北斗导航卫星系统,该文提出了一种BSAR 多角度观测与数据处理方法,实现了对目标区域的多角度观测,共获取了26 种几何配置下的图像,并提出一种感兴趣区域融合方法生成了多融合图像。获得了较高质量的图像,证明了多角度融合是一种扩展GNSS-BSAR 遥感应用的有效途径。
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关键词:
- 双基地SAR (BSAR) /
- 导航卫星 /
- 多角度 /
- 图像融合 /
- 图像解译
Abstract: Bistatic Synthetic Aperture Radar (BSAR) based on the Global Navigation Service System (GNSSBSAR) uses navigation satellites as radar transmitters, which are low in cost. However, GNSS-BSAR images have poor resolution and low Signal-to-Noise Ratios (SNR). In this paper, a multiangle observation and data processing strategy are presented based on BeiDou-2 navigation satellite imagery, from which twenty-six BSAR images in different configurations are obtained. A region-based fusion algorithm using region of interest segmentation is proposed, and a high-quality fusion image is obtained. The results reveal that the multiangle imaging method can extend the applications of GNSS-BSAR. 期刊类型引用(4)
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3. 杨磊,朱云龙,杨东凯. GNSS-R信号的海面SAR成像应用. 导航定位学报. 2017(03): 94-100 . 百度学术
4. 冉达,尹灿斌,贾鑫. 多角度合成孔径雷达成像技术研究进展. 装备学院学报. 2016(04): 86-92 . 百度学术
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