| 题名: | ANALYSIS OF BACKUS-GILBERT APPROACH ON RESOLUTION ENHANCEMENT OF DUAL-FREQUENCY POLARIZED SCATTEROMETER |
| 作者: | Liu, Liling; Dong, Xiaolong; Lin, Wenming; Zhu, Jintai; Zhu, Di
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| 作者部门: | 微波遥感部
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| 会议名称: | IEEE International Geoscience & Remote Sensing Symposium
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| 会议日期: | JUL 23-28, 2017
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| 会议地点: | Fort Worth, TX
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| 会议录: | 2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
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| 出版日期: | 2017
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| 收录类别: | CPCI
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| 页码: | 5038-5041
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| ISSN号: | 2153-6996
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| ISBN号: | 978-1-5090-4951-6
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| 关键词: | Backus-Gilbert method
; resolution
; precision
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| 英文摘要: | Dual-Frequency Polarized Scatterometer (DPS) is a new system utilizing Doppler Beam Sharpening (DBS) technology for resolution enhancement. Respecting the low azimuth resolution over nadir swath, the Backus-Gilbert method is investigated to improve the resolution. According to the precision definition of scatterometer measurement, a Backus-Gilbert method for scatterometer is derived. Using the method, the tradeoff of resolution and precision of resolution-enhanced backscatter (normalized radar cross section, sigma(0)) is established in a quantitative manner. The results show that resolution enhancement is achieved by the price of greatly decreased precision of reconstructed backscatter. |
| 语种: | 英语
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| 内容类型: | 会议论文
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| URI标识: | http://ir.nssc.ac.cn/handle/122/6277
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| Appears in Collections: | 微波遥感部_会议论文
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