A full-polarization GNSS-R Delay-Doppler-Map (DDM) simulator for bare soil freeze/thaw process detection
文献类型：期刊论文
| 作者 | Wu, Xuerui1,2,3; Jin, Shuanggen1,3; Ouyang, Xinqiu4 |
| 刊名 | GEOSCIENCE LETTERS
 |
| 出版日期 | 2020-03-30 |
| 卷号 | 7期号:1页码:9 |
| 关键词 | GNSS-R Delay Doppler Map (DDM) Electromagnetic models Full polarizations Bare soil freeze thaw process |
| ISSN号 | 2196-4092 |
| DOI | 10.1186/s40562-020-00154-8 |
| 英文摘要 | The soil freeze/thaw processes have a significant impact on the surface energy and moisture balance, which play a key role in ecosystem diversity and productivity. The air-/space-borne Global Navigation Satellite System (GNSS)-Reflectometry (GNSS-R) is a bistatic radar with receiving power as the Delay Doppler Map (DDM), which may monitor soil freeze/thaw processes. However, the scattering mechanism of monitoring soil freeze/thaw processes by GNSS-R DDM is not clear. In this paper, it is the first time to simulate full-polarization GNSS-R Delay-Doppler-Map (DDM) for bare soil freeze/thaw process, not only the linear polarization but also the circular polarizations. As the bare soil freeze/thaw process occurs, the corresponding DDM variations are able to present by this simulator. Other geophysical parameters, such as soil moisture and surface roughness, are also two important parameters affecting the final GNSS-R receiver power and their effects on DDM are also presented by the simulator. This simulator can be a potentially efficient tool for data analysis and interoperation of GNSS-R received power as well as the in situ experimental design. |
| WOS关键词 | MICROWAVE DIELECTRIC BEHAVIOR ; INTERFEROMETRIC REFLECTOMETRY ; WET SOIL ; SCATTERING ; MOISTURE ; MODEL |
| 资助项目 | Natural Science Foundation of China (NSFC) Project[41501384] |
| WOS研究方向 | Geology ; Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000524339100001 |
| 出版者 | SPRINGER |
| 资助机构 | Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project ; Natural Science Foundation of China (NSFC) Project |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/55929]  |
| 专题 | 中国科学院国家天文台 |
| 通讯作者 | Wu, Xuerui |
| 作者单位 | 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Chifeng Univ, Sch Resources Environm & Architectural Engn, Inner Mongolia, Peoples R China 3.Chinese Acad Sci, Shanghai Key Lab Space Nav & Positioning Tech, Shanghai 200030, Peoples R China 4.Sun Yat Sen Univ, Sch Geograghy & Planning, Guangzhou 510275, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Xuerui,Jin, Shuanggen,Ouyang, Xinqiu. A full-polarization GNSS-R Delay-Doppler-Map (DDM) simulator for bare soil freeze/thaw process detection[J]. GEOSCIENCE LETTERS,2020,7(1):9. |
| APA | Wu, Xuerui,Jin, Shuanggen,&Ouyang, Xinqiu.(2020).A full-polarization GNSS-R Delay-Doppler-Map (DDM) simulator for bare soil freeze/thaw process detection.GEOSCIENCE LETTERS,7(1),9. |
| MLA | Wu, Xuerui,et al."A full-polarization GNSS-R Delay-Doppler-Map (DDM) simulator for bare soil freeze/thaw process detection".GEOSCIENCE LETTERS 7.1(2020):9. |
入库方式： OAI收割
来源：国家天文台
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