Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | E82-10376, NASA-TM-84852, SM-J0-00470, JSC-16372, NAS 1.15:84852 |
| 来源ID | NTRS_Document_ID: 19820024922 |
| A Parametric Study of Tillage Effects on Radar Backscatter | |
| Fenner, R. G.; Pels, G. F. | |
| 英文摘要 | Radar backscatter data for different field configurations and modulation function curves for angular and frequency variations are presented. A simplistic approach to modeling this effect is presented. It is concluded that: (1) row direction is a significant contributor to radar backscatter from cropland and must be considered when making radar measurements over bare or sparsely vegetated fields; (2) while the effect decrease with increasing frequency, it is still large (5 dB) at 13.3 GHz; (3) row effects are independent of linear polarization; (4) there is a strong aspect angle sensitivity which is a function of the scene and radar system parameters. |
| 英文关键词 | BACKSCATTERING FARMLANDS PLOWING RADAR SCATTERING SOIL MOISTURE AGRISTARS PROJECT EARTH RESOURCES PROGRAM LINEAR POLARIZATION SCATTEROMETERS VIEW EFFECTS |
| 出版年 | 1980 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| URL | http://hdl.handle.net/2060/19820024922 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/258849 |
| 推荐引用方式 GB/T 7714 | Fenner, R. G.,Pels, G. F.. A Parametric Study of Tillage Effects on Radar Backscatter,1980. |
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