Signal simplification and cloud detection with an improved Douglas-Peucker algorithm for single-channel lidar
文献类型：期刊论文
| 作者 | Gong, Wei1; Mao, Feiyue1; Song, Shalei2 |
| 刊名 | METEOROLOGY AND ATMOSPHERIC PHYSICS
 |
| 出版日期 | 2011-06-01 |
| 卷号 | 113期号:1-2页码:89-97 |
| 产权排序 | 第二 |
| 通讯作者 | Gong,W |
| 英文摘要 | Single-channel lidar is a widely used system in atmospheric aerosol and cloud detection. However, many difficulties remain in the automatic and accurate identification of cloud from backscatter signals. Popular methods have been proposed, but there is still large uncertainty in cloud detection, especially when the signal-to-noise ratio is low. In this study, a signal simplification approach based on an improved Douglas-Peucker algorithm is proposed. The layer base and top are then selected using the simplified signal and the raw range-corrected signal. Finally, we use a peak-to-base ratio function to distinguish a cloud layer from a non-cloud layer. The detection results of our algorithm are remarkably better than those obtained using the differential zero-crossing method. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | 原子分子物理学 |
| 类目[WOS] | Meteorology & Atmospheric Sciences |
| 研究领域[WOS] | Meteorology & Atmospheric Sciences |
| 关键词[WOS] | ENTRAINMENT ZONE THICKNESS ; BOUNDARY-LAYER ; BACKSCATTER PROFILES ; BASE HEIGHT ; TOP |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000291748300008 |
| 源URL | [http://ir.wipm.ac.cn/handle/112942/1774]  |
| 专题 | 武汉物理与数学研究所_2011年以前论文发表（包括2011年） |
| 作者单位 | 1.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Peoples R China 2.Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gong, Wei,Mao, Feiyue,Song, Shalei. Signal simplification and cloud detection with an improved Douglas-Peucker algorithm for single-channel lidar[J]. METEOROLOGY AND ATMOSPHERIC PHYSICS,2011,113(1-2):89-97. |
| APA | Gong, Wei,Mao, Feiyue,&Song, Shalei.(2011).Signal simplification and cloud detection with an improved Douglas-Peucker algorithm for single-channel lidar.METEOROLOGY AND ATMOSPHERIC PHYSICS,113(1-2),89-97. |
| MLA | Gong, Wei,et al."Signal simplification and cloud detection with an improved Douglas-Peucker algorithm for single-channel lidar".METEOROLOGY AND ATMOSPHERIC PHYSICS 113.1-2(2011):89-97. |
入库方式： OAI收割
来源：武汉物理与数学研究所
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