Effects of apodization functions of imaging fourier transform spectrometer on reconstructed spectrum
文献类型：期刊论文
| 作者 | Zhang Wen-Juan1,2; Zhang Bing3; Zhang Xia1; Gao Lian-Ru3; Zhang Wei4 |
| 刊名 | Journal of infrared and millimeter waves
 |
| 出版日期 | 2008-06-01 |
| 卷号 | 27期号:3页码:227-+ |
| 关键词 | Hyperspectral remote sensing Imaging fourier transform spectrometer(ifts) Apodization function Spectrum reconstruction Vegetation indices |
| ISSN号 | 1001-9014 |
| 通讯作者 | Zhang wen-juan() |
| 英文摘要 | The imaging fourier transform spectrometer (ifts) hjy20-1-a onboard china small satellite "hj-1a" will be launched soon. as a new and challenging type of imaging spectrometer, its successful launch implies ifts will play an important role in hyperspectral remote sensing applications, in which apodization function is an important part of interferogram pre-processing, and it has a powerful effect on the accuracy of reconstructed spectra. hence, it is necessary to analyze the effect of apodization functions on reconstructed spectra. the reconstructed spectra of 24 kinds of typical surface objects were simulated under four different apodization functions and four different max optical path differences (one for hjy20-1-a) in this paper. results shows that 1) harming function is the most stable and efficient. apodization function; 2) although the accuracy of reconstructed spectrum is improved by apodization functions, the accuracy is not very high, especially for hjy20-1-a. finally, an improved algorithm based on the standardization of the instrument line shape function (ils) was proposed, the reconstructed spectrum by this algorithm was gained with higher accuracy. for reconstructed spectra with hjy20-1-a, three typical vegetation indices were calculated. the calculated results agrees with those obtained by the real spectra. |
| WOS关键词 | VEGETATION |
| WOS研究方向 | Optics |
| WOS类目 | Optics |
| 语种 | 英语 |
| WOS记录号 | WOS:000257169000017 |
| 出版者 | SCIENCE CHINA PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2389797 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Zhang Wen-Juan |
| 作者单位 | 1.Chinese Acad Sci, Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Ctr Earth Observat & Digital Earth, Beijing 100080, Peoples R China 4.Hefei Univ Technol, Sch Sci, Hefei 230009, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang Wen-Juan,Zhang Bing,Zhang Xia,et al. Effects of apodization functions of imaging fourier transform spectrometer on reconstructed spectrum[J]. Journal of infrared and millimeter waves,2008,27(3):227-+. |
| APA | Zhang Wen-Juan,Zhang Bing,Zhang Xia,Gao Lian-Ru,&Zhang Wei.(2008).Effects of apodization functions of imaging fourier transform spectrometer on reconstructed spectrum.Journal of infrared and millimeter waves,27(3),227-+. |
| MLA | Zhang Wen-Juan,et al."Effects of apodization functions of imaging fourier transform spectrometer on reconstructed spectrum".Journal of infrared and millimeter waves 27.3(2008):227-+. |
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来源：中国科学院大学
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