中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
机构
采集方式
内容类型
发表日期
学科主题
筛选

浏览/检索结果: 共5条,第1-5条 帮助

条数/页: 排序方式:
Design and investigation of absolute radiance calibration primary radiometer 期刊论文  OAI收割
IET SCIENCE MEASUREMENT & TECHNOLOGY, 2018, 卷号: 12, 期号: 8, 页码: 994-1000
作者:  
Wang Yupeng;  Xia Zhiwei;  Luo Yang;  Wang Kai;  Fang Wei
  |  收藏  |  浏览/下载:77/0  |  提交时间:2019/08/26
Calibration technique of spectral radiation for an infrared trap detector 期刊论文  OAI收割
JOURNAL OF INFRARED AND MILLIMETER WAVES, 2018, 卷号: 37, 期号: 5, 页码: 572-577
作者:  
Zhang Lei;  Lin Zhi-Qiang
  |  收藏  |  浏览/下载:54/0  |  提交时间:2019/12/25
Binary Darboux transformation for a variable-coefficient nonisospectral modified Kadomtsev-Petviashvili equation with symbolic computation 期刊论文  OAI收割
NONLINEAR DYNAMICS, 2016, 卷号: 83, 期号: 3, 页码: 1463-1468
作者:  
Li, Juan;  Gu, Xing-Fa;  Yu, Tao;  Zhan, Yu-Lin;  Liu, Zhi
收藏  |  浏览/下载:19/0  |  提交时间:2017/04/24
Estimation of Upward Longwave Radiation From Vegetated Surfaces Considering Thermal Directionality 期刊论文  OAI收割
IEEE Transactions on Geoscience and Remote Sensing, 2016, 卷号: 54, 期号: 11, 页码: 6644-6658
作者:  
Hu, Tian;  Du, Yongming;  Cao, Biao;  Li, Hua;  Bian, Zunjian
收藏  |  浏览/下载:37/0  |  提交时间:2017/04/24
Level 0 and level 1 data processing for a type of hyper-spectral imager (EI CONFERENCE) 会议论文  OAI收割
2009 International Conference on Optical Instruments and Technology, OIT 2009, October 19, 2009 - October 21, 2009, Shanghai, China
Li X.; Yan C.
收藏  |  浏览/下载:71/0  |  提交时间:2013/03/25
Hyper-spectral imaging (HSI) is a kind of optical remote sensor that can simultaneously obtain spatial and spectral information of ground targets. We are now designing a data processing system for a type of space-borne push-broom HSI  then it performs radiometric and spectral calibration based on the ground calibration results and onboard calibration collection. The detailed algorithms for bad pixel replacement  which has 128 spectral channels covering the spectral range from 400nm to 2500nm. With its large amount of spectral channels  radiometric and spectral calibration were presented. After processing  the HSI collects large volume of spectral imaging data need to be efficiently and accurately processed and calibrated. In this paper  the digital numbers downlinked from the spacecraft can be converted into at-sensor absolute spectral radiance of ground targets  the detailed Level 0 and Level 1 data processing steps for the HSI were presented. The Level 0 processing refers to a set of tasks performed on the data downlinked from the spacecraft  thus providing accurate quantified spectral imaging data for various applications. 2009 SPIE.  including decoding to extract science data  separating the science data into files corresponding to different tasks (e.g. ground imaging  dark imaging  and onboard calibration)  checking data integrity and instrument settings  data format conversion  and Level 0 files creation. The Level 1 processing performs several steps on Level 0 data. Firstly  it corrects the image artifacts (mostly the SWIR smear effect)  subtracts the dark background  and performs the bad pixel replacement according to the prelaunch measurement