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科研机构
北京大学 [2]
地理科学与资源研究所 [1]
长春光学精密机械与物... [1]
武汉大学 [1]
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期刊论文 [5]
会议论文 [1]
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Normalized Difference Vegetation Index Continuity of the Landsat 4-5 MSS and TM: Investigations Based on Simulation
期刊论文
REMOTE SENSING, 2019, 卷号: 11, 期号: 14, 页码: -
作者:
Chen, Feng
;
Lou, Shenlong
;
Fan, Qiancong
;
Wang, Chenxing
;
Claverie, Martin
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2020/10/19
vegetation index
Landsat
transformation
continuity
spectral response function
Collection 1
Hyperion
Assessment of MODIS BRDF/Albedo Model Parameters (MCD43A1 Collection 6) for Directional Reflectance Retrieval
期刊论文
REMOTE SENSING, 2017, 卷号: 9, 期号: 11, 页码: 16
作者:
Che, Xianghong
;
Feng, Min
;
Sexton, Joseph O.
;
Channan, Saurabh
;
Yang, Yaping
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  |  
浏览/下载:31/0
  |  
提交时间:2019/09/25
directional reflectance
BRDF correction
Moderate Resolution Imaging Spectroradiometer (MODIS)
MCD43A1 Collection 6
Evaluation of MODIS LAI/FPAR Product Collection 6. Part 2: Validation and Intercomparison
期刊论文
REMOTE SENSING, 2016
Yan, Kai
;
Park, Taejin
;
Yan, Guangjian
;
Liu, Zhao
;
Yang, Bin
;
Chen, Chi
;
Nemani, Ramakrishna R.
;
Knyazikhin, Yuri
;
Myneni, Ranga B.
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  |  
浏览/下载:33/0
  |  
提交时间:2017/12/03
Leaf Area Index (LAI)
Fraction of Photosynthetically-Active Radiation (FPAR)
MODIS
Collection 6
evaluation
validation
intercomparison
LEAF-AREA INDEX
ESSENTIAL CLIMATE VARIABLES
CYCLOPES GLOBAL PRODUCTS
LAI PRODUCTS
VEGETATION INDEX
GEOV1 LAI
SERIES
FAPAR
PRINCIPLES
ALGORITHM
Lightning transient characteristics of cable power collection system in wind power plants
期刊论文
IET Renewable Power Generation, 2015, 卷号: 9, 期号: 8
作者:
Li, Xianqiang
;
Wang, Jianguo
;
Wang, Yu
;
Fan, Yadong
;
Zhang, Baoquan
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  |  
浏览/下载:19/0
  |  
提交时间:2019/12/05
wind power plants
power cables
arresters
overvoltage protection
lightning protection
wind turbines
turbogenerators
power transformers
lightning transient characteristics
cable power collection system
CPCS
wind power plants
electrical equipments
nacelle step-up transformer
electromagnetic transient simulation
optimal lightning overvoltage protection method
lightning current
grounding resistance
wind turbine generator
WTG
arrester blasting
damage mechanism
nominal discharge current value
voltage 35 kV
current 200 kA
current 27
1 kA
Investigation of transfer behavior of protonated pyridine at the liquid/liquid interface using dual micropipettes
期刊论文
journal of electroanalytical chemistry, 2011
Meng, Xin
;
Liang, Zhongwei
;
Li, Bo
;
Xu, Xiaodong
;
Li, Qing
;
Zhao, Wenbo
;
Xie, Shubao
;
Shao, Yuanhua
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
Dual micropipette
Generation/collection voltammetry
Ionizable species transfer
Water/1,2-dichloroethane interface
ELECTROCHEMICAL MICROSCOPY SECM
ION-TRANSFER-REACTIONS
WATER/1,2-DICHLOROETHANE INTERFACE
ORGANIC SOLUTIONS
CHARGE-TRANSFER
POTASSIUM-ION
VOLTAMMETRY
ITIES
WATER
DIBENZO-18-CROWN-6
Level 0 and level 1 data processing for a type of hyper-spectral imager (EI CONFERENCE)
会议论文
2009 International Conference on Optical Instruments and Technology, OIT 2009, October 19, 2009 - October 21, 2009, Shanghai, China
Li X.
;
Yan C.
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浏览/下载:62/0
  |  
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
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