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Method to Reduce Imaging Errors in Dynamic Target Observation of the Geostationary Interferometric Microwave Sounder
Zhang, Ying; Liu, Hao; Wu, Ji; Zhang, Cheng; He, Jieying
Department微波遥感部
Source PublicationIEEE Geoscience and Remote Sensing Letters
2017
Volume14Issue:2Pages:267-271
ISSN1545-598X
Language英语
KeywordAcoustic Devices Antenna Arrays Error Correction Geostationary Satellites Infrared Television Interferometry Microwave Acoustic Devices Sounding Apparatus Synthetic Apertures Visibility
AbstractThe Geostationary Interferometric Microwave Sounder (GIMS) is a synthetic aperture microwave sounder working in time-sharing sampling mode with a rotating circular antenna array, thus having a relatively long imaging period. Since target motion in the imaging period will pose a problem to imaging effect, observing dynamic target such as fast changing weather of tropical cyclones will introduce imaging error to the retrieved image of GIMS. A method that combines Kalman filter and interpolation to reduce imaging error are presented, which utilizes a time sequence of visibilities collected by time-sharing sampling method. Simulations of GIMS's observation process in viewing a series of near real case brightness temperature maps modeled by the National Center for Environmental Prediction Final Operational Global Analysis data/Weather Research and Forecasting Model/Radiative Transfer for Television Infrared Observation Satellite Operational Vertical Sounder method, together with postprocessing of dynamic observation error-correction processing and image retrieval are conducted for the method. Results show that the method can reduce imaging error even if there are random noises in visibilities. © 2004-2012 IEEE.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5748
Collection微波遥感部
Recommended Citation
GB/T 7714
Zhang, Ying,Liu, Hao,Wu, Ji,et al. Method to Reduce Imaging Errors in Dynamic Target Observation of the Geostationary Interferometric Microwave Sounder[J]. IEEE Geoscience and Remote Sensing Letters,2017,14(2):267-271.
APA Zhang, Ying,Liu, Hao,Wu, Ji,Zhang, Cheng,&He, Jieying.(2017).Method to Reduce Imaging Errors in Dynamic Target Observation of the Geostationary Interferometric Microwave Sounder.IEEE Geoscience and Remote Sensing Letters,14(2),267-271.
MLA Zhang, Ying,et al."Method to Reduce Imaging Errors in Dynamic Target Observation of the Geostationary Interferometric Microwave Sounder".IEEE Geoscience and Remote Sensing Letters 14.2(2017):267-271.
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