NDLI: Geosynchronous SAR raw data simulator in presence of ionospheric scintillation using reverse backprojection

Content Provider	IET Digital Library
Author	Ji, Yifei Dong, Zhen Zhang, Yongsheng Zhang, Qilei Sun, Zaoyu Li, Dexin Yu, Lei
Abstract	The future L-band geosynchronous synthetic aperture radar (GEO SAR) system will be inevitably affected by ionospheric scintillation. Due to the lack of the real system, it is necessary to achieve the scintillation-affected GEO SAR raw data for the research of influential mechanism and correction strategies. A method for the generation of scintillation-affected GEO SAR raw data is proposed that utilises the reverse backprojection (ReBP) to efficiently and accurately modulate the scintillation transfer function on GEO SAR signals. A simulation experiment for a real SAR scene from one of the ALOS-PALSAR observation is operated in case of the current inclined L-band GEO SAR system configuration. The simulation takes less time by using the ReBP, compared with the existent method, and shows the speckle-like phase error similar to the injected scintillation phase error, which validates the nice efficiency and accuracy of the proposed methodology.
Starting Page	512
Ending Page	514
Page Count	3
ISSN	00135194
Volume Number	56
e-ISSN	1350911X
Issue Number	Issue 10, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/56/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2019.4151
Journal	Electronics Letters
Publisher Date	2020-02-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Current Inclined L-band GEO SAR System Configuration Data And Information; Acquisition, Processing, Storage And Dissemination in Geophysics Electromagnetic Wave Propagation Future L-band Geosynchronous Synthetic Aperture Radar System GEO SAR Signal Geophysical Signal Processing Geophysical Technique And Equipment Geosynchronous SAR Raw Data Injected Scintillation Phase Error Instrumentation And Technique For Geophysical, Hydrospheric And Lower Atmosphere Research Ionospheric Electromagnetic Wave Propagation Ionospheric Scintillation Radar Equipment Radar Signal Processing Remote Sensing by Radar Reverse Backprojection SAR Scene Scintillation Transfer Function Scintillation-affected GEO SAR Raw Data Signal Processing And Detection Synthetic Aperture Radar System And Application
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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