Correction Method Based on 4-D Electronic Density of Ionospheric Effects Induced by Temporal Variability on GEOSAR
MING Feng①② HONG Jun①② ZHANG Hongyi①③ LI Liang①②
①(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China) ②(Sciences and Technology on Microwave Imaging Laboratory, Beijing 100190, China) ③(University of Chinese Academy of Sciences, Beijing 100049, China)
Abstract:The conventional correction method based on invariable TEC is no longer applicable to GEOSAR, because the temporal variability of ionosphere exits in synthetic aperture time of GEOSAR. In this paper, a correction method based on 4-D electronic density is put forward. This method is validated using actual data of ionosphere and the results indicate that this method can correct the ionospheric effects induced by temporal variability on GEOSAR effectively.
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MING Feng, HONG Jun, ZHANG Hongyi, LI Liang. Correction Method Based on 4-D Electronic Density of Ionospheric Effects Induced by Temporal Variability on GEOSAR. JEIT, 2017, 39(10): 2311-2316.
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