TY - GEN
T1 - Impacts of ionospheric scintillation on geosynchronous SAR
AU - Li, Yuanhao
AU - Hu, Cheng
AU - Dong, Xichao
AU - Zeng, Tao
AU - Long, Teng
AU - Ma, Lixiang
AU - Yang, Xiaopeng
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/11/10
Y1 - 2015/11/10
N2 - Geosynchronous Synthetic Aperture Radar (GEO SAR) will be affected by ionosphere scintillation inevitably because it usually works at L band. In this paper, GEO SAR signal model in presence of ionospheric scintillation is proposed. The scintillation sampling model is employed to simulate ionospheric scintillation data. Several GEO SAR imaging simulations in different scintillation cases and a real ionospheric scintillation measurement in Zhuhai district of China are conducted to study the impacts of ionospheric scintillation on GEO SAR in azimuth. The results suggest that ionospheric scintillation will worsen the azimuth resolution, and rise azimuth peak sidelobe ratio (PSLR), and severely deteriorate azimuth integrated sidelobe ratio (ISLR).
AB - Geosynchronous Synthetic Aperture Radar (GEO SAR) will be affected by ionosphere scintillation inevitably because it usually works at L band. In this paper, GEO SAR signal model in presence of ionospheric scintillation is proposed. The scintillation sampling model is employed to simulate ionospheric scintillation data. Several GEO SAR imaging simulations in different scintillation cases and a real ionospheric scintillation measurement in Zhuhai district of China are conducted to study the impacts of ionospheric scintillation on GEO SAR in azimuth. The results suggest that ionospheric scintillation will worsen the azimuth resolution, and rise azimuth peak sidelobe ratio (PSLR), and severely deteriorate azimuth integrated sidelobe ratio (ISLR).
KW - Geosynchronous SAR (GEO SAR)
KW - SAR imaging
KW - ionospheric scintillation
KW - scintillation sampling model
UR - http://www.scopus.com/inward/record.url?scp=84962557507&partnerID=8YFLogxK
U2 - 10.1109/IGARSS.2015.7326640
DO - 10.1109/IGARSS.2015.7326640
M3 - Conference contribution
AN - SCOPUS:84962557507
T3 - International Geoscience and Remote Sensing Symposium (IGARSS)
SP - 3754
EP - 3757
BT - 2015 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015
Y2 - 26 July 2015 through 31 July 2015
ER -