TY - GEN
T1 - A PS Deformation Estimation and Error Compensation Algorithm Based on Temporal Coherence for GNSS-based InBSAR
AU - Yang, Xianchao
AU - Liu, Feifeng
AU - Wang, Zhanze
AU - Xu, Zhixiang
AU - Duan, Yunxuan
AU - Chen, Jiayu
N1 - Publisher Copyright:
© 2024 IEEE.
PY - 2024
Y1 - 2024
N2 - Global Navigation Satellite System-based Bistatic Synthetic Aperture Radar Interferometry (GNSS-based InBSAR) uses on-orbit satellites as transmitters. Therefore, its cost is much lower than that of spaceborne InSAR system. Meanwhile, its repeat-pass time is shorter lead to faster monitoring frequency. However, the system characteristic of low SNR leads to low accuracy of deformation phase extraction. In this paper, A PS deformation estimation and error compensation algorithm based on temporal coherence is proposed. The interferometric phase model of PS in line of sight direction is established. The coherence coefficient is introduced to iteratively estimate the atmospheric phase, deformation rate and deformation acceleration. The IGSO raw data of Beidou navigation satellite are processed. the experimental results show that the average accuracy is 19.48 mm, where the optimal accuracy can reach 16.14 mm.
AB - Global Navigation Satellite System-based Bistatic Synthetic Aperture Radar Interferometry (GNSS-based InBSAR) uses on-orbit satellites as transmitters. Therefore, its cost is much lower than that of spaceborne InSAR system. Meanwhile, its repeat-pass time is shorter lead to faster monitoring frequency. However, the system characteristic of low SNR leads to low accuracy of deformation phase extraction. In this paper, A PS deformation estimation and error compensation algorithm based on temporal coherence is proposed. The interferometric phase model of PS in line of sight direction is established. The coherence coefficient is introduced to iteratively estimate the atmospheric phase, deformation rate and deformation acceleration. The IGSO raw data of Beidou navigation satellite are processed. the experimental results show that the average accuracy is 19.48 mm, where the optimal accuracy can reach 16.14 mm.
KW - error compensation
KW - GNSS-based InBSAR
KW - PS deformation estimation
UR - http://www.scopus.com/inward/record.url?scp=86000024321&partnerID=8YFLogxK
U2 - 10.1109/ICSIDP62679.2024.10869081
DO - 10.1109/ICSIDP62679.2024.10869081
M3 - Conference contribution
AN - SCOPUS:86000024321
T3 - IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2024
BT - IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2024
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2nd IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2024
Y2 - 22 November 2024 through 24 November 2024
ER -