Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Qifei du"'
Autor:
Tongsheng Qiu, Qi Zheng, Xianyi Wang, Feixiong Huang, Junming Xia, Fu Li, Zhuoyan Wang, Yueqiang Sun, Qifei Du, Weihua Bai, Yuerong Cai, Dongwei Wang, Yusen Tian, Shuangshuang Cheng
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 2201-2212 (2024)
Based on delay-Doppler maps (DDMs) in raw counts generated by spaceborne global navigation satellite system reflectometry (GNSS-R) receivers, retrieving ocean surface wind speeds is feasible, so several spaceborne GNSS-R missions have been carried ou
Externí odkaz:
https://doaj.org/article/3d5f339d52474fe4a357d96295a2a0e1
Autor:
Jiahui Liang, Congliang Liu, Xi Wang, Xiangguang Meng, Yueqiang Sun, Mi Liao, Xiuqing Hu, Wenqiang Lu, Jinsong Wang, Peng Zhang, Guanglin Yang, Na Xu, Weihua Bai, Qifei Du, Peng Hu, Guangyuan Tan, Xianyi Wang, Junming Xia, Feixiong Huang, Cong Yin, Yuerong Cai, Peixian Li
Publikováno v:
Remote Sensing, Vol 16, Iss 20, p 3808 (2024)
The spatial–temporal sampling errors arising from the differences in geographical locations and measurement times between co-located Global Navigation Satellite System (GNSS) radio occultation (RO) and radiosonde (RS) data represent systematic erro
Externí odkaz:
https://doaj.org/article/27e5a2c518934dbf9ae76d47272fabb9
Autor:
Yueqiang Sun, Feixiong Huang, Junming Xia, Cong Yin, Weihua Bai, Qifei Du, Xianyi Wang, Yuerong Cai, Wei Li, Guanglin Yang, Xiaochun Zhai, Na Xu, Xiuqing Hu, Yan Liu, Cheng Liu, Dongwei Wang, Tongsheng Qiu, Yusen Tian, Lichang Duan, Fu Li, Xiangguang Meng, Congliang Liu, Guangyuan Tan, Peng Hu, Ruhan Wu, Dongmei Song
Publikováno v:
Remote Sensing, Vol 15, Iss 24, p 5756 (2023)
The Global Navigation Satellite System Occultation Sounder II (GNOS-II) payload onboard the Chinese Fengyun-3E (FY-3E) satellite is the world’s first operational spaceborne mission that can utilize reflected signals from multiple navigation systems
Externí odkaz:
https://doaj.org/article/6372e800e8bd4be1b76e2aaadd4b4890
Autor:
Wei Li, Yueqiang Sun, Weihua Bai, Qifei Du, Xianyi Wang, Dongwei Wang, Congliang Liu, Fu Li, Shengyu Kang, Hongqing Song
Publikováno v:
Remote Sensing, Vol 16, Iss 1, p 87 (2023)
The global navigation satellite system radio occultation (GNSS-RO) is an important means of space-based meteorological observation. It is necessary to test the Global Navigation Satellite System Occultation signal receiver on the ground before the de
Externí odkaz:
https://doaj.org/article/b7db30cb182c40ee9ef2233acacb8e16
Autor:
Congliang Liu, Mi Liao, Yueqiang Sun, Xi Wang, Jiahui Liang, Xiuqing Hu, Peng Zhang, Guanglin Yang, Yan Liu, Jinsong Wang, Weihua Bai, Qifei Du, Xiangguang Meng, Peng Hu, Guangyuan Tan, Xianyi Wang, Junming Xia, Feixiong Huang, Cong Yin, Yuerong Cai, Wei Li, Peixian Li, Gottfried Kirchengast
Publikováno v:
Remote Sensing, Vol 15, Iss 20, p 5011 (2023)
The FengYun-3E Global Navigation Satellite System (GNSS) occultation sounder II (FY-3E GNOS II) was launched on 5 July 2021. For the first time, based on the new GNOS II sensor, this mission realizes radio occultation (RO) and reflectometry observati
Externí odkaz:
https://doaj.org/article/14026ae431c14a22a19c98c98f43ba03
Autor:
Guangyuan Tan, Guanglin Yang, Jingsong Wang, Weihua Bai, Yueqiang Sun, Xiuqing Hu, Peng Zhang, Qifei Du, Xianyi Wang, Xiangguang Meng, Congliang Liu, Peng Hu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 10006-10016 (2022)
The FY3C/GNOS launched in 2013 can only detect the scintillation of GPS navigation signals, while the FY3D satellite launched in 2017 supports the scintillation observation of BeiDou navigation satellite system (BDS) signals, thus enabling simultaneo
Externí odkaz:
https://doaj.org/article/e6ea9865f349490c8c31b612bf03899e
Autor:
Weihua Bai, Xiaoxu Liu, Guangyuan Tan, Yueqiang Sun, Qifei Du, Xiangguang Meng, Congliang Liu, Junming Xia, Cong Yin, Feixiong Huang, Peng Hu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 9775-9784 (2022)
Global navigation satellite system (GNSS) radio occultation (RO) is a novel detection technique that can provide global ionospheric products with high vertical resolution, high precision, and low cost. In recent years, China has launched the Fengyun-
Externí odkaz:
https://doaj.org/article/f3ebb203afe4459abb878ced64717b4f
Autor:
Feixiong Huang, Junming Xia, Cong Yin, Xiaochun Zhai, Na Xu, Guanglin Yang, Weihua Bai, Yueqiang Sun, Qifei Du, Mi Liao, Xiuqing Hu, Peng Zhang, Lichang Duan, Yan Liu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 7899-7912 (2022)
Two different Global Navigation Satellite System (GNSS) Reflectometry wind products are to be developed for the Global Navigation Satellite System Occultation Sounder II (GNOS-II) payload on the FengYun-3E (FY-3E) satellite: A global wind product opt
Externí odkaz:
https://doaj.org/article/a3479df0a8cd457bb3442e3a512cc894
Autor:
Ming Yang, Xiangguang Meng, Haoran Tian, Yueqiang Sun, Qifei Du, Weihua Bai, Bowen Wang, Xianyi Wang, Peng Hu, Guangyuan Tan
Publikováno v:
Remote Sensing, Vol 15, Iss 18, p 4410 (2023)
This article proposes a single-frequency occultation method whose core is the reconstruction of a second frequency measurement. We process the actual received Galileo E1 single-frequency occultation observation data of FengYun3E to meet the urgent ne
Externí odkaz:
https://doaj.org/article/0781a7451c4b488f9d431491834f65bc
Publikováno v:
IET Radar, Sonar & Navigation, Vol 15, Iss 9, Pp 1061-1072 (2021)
Abstract The BDS‐3 recently started broadcasting a new civil B1C signal to provide open services for global users, which brings benefits to GNSS‐based applications. The BDS‐3 B1C signal modulates a long secondary code on the primary code in the
Externí odkaz:
https://doaj.org/article/5375dd8df4834335ab544dbcc102ab76