Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Qijin Han"'
Autor:
Ruoxi Yang, Lingling Ma, Yongguang Zhao, Xin Lu, Renfei Wang, Wan Li, Beibei Zhang, Qijin Han, Qiongqiong Lan, Qingchuan Zheng, Xiaoxin Hou, Jianghong Zhao, Xiang Zhou
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 17522-17539 (2024)
The retrieval of aerosol optical depth (AOD) from remote sensing data using the dark object (DO) method, which utilizes the measured radiance in areas with dark underlying scenes, such as dark vegetation or shadowed areas, is widely applied in atmosp
Externí odkaz:
https://doaj.org/article/68220e42cb5745a0b0069f3a266aa525
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16497-16510 (2024)
LuTan-1 (LT-1) is China's first L-band differential interferometric synthetic aperture radar (SAR) satellite system, and also the first twin L-band SAR satellite system in the world. Geometric accuracy is one of the most crucial indicators for remote
Externí odkaz:
https://doaj.org/article/b56711caefe44092908a33fc67d980c4
Autor:
Yingxian Wang, Yaokai Liu, Weiwei Zhao, Jian Zeng, Huixian Wang, Renfei Wang, Zhaopeng Xu, Qijin Han
Publikováno v:
Remote Sensing, Vol 16, Iss 7, p 1287 (2024)
The GaoFen6 (GF-6) satellite, equipped with a wide full-swath (WFV) sensor, offers high spatial resolution and extensive coverage, making it widely utilized in agricultural and forestry classification, land resource monitoring, and other fields. Accu
Externí odkaz:
https://doaj.org/article/ab1b620c3a1a4357ab1d44150ebf1db9
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 1283-1292 (2022)
The Chinese second-generationHuanjing disaster monitoring satellite (HJ-2A) was launched on September 27, 2020, and underutilized due to the lack of accurate operational methodologies for land surface temperature (LST) retrieval.In this article, an o
Externí odkaz:
https://doaj.org/article/0fbdf3e382b447ef99143480722006a1
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
Abstract Since its launch on September 6, 2008, HJ-1A has been in the orbit for 13 years. The CCD1 sensor on the HJ-1A has four reflected solar bands. Since the calibration frequency is limited to the annual site calibration, cross-calibration is an
Externí odkaz:
https://doaj.org/article/bef237b54af84577bb92e2366d3f4024
Publikováno v:
IEEE Access, Vol 9, Pp 9403-9410 (2021)
Surface temperature (ST) plays a great role in urban heat island effect, environment monitoring, earth resources monitoring, and water balance at local and global scales. The Chinese Gaofen-5 (GF5) satellite can capture Earth's thermal infrared infor
Externí odkaz:
https://doaj.org/article/e56d4749a8304d2a94bcaacdb1496108
An Approach for Evaluating Multisite Radiometry Calibration of Sentinel-2B/MSI Using RadCalNet Sites
Autor:
Caixia Gao, Yaokai Liu, Zhifeng Wu, Lingling Ma, Shi Qiu, Chuanrong Li, Yongguang Zhao, Qijin Han, Enyu Zhao, Yonggang Qian, Ning Wang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 8473-8483 (2021)
The Sentinel-2B offers high spatial resolution optical imagery from 13 bands in the visible, near infrared, and short-wave infrared range of the electromagnetic spectrum, providing enhanced continuity to monitoring global terrestrial surfaces and coa
Externí odkaz:
https://doaj.org/article/c660902b744347269e447dc2fb771a8a
Autor:
Caixia Gao, Yaokai Liu, Shi Qiu, Chuanrong Li, Lingling Ma, Qijin Han, Jingru Liu, Enyu Zhao, Yongguang Zhao, Yonggang Qian, Ning Wang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 2337-2350 (2020)
Optical satellite sensor generally suffers from drifts and biases relative to their prelaunch calibration, caused by launch and the space environment. Radiometric cross-calibration is valuable for calibrating sensors without coincident surface measur
Externí odkaz:
https://doaj.org/article/83a7923b413d4e78a355d9557f5aff0d
Autor:
Li Fang, Otto Hasekamp, Guangliang Fu, Weishu Gong, Shupeng Wang, Weihe Wang, Qijin Han, Shihao Tang
Publikováno v:
Remote Sensing, Vol 14, Iss 18, p 4571 (2022)
The Directional Polarization Camera (DPC) onboard the Chinese Gaofen-5 satellite, launched in May 2018, has similar specifications as the POLDER-3 instrument. The SRON Remote Sensing of Trace gas and Aerosol Products (RemoTAP) full retrieval algorith
Externí odkaz:
https://doaj.org/article/7f60f338371b46e4a165fac34b351a96
Autor:
Jingmei Li, Lingling Ma, Yongxiang Fan, Ning Wang, Keke Duan, Qijin Han, Xuyuan Zhang, Guozhong Su, Chuanrong Li, Lingli Tang
Publikováno v:
Remote Sensing, Vol 13, Iss 5, p 1001 (2021)
The field of view (FOV) of pushbroom hyperspectral imager is limited by the compromise of the detector scale and requirements of spatial resolution. Combining imagers along the sampling direction effectively expands its FOV and improves the imaging e
Externí odkaz:
https://doaj.org/article/57952632781b439e8fae8873e5e74464