Zobrazeno 1 - 10
of 257
pro vyhledávání: '"Zhenkun Lei"'
Autor:
Mengrong Xi, Yongjiu Feng, Zhenkun Lei, Pengshuo Li, Rong Wang, Panli Tang, Xiaoyan Tang, Xiaohua Tong
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The geometric positioning accuracy of synthetic aperture radar images is a key factor impacting their application, necessitating geometric calibration for improved accuracy. Traditional geometric calibration methods rely on ground calibration fields
Externí odkaz:
https://doaj.org/article/4f37ada77f3243fe9f4421086903da89
Autor:
Hao Jiang, Rongxin Zhu, Yan Liu, Zongzhe Man, Zhiyuan Yang, Yingkai Wu, Xiaowei Li, Yu Jiang, Qifeng Xiao, Zhenkun Lei, Ruixiang Bai
Publikováno v:
Composites Part C: Open Access, Vol 13, Iss , Pp 100425- (2024)
Glass fiber-reinforced polymer composites are important structural materials and are widely used in structure engineering. In this study, a new V-notch non-standard tensile specimen is proposed. All the in-plane stiffness coefficients of glass fiber-
Externí odkaz:
https://doaj.org/article/998ec389f2be45a5a79dab5bdb912535
Publikováno v:
Geocarto International, Vol 39, Iss 1 (2024)
Polarimetric synthetic aperture radar (PolSAR) images have been widely used in many fields due to its advantage in obtaining full polarization information, especially in land use classification. To evaluate the performance of airborne PolSAR images i
Externí odkaz:
https://doaj.org/article/447877f3ada942b589c4e4f11a4dab85
Publikováno v:
Materials & Design, Vol 233, Iss , Pp 112229- (2023)
Vitrimer composites with bond- exchange reactions offer significant advantages in terms of repair and recyclability. The mechanical properties of such composites can be designed by modifying the epoxy/anhydride ratio, thus allowing their interface pr
Externí odkaz:
https://doaj.org/article/fb84a92d98d3452cbdf42d1d4350c953
Autor:
Jiafeng Wang, Yongjiu Feng, Rong Wang, Xiaohua Tong, Shurui Chen, Zhenkun Lei, Pengshuo Li, Mengrong Xi
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 2227-2251 (2022)
We utilized a two-branch end-to-end network (MultiSenCNN) for land use and land cover (LULC) classification and flood event mapping using multispectral (MS), panchromatic (Pan) and synthetic aperture radar (SAR) images, where flooding was induced by
Externí odkaz:
https://doaj.org/article/2111654cc4474899a1caf756ce9f7649
Publikováno v:
Land, Vol 12, Iss 11, p 2065 (2023)
Megacities serve as crucial catalysts for national economic and social development, and Shanghai, one of China’s most prominent metropolitan areas, exemplifies this transformative urbanization. To study Shanghai’s urban expansion, we extracted ur
Externí odkaz:
https://doaj.org/article/87615bf4bd3440d5b23a7696854c9c2e
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 6928-6942 (2022)
Synthetic aperture radar (SAR) image positioning is commonly affected by factors such as platform instability, aging of onboard instruments, and changing observation environments. Thus, geometric calibration is needed to improve the accuracy of image
Externí odkaz:
https://doaj.org/article/64cf26fff0fc425fb540544a04984fb5
Publikováno v:
International Journal of Digital Earth, Vol 14, Iss 9, Pp 1213-1235 (2021)
Low-lying coastal cities are widely acknowledged as the most densely populated places of urban settlement; they are also more vulnerable to risks resulting from intensive land use and land cover change, human activities, global climate change, and th
Externí odkaz:
https://doaj.org/article/59d3e9fd762542f988fe795836a62da6
Publikováno v:
Polymer Testing, Vol 113, Iss , Pp 107652- (2022)
The picture frame test was applied to compare Kevlar neat and STF/Kevlar composite fabrics. The digital image correlation markers method was applied to measure the shear deformation behavior of the fabric in real-time under three loading rates: 100,
Externí odkaz:
https://doaj.org/article/9b8948f215ea49ec989aa7122c37973e
Autor:
Shijie Liu, Hongcheng Tang, Yongjiu Feng, Yanling Chen, Zhenkun Lei, Jiafeng Wang, Xiaohua Tong
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 8512-8521 (2021)
Interferometric SAR (InSAR) is a practical technique to derive 3-D structure of the earth's surface. This article conducts a comparative study of digital elevation model (DEM) reconstruction using the single-baseline and multibaseline InSAR technique
Externí odkaz:
https://doaj.org/article/a2226301d7ec4b778eed33caf0c55826