Zobrazeno 1 - 10
of 281
pro vyhledávání: '"X. G. Li"'
Publikováno v:
Metalurgija, Vol 54, Iss 1-2, Pp 61-64 (2025)
Metallurgical equipment needs to use a large number of linkage mechanism to achieve the given movement requirements, compared with the plane four-bar mechanism, the movement of the spatial mechanism is more stable, this paper through the study of the
Externí odkaz:
https://doaj.org/article/7313e4b5c46d4e49b917f71d71c28e28
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 67-70 (2020)
A UAV image matching method based on RANSAC (Random Sample Consensus) algorithm and SURF (speeded up robust features) algorithm is proposed. The SURF algorithm is integrated with fast operation and good rotation invariance, scale invariance and illum
Externí odkaz:
https://doaj.org/article/0c0aa9d002dc4d1a8d93fdfe3fdbb59d
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 315-319 (2020)
In order to understand the spatial-temporal evolution of land subsidence in Tianjin, in this study, we applied the Small Baseline Subset Interferometric Synthetic Aperture Radar (SBAS-InSAR) technique to process 36 Sentinel-1A images acquired between
Externí odkaz:
https://doaj.org/article/6ff1339a85054aea8cc92ff4d17a1997
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 297-302 (2020)
This study used the Time Series Interferometric Synthetic Aperture Radar (TS-InSAR) technology and the ENVISAT ASAR dataset obtained between 2007 and 2010 and the Sentinel-1A dataset from 2017 to 2019 to determine the subsidence in the Shenzhen recla
Externí odkaz:
https://doaj.org/article/2e14a6df7de8419eb44344596e30e2ef
Publikováno v:
Advances in Materials Science and Engineering, Vol 2022 (2022)
In order to determine the mechanical properties of polyaniline/polyvinyl alcohol composite gels used in strain sensors, both microstructure and macroscopic mechanics experiments are conducted on the specimen. Firstly, the preparation process for this
Externí odkaz:
https://doaj.org/article/e254eb53ec3946139be74131a4cbf3ab
Publikováno v:
Biologia Plantarum, Vol 62, Iss 3, Pp 589-594 (2018)
Growth responses of the moderately salt-tolerant velvet ash (Fraxinus velutina) and salt-sensitive poplar (Populus × euramericana) were investigated under heterogeneous root zone salinity. The salinity treatments imposed on the two root zones (lower
Externí odkaz:
https://doaj.org/article/2eca1a25d18344658c33d535a7e409b6
Publikováno v:
Advances in Materials Science and Engineering, Vol 2016 (2016)
As the lateral dimension of spin Hall effect based magnetic random-access memory (SHE-RAM) devices is scaled down, shape anisotropy has varied influence on both the magnetic field and the current-driven switching characteristics. In this paper, we st
Externí odkaz:
https://doaj.org/article/03e9d6cd03a4443cac46ddedf4f5ad85
Publikováno v:
AIP Advances, Vol 4, Iss 12, Pp 127138-127138-7 (2014)
The anisotropic polarized spin injection effect on the critical current density Jc of La0.7Sr0.3MnO3/La1.85Sr0.15CuO4 heterostructure is systematically investigated. It is found that the contribution of δTc pinning mechanism is enhanced with spin in
Externí odkaz:
https://doaj.org/article/cba75a5886fc4e1b9a7e4d963178f8ee
Publikováno v:
AIP Advances, Vol 4, Iss 4, Pp 047132-047132-7 (2014)
Low-valence layered nickelates are a structural analog to the superconducting cuprates and possess interesting properties. In this work, we have systematically studied the electronic structure of Lan+1NinO2n+2 using first-principles calculations. Our
Externí odkaz:
https://doaj.org/article/760b6c208f104c86bd4c84e44beb1346
Publikováno v:
IEEE Transactions on Cybernetics. 52:5498-5507
This article investigates a class of finite-time cooperative tracking problems of heterogeneous mixed-order multiagent systems (MASs) with higher-order dynamics. Different from the previous works of heterogeneous MASs, the agents in this study are co