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Zijie Li and Hao Wang
A recently developed launching device called the gun?track launch system is affected by its constrained track, such that the form of the muzzle jet changes from the state of free development in the entire space to a constrained state, where this lends un...
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Yang Zhang, Liang Zhao and Dong Wang
The soil resistances along the embedded ground chain affect the pull-out capacity of anchor as they determine the magnitude and direction of tension at the padeye. To facilitate analyses, the chain was usually simplified as a cylindrical line. The chain ...
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Helin Fu, Pengtao An, Long Chen, Guowen Cheng, Jie Li and Xiaohui Yu
Affected by the coupling of excavation disturbance and ground stress, the heterogeneity of surrounding rock is very common. Presently, treating the permeability coefficient as a fixed value will reduce the prediction accuracy of the water inflow and the ...
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Vitalyi Sakhatsky,Nina Lyubymova,Vitaliy Vlasovets,Vladimir Suponyev,Oleksandr Koval,Artem Naumenko,Tatyana Vlasenko,Yevhenii Chepusenko
Pág. 32 - 40
For laying of underground utility systems in urban conditions by the method of horizontally directed soil piercing, small-sized units are designed. Such units should have measurement systems for determining the spatial position of the piercing head. In k...
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Marion Jaud, Sophie Passot, Pascal Allemand, Nicolas Le Dantec, Philippe Grandjean and Christophe Delacourt
Owing to the combination of technological progress in Unmanned Aerial Vehicles (UAVs) and recent advances in photogrammetry processing with the development of the Structure-from-Motion (SfM) approach, UAV photogrammetry enables the rapid acquisition of h...
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Hanzhang Xue, Hao Fu and Bin Dai
For autonomous driving, it is important to obtain precise and high-frequency localization information. This paper proposes a novel method in which the Inertial Measurement Unit (IMU), wheel encoder, and lidar odometry are utilized together to estimate th...
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Huseyin Yurtseven
In this study, different in-situ and close-range sensing surveying techniques were compared based on the spatial differences of the resultant datasets. In this context, the DJI Phantom 3 Advanced and Trimble UX5 Unmanned Aerial Vehicle (UAV) platforms, Z...
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Ján Labun, Stanislav Fábry, Marek Ce?kovic, Pavol Kurdel
Pág. 149 - 155
Presented paper concentrates on accidentally identified, specific method of mechanical vibration demodulation, radiated high-frequency signal of aircraft communication antenna, located directly on the aircraft. It describes the structure and solution of ...
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Endre Hofstad Hansen, Liviu Theodor Ene, Terje Gobakken, Hans Ole Ørka, Ole Martin Bollandsås and Erik Næsset
Forest attributes such as tree heights, diameter distribution, volumes, and biomass can be modeled utilizing the relationship between remotely sensed metrics as predictor variables, and measurements of forest attributes on the ground. The quality of the ...
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D. M. Kurhan
Pág. 136 - 145
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