Results 101 to 110 of about 794,446 (201)

Experimental verification of seafloor crustal deformation observations by UAV-based GNSS-A. [PDF]

Sci Rep, 2023
Yokota Y, Kaneda M, Hashimoto T, Yamaura S, Kouno K, Hirakawa Y.   +5 more
europepmc   +1 more source

A generic operational simulation for early design civil unmanned aerial vehicles

, 2011
Contemporary aerospace programmes often suffer from large cost overruns, delivery delays and inferior product quality. This is caused in part by poor predictive quality of the early design phase processes with regards to the operational environment of a ...
Takeda, Kenji, Scanlan, James, Schumann, Benjamin   +2 more
core   +1 more source

Research on Drag Reduction Optimization of Foldable Solar Wings for UUVs

水下无人系统学报
To respond to the endurance bottleneck faced by unmanned undersea vehicles(UUVs) in missions such as ocean observation and resource exploration, this paper studied the hydrodynamic performance optimization of a novel foldable solar wing.
Chenyu WANG, Likun PENG, Jiabao CHEN, Jia CHEN, Huarui WANG, Wei PAN   +5 more
doaj   +1 more source

Detecting the Unseen: Understanding the Mechanisms and Working Principles of Earthquake Sensors. [PDF]

Sensors (Basel), 2023
Tian B, Liu W, Mo H, Li W, Wang Y, Adhikari BR.   +5 more
europepmc   +1 more source

An intelligent, heuristic path planner for multiple agent unmanned air systems

, 2015
In situ observations of atmospheric variables are currently obtained with radiosondes, collecting data along uncontrolled trajectories. As an alternative, we propose an unmanned air system comprising a swarm of unmanned aerial vehicles, released from ...
Chris Crispin, Sobester, Andras, Andras Sobester, Crispin, Chris   +3 more
core   +1 more source

Research on Hydrodynamic Characteristics of Self-Propelled DeployedUUV Based on MRF and Overset Mesh Technology

水下无人系统学报
To address the problem that self-propelled deployed unmanned undersea vehicle(UUV) are significantly disturbed by the wake field of the mother platform and deployment device during the two-body separation process, resulting in remarkable changes in ...
Cegang JIN, Zhuangtao YANG, Tao ZHANG, Hao DUAN, Sihuan YUAN, Min ZHU, Weixin CHEN   +6 more
doaj   +1 more source

Wide-Area Debris Field and Seabed Characterization of a Deep Ocean Dump Site Surveyed by Autonomous Underwater Vehicles. [PDF]

Environ Sci Technol, 2023
Merrifield ST, Celona S, McCarthy RA, Pietruszka A, Batchelor H, Hess R, Nager A, Young R, Sadorf K, Levin LA, Valentine DL, Conrad JE, Terrill EJ.   +12 more
europepmc   +1 more source

A Fast Algorithm for Approximating High-Frequency Scattering Acoustic Field of Complex Multi-Target Based on the Planar Element Method

水下无人系统学报
With the development of unmanned undersea vehicle(UUV) swarm operations, the detection and recognition of multiple complex underwater targets have attracted significant attention.
Lining MENG, Jingshu ZHAO, Zhenhui LI, Rui LIU   +3 more
doaj   +1 more source

GSEAS Undersea Warfare (archived)

, 1997
Includes an image of the main page on this date and compressed file containing additional web pages.The NPS Undersea Warfare curriculum offers students the opportunity to study the fundamental principles that apply to the design, performance, and ...
Bourke, Bob
core  

Application of State Estimation Algorithm for Autonomous Underwater Docking of UUVs

水下无人系统学报
Underwater autonomous dynamic docking of unmanned undersea vehicle(UUV) is one of the key technologies for their long-range cooperative operations.
Weixin CHEN, Tao LIU, Tao ZHANG, Feng LIU   +3 more
doaj   +1 more source