Results 11 to 20 of about 1,223,996 (333)
Conflict Resolution Strategy Based on Flight Conflict Network Optimal Dominating Set
International Journal of Aerospace Engineering, 2022 Aiming at the problem that the air traffic flow is increasing year by year and the flight conflicts are difficult to be deployed, we take aircraft as the node and established a flight conflict network based on the flight conflict relationship between ...
Minggong Wu +4 more
doaj +1 more source
Satellite Navigation, 2020 The BeiDou system (BDS) plays a significant role in people’s lives, but its security is easily affected by spoofing attacks. The radio determination satellite service (RDSS) is a special service of BDS that provides two-way communication, positioning ...
Fei Wang +4 more
doaj +1 more source
Hippocampus and retrosplenial cortex combine path integration signals for successful navigation [PDF]
, 2013 The current study used fMRI in humans to examine goal-directed navigation in an open field environment. We designed a task that required participants to encode survey-level spatial information and subsequently navigate to a goal location in either first ...
Brown, Thackery I +5 more
core +3 more sources
A layered fuzzy logic controller for nonholonomic car-like robot [PDF]
, 2006 A system for real time navigation of a nonholonomic car-like robot in a dynamic environment consists of two layers is described: a Sugeno-type fuzzy motion planner; and a modified proportional navigation based fuzzy controller.
El-Khatib, M.M., Hamilton, D.J.
core +1 more source
BOC Signal Acquisition Algorithm Based on Similar Enfoldment
International Journal of Aerospace Engineering, 2020 A BOC signal has been widely used in the Global Navigation Satellite System (GNSS). Although the BOC signal has many advantages, the autocorrelation function (ACF) of the BOC signal has lots of peaks, which makes signal acquisition difficult.
Qi Han +5 more
doaj +1 more source
A novel detection of radio-frequency signal based on an electro-opto-mechanical converter
Results in Physics, 2022 We study a novel detection of radio frequency signal, which is realized by the coherent microwave-optical conversion and optical processing. An electro-opto-mechanical converter, which enables the bidirectional transduction of the information between ...
Tianli Wei +3 more
doaj +1 more source
Investigation of the use of navigation tools in web-based learning: A data mining approach [PDF]
, 2008 Web-based learning is widespread in educational settings. The popularity of Web-based learning is in great measure because of its flexibility. Multiple navigation tools provided some of this flexibility.
Chen, SY, Liu, X, Minetou, CG
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Quantum Navigation and Ranking in Complex Networks [PDF]
, 2012 Complex networks are formal frameworks capturing the interdependencies between the elements of large systems and databases. This formalism allows to use network navigation methods to rank the importance that each constituent has on the global ...
Duch, Jordi +3 more
core +3 more sources
A Joint Optimization Method for Cooperative Detection Resources Based on Channel Capacity
International Journal of Aerospace Engineering, 2022 Aiming at the resource optimization problem in the cooperative detection task, the objective function is constructed based on the channel capacity, and the artificial bee colony (ABC) algorithm is improved to realize the joint optimization of the UAV ...
Wenda Yang +3 more
doaj +1 more source
A Novel Intelligent Ship Detection Method Based on Attention Mechanism Feature Enhancement
Journal of Marine Science and Engineering, 2023 The intelligent perception ability of the close-range navigation environment is the basis of autonomous decision-making and control of unmanned ships. In order to realize real-time perception of the close-range environment of unmanned ships, an enhanced ...
Yingdong Ye +4 more
doaj +1 more source