Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Kezhong Liu"'
Publikováno v:
Mathematics, Vol 12, Iss 15, p 2381 (2024)
Maritime transport plays a critical role in global logistics. Compared to road transport, the pace of research and development is much slower for maritime transport. It faces many major challenges, such as busy ports, long journeys, significant accid
Externí odkaz:
https://doaj.org/article/17d1aed44a0748b283976399d0fccd93
Publikováno v:
Sensors, Vol 24, Iss 6, p 1850 (2024)
Cruise ships and other naval vessels include automated Internet of Things (IoT)-based evacuation systems for the passengers and crew to assist them in case of emergencies and accidents. The technical challenges of assisting passengers and crew to saf
Externí odkaz:
https://doaj.org/article/0b1b203ac16d4ba68f24f84ae7970d0a
Publikováno v:
IEEE Access, Vol 10, Pp 71777-71790 (2022)
With the continuous increase of offshore wind farms and other offshore regional buildings, the contradiction between them and the navigation safety in the densely distributed areas of offshore ship tracks is increasingly obvious. It is urgent to buil
Externí odkaz:
https://doaj.org/article/da593ed35f344a7391112595cd48789b
Publikováno v:
Remote Sensing, Vol 15, Iss 17, p 4137 (2023)
Real-time GNSS PPP is commonly used for high-precision positioning, but its utility is constrained by factors that necessitate extended convergence periods for a dependable accuracy. Multipath, as an unmodeled error, significantly curtails PPP perfor
Externí odkaz:
https://doaj.org/article/fac3892a56c84e08b248fbe0db6010bc
Publikováno v:
Drones, Vol 7, Iss 8, p 523 (2023)
This paper investigates the joint task allocation and resource optimization problem in an integrated radar and communication multi-UAV (IRCU) system. Specifically, we assign reconnaissance UAVs and communication UAVs to perform the detection, trackin
Externí odkaz:
https://doaj.org/article/3861a0e16b8f45449ab5020c6bf8fd21
Publikováno v:
Remote Sensing, Vol 15, Iss 13, p 3227 (2023)
The ultimate goal of PPP-RTK is to achieve rapid ambiguity resolution, which is influenced by the prior precision of the external ionospheric information. This study proposes a method for determining the precision of ionospheric corrections for each
Externí odkaz:
https://doaj.org/article/030020719c834c8fba83b37218537252
Publikováno v:
Drones, Vol 7, Iss 3, p 204 (2023)
This paper investigates the multiple unmanned aerial vehicle (multi-UAV) cooperative task assignment problem. Specifically, we assign different types of UAVs to accomplish the classification, attack, and verification tasks of targets under resource,
Externí odkaz:
https://doaj.org/article/a10ee249de34400d88bae9a072008a01
Publikováno v:
IEEE Access, Vol 9, Pp 9218-9234 (2021)
Graph Neural Networks (GNNs) have been applied in many fields of semi-supervised node classification for non-Euclidean data. However, some GNNs cannot make good use of positive information brought by nodes which are far away from each central node fo
Externí odkaz:
https://doaj.org/article/13447a1e43dc4812b0a160641348a593
Publikováno v:
IEEE Access, Vol 8, Pp 135758-135769 (2020)
Efficient and safe ship evacuation strategy plays a critical role in protecting passengers' lives when ships encounter accidents. Existing wireless sensor network (WSN)-based emergency navigation methods mainly consider the dynamics of hazards and ac
Externí odkaz:
https://doaj.org/article/961e894144c74d1a8f33f978c01af429
Publikováno v:
Drones, Vol 7, Iss 2, p 68 (2023)
Due to the advantages of strong mobility, flexible deployment, and low cost, unmanned aerial vehicles (UAVs) are widely used in various industries. As a flying relay, UAVs can establish line-of-sight (LOS) links for different scenarios, effectively i
Externí odkaz:
https://doaj.org/article/9122c5af0f22414d94cd5ec8c62ef50f