|
|
|
|
|
Zhengwei Wang, Haitao Gu, Jichao Lang and Lin Xing
This study verifies the effects of deployment parameters on the safe separation of Autonomous Underwater Vehicles (AUVs) and mission payloads. The initial separation phase is meticulously modeled based on computational fluid dynamics (CFD) simulations em...
ver más
|
|
|
|
|
|
|
|
|
|
|
Liushuai Cao, Yanyan Pan, Gang Gao, Linjie Li and Decheng Wan
Wakes produced by underwater vehicles, particularly submarines, in density-stratified fluids play a pivotal role across military, academic, and engineering domains. In comparison to homogeneous fluid environments, wakes in stratified flows exhibit distin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianying Wang, Hongxi Yin, Xiuyang Ji and Yanjun Liang
Both the long-term beam spreading caused by ocean turbulence and the pointing errors induced by the jitter of transmitters and receivers degrade the performance of underwater wireless optical communication (UWOC) links. To effectively alleviate their eff...
ver más
|
|
|
|
|
|
|
|
|
|
|
Julian Kimmerl and Moustafa Abdel-Maksoud
Underwater radiated noise is part of the anthropogenic emissions into the environment and as such a pressing problem for the preservation of the marine ecosystem. In order to direct attention to the most relevant noise sources associated with ships it is...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yixin Zhang, Qingze Yan, Lin Yu and Yun Zhu
The model of information capacity for underwater wireless optical communication (UWOC) links with pointing errors and the carrier of perfect Laguerre?Gaussian (PLG) beam in absorbed and weakly turbulent seawater is modeled. Using this model, the influenc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoji Li, Jiemei Huang and Leiming Sun
With the advancement of underwater communication technology, the traditional modulation dimension has been introduced, developed and utilized. In addition, orbital angular momentum (OAM) is utilized as the modulation dimension for optical underwater comm...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qingze Yan, Yixin Zhang, Lin Yu and Yun Zhu
In this paper, the optimization of perfect optical vortex (POV) parameter for underwater wireless optical communication link under M-QAM by average bit-error rate (ABER) and the effect of seawtaer turbulence on link information capacity are investigated....
ver más
|
|
|
|
|
|
|
|
|
|
|
Yao Shi, Jinyi Ren, Shan Gao and Guang Pan
In order to study the influence of pressure-equalizing exhaust at the shoulder of a submarine-launched vehicle on the surface hydrodynamic characteristics, this paper establishes a numerical calculation method based on the VOF multiphase flow model, the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Julian Kimmerl, Paul Mertes and Moustafa Abdel-Maksoud
Methods to predict underwater acoustics are gaining increased significance, as the propulsion industry is required to confirm noise spectrum limits, for instance in compliance with classification society rules. Propeller?ship interaction is a main contri...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qingze Yan, Yun Zhu and Yixin Zhang
Turbulence and absorption of seawater are two important factors affecting the signal transmission quality of underwater optical communication link. Here, we study the channel capacity and bit error rate of an underwater extinction communication link with...
ver más
|
|
|
|
|
|