Results 11 to 20 of about 2,895,452 (235)

Analysis of Multi-Body Separation Characteristics of Trans-Medium Vehicles

open access: yes水下无人系统学报
This paper studied the underwater separation characteristics of pods of trans-medium vehicles by numerical simulations of computational fluid dynamics and dynamics model simulations and analyzed the hydrodynamic forces exerted on the pods before and ...
Shuai WANG, Meng DONG, Sheng WANG
doaj   +2 more sources

Entire aerial-aquatic trajectory modeling and optimization for trans-medium vehicles

open access: yesDefence Technology
Trans-medium flight vehicles can combine high aerial maneuverability and underwater concealment ability, which have attracted much attention recently.
Teng Long   +4 more
doaj   +2 more sources

Algorithm of Water-Air Trans-Medium Communication Based on Acousto-Optic System

open access: yes水下无人系统学报
To achieve underwater-aerial trans-medium uplink wireless communication, based on the laser interference detection of underwater acoustic signals, attenuation curves of acoustic signals at various water depths to the water surface and micro-vibration ...
Zhiquan ZHOU   +4 more
doaj   +2 more sources

Progress and Prospect of Underwater Information Acquisition Technique for Trans-Medium Vehicles during Water Exit

open access: yes水下无人系统学报
The water exit process of trans-medium vehicles involves multiphase flow, unsteady evolution of cavitation, strong transient effect, and varying load environments, which significantly affects the motion stability, water exit attitude, and structural ...
Xu ZHANG, Wanpeng LI
doaj   +2 more sources

Research on Hydrodynamics of Trans-Media Vehicles Considering Underwater Time-Varying Attitudes

open access: yesJournal of Marine Science and Engineering
A trans-media vehicle is a new type of equipment that can adapt to two environments, water and air, to maintain optimal hydrodynamic and aerodynamic performance.
Shuo Liu   +6 more
doaj   +3 more sources

Laser-Induced Acoustic Air-Water Trans-Medium Communication Based on PWM

open access: yes水下无人系统学报
Laser-induced acoustic communication has emerged as a critical technology for facilitating air-water trans-medium nodeless communication, garnering increasing attention in research and application. At higher repetition frequencies, traditional modulation
Yingnan CHEN   +4 more
doaj   +2 more sources

Adaptive Finite-Time Trajectory Tracking Control for Coaxial HAUVs Facing Uncertainties and Unknown Environmental Disturbances

open access: yesApplied Sciences, 2023
In this paper, the problems of system design, dynamic modeling, and trajectory tracking control of coaxial hybrid aerial underwater vehicles (HAUVs) with time-varying model parameters and composite marine environment disturbances are investigated.
Mingqing Lu   +5 more
doaj   +1 more source

Design of the Trans-provincial New Energy Spot Transaction Mode and Analysis of the Mode’s Effects on New Energy Consumption [PDF]

open access: yesE3S Web of Conferences, 2021
Trans-provincial new energy transactions consist of medium- and long-term transactions and spot transactions. Trans-provincial spot transactions have been mainly executed in areas where there is some difficulty with new energy consumption.
Wei Yuan   +5 more
doaj   +1 more source

Chapter As in trans art

open access: yes, 2023
This article engages with trans artistic practices: both trans in art as well as trans as art. It takes as its point of departure the artistic work of Ro Robertson, Tama Sharman, and Erica Rutherford, each of whom works with trans in different ways.
Hettinga, Lieks   +2 more
core   +1 more source

Optimization of Fermentation Conditions for Biocatalytic Conversion of Decanoic Acid to Trans-2-Decenoic Acid

open access: yesFermentation, 2023
Trans-2-decenoic acid has a wide range of applications, including those in medicine, food, and health care. Therefore, the industrial production of trans-2-decenoic acid is particularly important.
Shihao Nie   +4 more
doaj   +1 more source

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