Results 31 to 40 of about 28,435 (103)

Design and Simulation Analysis of Sound Absorption Structure for Acoustic Detection-Based Underwater Gliders

open access: yes水下无人系统学报
The radiation noise of mechanical noise has a significant impact on the acoustic detection performance of acoustic detection-based underwater gliders. In order to address this problem, this paper introduced sound absorption structure into the study of ...
Donghai ZENG   +5 more
doaj   +1 more source

Error Compensation for Dead Reckoning Based on SVM

open access: yes水下无人系统学报
In the use of machine learning methods for error compensation in dead reckoning of an autonomous undersea vehicle(AUV), the neural network algorithm is commonly used.
Xin LI   +6 more
doaj   +1 more source

Prediction of Deformation Response of Target Plate in Underwater Explosion Based on Deep Learning Neural Network

open access: yes水下无人系统学报
The deformation of a target plate in underwater explosion is manifested as a complex nonlinear coupling interaction between the structure and the fluid under the impact of shock waves.
Zhiguo LI   +5 more
doaj   +1 more source

Temperature Adaptability Analysis of Closed Cycle Using CO2-Based Mixed Working Fluid for Underwater Platforms

open access: yes水下无人系统学报
The supercritical CO2 Brayton cycle system is an important development direction of underwater platform power technology. However, due to the low temperature in the deep sea which is far away from the critical temperature of CO2, the cycle system has ...
Jiaqi FENG   +4 more
doaj   +1 more source

Dynamic Characteristics of Explosive Damage to Typical Undersea Vehicles

open access: yes水下无人系统学报
This study examined the explosive damage characteristics of large undersea vehicle structures, which are crucial for improving the survivability of undersea vehicles and have far-reaching influence on tactical application and strategic deployment in ...
Kan YAN
doaj   +1 more source

A High-Precision Calculation Method for Internal Trajectory of Underwater Weapon Launch

open access: yes水下无人系统学报
A high-precision calculation method for internal trajectory was proposed for the pneumatic launch system of underwater weapons. The method combined high-precision theoretical derivation with computational fluid mechanics slip technique and used the ...
Chun YANG   +4 more
doaj   +1 more source

Measuring supermassive black holes with gas kinematics. II. The LINERs IC 989 , NGC 5077 , and NGC 6500 [PDF]

open access: yes, 2007
We present results from a kinematical study of the gas in the nucleus of a sample of three LINER galaxies, obtained from archival HST/STIS long-slit spectra.
G. D. Francesco   +5 more
semanticscholar   +1 more source

Research Progress in Methods to Estimate High-resolution Direction of Arrival

open access: yes水下无人系统学报
With the widespread application of array signal processing, the estimation of direction of arrival(DOA) as the core problem of array signal processing has made significant progress.
Wei ZHAO, Xuan LI, Chengpeng HAO
doaj   +1 more source

KFESO-based composite anti-disturbance control for distributed cooperative path following of unmanned surface vehicles

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveDue to mixed-frequency multi-source disturbances, unmanned surface vehicles (USVs) encounter challenges in accurately capturing state information and ensuring path-tracking precision.
Haoyu CHEN   +4 more
doaj   +1 more source

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