Results 71 to 80 of about 363,233 (124)

Three-Dimensional Path Planning of AUVs in Dynamic Obstacle Environments

水下无人系统学报
Traditional algorithms suffer from heavy computational burden and insufficient accuracy in the high-dimensional space and dynamic obstacle environment faced by autonomous underwater vehicles(AUVs). To overcome the challenges posed by dynamic obstacles to
Chaoyang CHEN, Yute TANG, Yi HUANG, Zhiqun LIU   +3 more
doaj   +1 more source

Ore-Collecting Characteristic Analysis of Deep-Sea Polymetallic Nodule Collection Device Based on Variable Cross-Section Flow Channel

水下无人系统学报
With the rapid advancement of deep-sea mineral resource exploitation, there is an escalating demand for enhanced technological capabilities in equipment.
Jiakang WEI, Xiuzhan ZHANG, Xixi LIU, Jiancheng LIU, Lei LI, Fengluo CHEN, Tiedong ZHANG, Hao LI   +7 more
doaj   +1 more source

Organizational principles of rat vibrissal motor cortex, an in vivo study

, 2016
Vibrissal somatosensory cortex (vS1) and vibrissal motor cortex (vM1) are the two key structures involved in somatosensation in rodents. Although we know the vertical and horizontal organizational principles of vS1, very little is known about the ...
Narayanan, R., Oberlaender, M.
core  

On some classes of analytic functions

, 1987
Let m1, m2 be any numbers and let Vm1,m2 be the class of functions of analytic in the unit disc E={z:|z|
Haila Madifer, Khalida I. Noor
core   +1 more source

Research on Near-Field High-frequency Echo Strength Characteristics of Small Undersea Vehicle

水下无人系统学报
In response to the need for detecting and identifying small undersea vehicles, modeling and simulation research have been conducted on the high-frequency echo strength characteristics of small undersea vehicles in the near field.
Hao CAO, Xinze ZHANG, Jun ZHANG, Shuhong FAN   +3 more
doaj   +1 more source

Fuzzy Method-Based Sliding Mode Control for AUVs

水下无人系统学报
Underactuated autonomous undersea vehicles(AUVs) exhibit characteristics of high nonlinearity, strong controlled variable coupling, and parameter uncertainties in their models.
Rongchang LI, Huajun BAI, Jingxi ZHANG, Yi ZHANG   +3 more
doaj   +1 more source

Clonal analysis demonstrates a somatic requirement for miR-989 for normal border cell migration.

, 2013
A Genetic mosaics: wild type cells are labelled by nuclear GFP (upper panel) while miR-989 mutant cells do not express GFP. The middle panels are labelled with phalloidin to highlight the F-actin cytoskeleton. The two egg chambers shown represent extreme
Ruifen Weng (429920), Jan-Michael Kugler (367352), Stephen M. Cohen (36796), Ya-Wen Chen (142312)   +3 more
core   +1 more source

Influence of Beam Angle of Array Sound Source on Sound Propagation in Typical Shallow Sea Environments

水下无人系统学报
With the development of active sonar technology, the beam output capability of active sonar has become the focus of engineering research. It is necessary to study the influence of the sound beam angle on sound propagation for a typical vertical linear ...
Yanyang LU, Qinglang CHEN, Xun LI, Zhaohong WANG   +3 more
doaj   +1 more source

Research on fault feature enhancement and diagnosis of marine water pump bearing based on BM-MTF

Zhongguo Jianchuan Yanjiu
ObjectiveMarine water pump bearings operate in complex environments, and the fault features in the acquired signals are easily submerged by noise, resulting in low fault diagnosis accuracy.
Zhiqiang LIAO, Zhende HUANG, Xuewei SONG, Guanlong LIANG, Baozhu JIA   +4 more
doaj   +1 more source

Response Characteristics of Plant Bioelectric Potential under Sunlight [PDF]

application/pdfPlant is affected by environmental factors. These are temperature, humidity and light intensity. The light intensity affected strongly to the plant. The plant produces glucose and oxygen with photosynthesis according to the light intensity
新保, 達也, 広林, 茂樹, 大藪, 多可志, 沢田, 史子, 長谷川, 有貴, 木村, 春彦, 南戸, 秀仁   +6 more
core