Results 31 to 40 of about 341,566 (269)
An Underwater SLAM System using Sonar, Visual, Inertial, and Depth Sensor
, 2019 This paper presents a novel tightly-coupled keyframe-based Simultaneous Localization and Mapping (SLAM) system with loop-closing and relocalization capabilities targeted for the underwater domain.
Li, Alberto Quattrini +2 more
core +1 more source
Prompt muon contribution to the flux underwater [PDF]
, 2001 We present high energy spectra and zenith-angle distributions of the atmospheric muons computed for the depths of the locations of the underwater neutrino telescopes.
A. B. Kaidalov +37 more
core +2 more sources
An ADS-Based Sparse Optimization Method for Sonar Imaging Sensor Arrays
Applied Sciences, 2020 The Mills Cross sonar sensor array, achieved by the virtual element technology, is one way to build a low-complexity and low-cost imaging system while not decreasing the imaging quality.
Jiancheng Liu +3 more
doaj +1 more source
Passive Tracking of Multiple Underwater Targets in Incomplete Detection and Clutter Environment
Entropy, 2021 A major advantage of the use of passive sonar in the tracking multiple underwater targets is that they can be kept covert, which reduces the risk of being attacked.
Xiaohua Li, Bo Lu, Wasiq Ali, Haiyan Jin
doaj +1 more source
The application of combined momentum and blade element theory for aerodynamics performance analysis of rotating blades [PDF]
, 2011 In this thesis, a simulation package for the Six Degrees of Freedom (6DOF ) motion of an underwater vehicle is developed. Mathematical modeling of an underwater vehicle is done and the parameters needed to write such a simulation package are ...
M Mohammed, Abdelrazzak Gumaa
core
On the Velocity of Light Signals in the Deep Underwater Neutrino Experiments [PDF]
, 2000 During the last few years deep underwater neutrino telescopes of a new generation with dimensions close to 100 m or more were taken into operation. For the correct track reconstruction and for the interpretation of light pulses from calibration lasers ...
Amram +4 more
core +2 more sources
FEBS Open Bio, EarlyView.Chemoresistance in bladder cancer: Macrophage recruitment associated with CXCL1, CXCL5 and CXCL8 expression is characteristic of Gemcitabine/Cisplatin (Gem/Cis) Non‐Responder tumors (right side) while Responder tumors did not show substantial tumor‐stromal crosstalk (left side). All biological icons are attributed to Bioicons: carcinoma, cancerous‐cell‐
Sophie Leypold +11 more
wiley +1 more source
IEEE Access, 2019 In this paper, a soft-switching proximate time-optimal control (PTOC) is proposed based on the model-compensation extended state observer (ESO) and Takagi-Sugeno fuzzy switching, for the fast set-heading tracking of underactuated autonomous underwater ...
An Li +5 more
doaj +1 more source
UFMC-Based Underwater Voice Transmission Scheme with LDPC Codes
Applied Sciences, 2021 An underwater universal filtered multicarrier (UFMC)-based voice transmission scheme is proposed using a 512-point inverse discrete Fourier transform, utilizing 10 sub-bands, and that each had 20 subcarriers.
Chin-Feng Lin
doaj +1 more source
Free-space and underwater GHz data transmission using AlGaInN laser diode technology [PDF]
, 2016 Laser diodes fabricated from the AlGaInN material system is an emerging technology for defence and security applications; in particular for free space laser communication.
Boćkowski, M. +11 more
core +1 more source