Results 101 to 110 of about 57,243 (286)

Moduli Spaces of Topological Solitons [PDF]

open access: yes, 2015
This thesis presents a detailed study of phenomena related to topological solitons (in $2$-dimensions). Topological solitons are smooth, localised, finite energy solutions in non-linear field theories.
Muhamed, Abera Ayalew
core  

Automatic Clearance Anomaly Detection for Transmission Line Corridors Utilizing UAV-Borne LIDAR Data

open access: yesRemote Sensing, 2018
Transmission line corridor (i.e., Right-of-Ways (ROW)) clearance management plays a critically important role in power line risk management and is an important task of the routine power line inspection of the grid company. The clearance anomaly detection
Chi Chen   +4 more
doaj   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

open access: yesAdvanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan   +9 more
wiley   +1 more source

弧面凸轮廓面的新型通用算法

open access: yesJixie chuandong, 2013
The traditional algorithm of arccam contour surface is the profile surface of roller coordinate transformation, then export the contact angle of the formula with the help of engagement theory, simultaneous two equations at last.
张泽宇, 郑方焱, 喻恒, 王隆进
doaj  

Prediction of Surface Topography Parameters in Direct Laser Interference Patterning of Stainless Steel Using Infrared Monitoring and Convolutional Neural Networks

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents an infrared monitoring approach for direct laser interference patterning (DLIP) combined with a convolutional neural network (CNN). Thermal emission data captured during structuring are used to predict surface topography parameters.
Lukas Olawsky   +5 more
wiley   +1 more source

Noncommutative Riemannian geometry of Kronecker algebras [Elektronisk resurs]

open access: yes
We study aspects of noncommutative Riemannian geometry of the path algebra arising from the Kronecker quiver with N arrows. To start with, the framework of derivation based differential calculi is recalled together with a discussion on metrics and ...
Arnlind, Joakim,, Arnlind, Joakim
core   +1 more source

Exploring the wave’s structures to the nonlinear coupled system arising in surface geometry

open access: yesScientific Reports
This manuscript deals with the Heisenberg ferromagnet-type integrable Akbota equation (AE), which refers to a set of differential equations that are integrable and linked together, and they possess solitary waves.
Khizar Farooq   +6 more
doaj   +1 more source

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios   +5 more
wiley   +1 more source

Line geometry for 3D shape understanding and reconstruction

open access: yes, 2004
. We understand and reconstruct special surfaces from 3D data with line geometry methods. Based on estimated surface normals we use approximation techniques in line space to recognize and reconstruct rotational, helical, developable and other surfaces ...
Johannes Wallner   +5 more
core  

Design and simulation of on-chip lossy transmission line pairs [PDF]

open access: yes, 2008
A quasi-TM reciprocity based multi-conductor transmission line model is used to investigate the influence of the geometry on the performance of on-chip transmission line pairs for high-frequency differential signal transmission. It is shown that both the
De Zutter, Daniël   +3 more
core   +1 more source

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