نتایج جستجو برای: spherical cap or a hemisphere
تعداد نتایج: 13796117 فیلتر نتایج به سال:
A novel cleavable amphiphilic peptide (CAP) was designed to be specifically responsive to fibroblast activation protein-α (FAP-α), a protease specifically expressed on the surface of cancer-associated fibroblasts. The CAP self-assembled into fiber-like nanostructures in solution, while the presence of hydrophobic chemotherapeutic drugs readily transformed the assemblies into drug-loaded spheric...
Synonyms – Panoramic camera, spherical camera, catadioptric camera, fisheye camera, wide-angle camera Related Concepts – camera calibration – pinhole camera – radial distortion – omnidirectional vision – camera parameter (intrinsic, extrinsic) – intrinsic parameter matrix – structure from motion – epipolar geometry Definition An omnidirectional camera (from omni, meaning all) is a camera with a...
This paper investigates the learning algorithm of neural network on the spherical cap. Firstly, we construct the inner weights and biases from sample data, such that the network has the interpolation property on the sampling points. Secondly, we construct the BP network and BP learning algorithm. Finally, we analyze the generalization ability for the constructed networks and give the numerical ...
Let C be a strictly convex domain in three-dimensional Riemannian manifold with sectional curvature bounded above by constant, and let $$\Sigma $$ constant mean surface free boundary C. We provide pinching condition on the length of traceless second fundamental form which guarantees that is homeomorphic to either disk or an annulus. Furthermore, under same condition, we prove if geodesic ball s...
Given the importance of moderator and mediator variables in Detection and prediction of mental disorders, the main objective of this study was to investigate the mediator or moderator role of hemisphere preference in relationship between suppression and social anxiety. In this study, 120 high school female students who were selected using cluster sampling, formed the research sample. In t...
In this paper, Spherical Cap Harmonic Analysis (SCHA) method was applied to model the geomagnetic field over Vietnam and adjacent area between 15°S 25°N latitude 90°E 130°E in longitude by using magnetic data recorded on CHAMP Swarm satellites. The characteristic parameters of were set at maximum index Kint = 8 for internal fields, spherical cap half-angle θ0 20°. regional areas are modelled tw...
Elevations measured by the Mars Orbiter Laser Altimeter have yielded a high-accuracy global map of the topography of Mars. Dominant features include the low northern hemisphere, the Tharsis province, and the Hellas impact basin. The northern hemisphere depression is primarily a long-wavelength effect that has been shaped by an internal mechanism. The topography of Tharsis consists of two broad ...
Spherical harmonics, one of the most widely used basis functions for shape description, rely heavily on a spherical parameterization given surface. Additionally, harmonics based 3D modeling works well only closed surfaces, while many anatomical structures are hemisphere-like open objects. Therefore, it is more natural to have hemisphere-based approach their description. In this work, we propose...
Abstract A method is presented for the explicit construction of non-dimensional constant occurring in Korn’s inequalities a bounded two-dimensional Riemannian differentiable simply connected manifold subject to Dirichlet boundary conditions. The illustrated by application spherical cap and minimal surface.
It has been suggested by Morse and Ingard that the sound radiation of a loudspeaker in a box is comparable to that of a spherical cap on a rigid sphere. This has been established recently by the present authors, who developed a computation scheme for the forward and inverse calculation of the pressure due to a harmonically excited, flexible cap on a rigid sphere with an axially symmetric veloci...
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