Results 21 to 30 of about 365 (70)

Recent improvements in Hurricane Imaging Radiometer’s brightness temperature image reconstruction

open access: yesResults in Physics, 2017
NASA MSFCs airborne Hurricane Imaging Radiometer (HIRAD) uses interferometric aperture synthesis to produce high resolution wide swath images of scene brightness temperature (Tb) distribution at four discrete C-band microwave frequencies (4.0, 5.0, 6.0 ...
Sayak K. Biswas, Daniel J. Cecil
doaj   +1 more source

Fiber-optic filter fluorometer for emission detection of Protoporphyrin IX and its direct precursors – A preliminary study for improved Photodynamic Therapy applications

open access: yesResults in Physics, 2018
In this work we present first results of a laboratory manufactured filter-fluorometer to study differences in intensity and position of the main peaks of three porphyrins that appear during the Heme-Synthesis. Porphyrins play a major role in Photodynamic
Rainer Landes   +5 more
doaj   +1 more source

Construction a new generating function of Bernstein type polynomials

open access: yes, 2010
Main purpose of this paper is to reconstruct generating function of the Bernstein type polynomials. Some properties this generating functions are given.
Simsek, Yilmaz
core   +1 more source

A theoretical study on resistance of electrolytic solution: Measurement of electrolytic conductivity

open access: yesResults in Physics, 2019
We propose a theoretical approach to determine the conductivity of electrolytic solution using sine waveform voltage as a triggering signal. The approach is based on the acquisition of the complex impedance in two-electrode conductance cell by analyzing ...
Liyue Su, Xiaodong Liao, Zheng Huang
doaj   +1 more source

A New Generating Function of (q-) Bernstein Type Polynomials and their Interpolation Function

open access: yes, 2010
The main object of this paper is to construct a new generating function of the (q-) Bernstein type polynomials. We establish elementary properties of this function. By using this generating function, we derive recurrence relation and derivative of the (q-
Acikgoz, Mehmet, Simsek, Yilmaz
core   +2 more sources

`Optimal' triangulation of surfaces and bodies [PDF]

open access: yes, 1999
A new criterion is given for constructing an optimal triangulation of surfaces and bodies. The triangulation, called the {\em tight} triangulation, is convexity preserving and accepts long, thin triangles whenever they are useful. Both properties are not
Traas, C.R.
core   +2 more sources

Stability of subdivision schemes [PDF]

open access: yes, 1998
The stability of stationary interpolatory subdivision schemes for univariate data is investigated. If the subdivision scheme is linear, its stability follows from the convergence of the scheme, but for nonlinear subdivision schemes one needs stronger ...
Damme, R.M.J. van, Kuijt, F.
core   +1 more source

B-spline curve theory: An overview and applications in real life

open access: yesNonlinear Engineering
This study commences by delving into B-spline curves, their essential properties, and their practical implementations in the real world. It also examines the role of knot vectors, control points, and de Boor’s algorithm in creating an elegant and ...
Hasan Md. Shahid   +4 more
doaj   +1 more source

Fully computable a posteriori error bounds for hybridizable discontinuous Galerkin finite element approximations [PDF]

open access: yes, 1956
We derive a posteriori error estimates for the hybridizable discontinuous Galerkin (HDG) methods, including both the primal and mixed formulations, for the approximation of a linear second-order elliptic problem on conforming simplicial meshes in two and
Ainsworth, Mark, Fu, Guosheng
core   +3 more sources

On multi-degree splines

open access: yes, 2017
Multi-degree splines are piecewise polynomial functions having sections of different degrees. For these splines, we discuss the construction of a B-spline basis by means of integral recurrence relations, extending the class of multi-degree splines that ...
Beccari, Carolina Vittoria   +2 more
core   +1 more source

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