Results 21 to 30 of about 91,392 (304)
Improved morphological filtering method for interferograms
This study proposes an improved interferogram filtering method with mathematical morphology. The algorithm firstly converts the interferogram in cosine and sine parts to preserve the continuity of phases, then adopts the improved adaptive line structure ...
Bin Zhang, Shuang Li
doaj +1 more source
The evolution characteristics of Hermite-cosine-Gaussian beams in optical nonlinear medium with spatial nonlocality are investigated theoretically in detail.
Jie Li +3 more
doaj +1 more source
Anisotropic etching of platinum electrodes at the onset of cathodic corrosion
The corrosion mechanism of metals at cathodic potentials is still poorly understood. Here the authors report the cathodic corrosion onset potential of platinum in concentrated sodium hydroxide, showing etching anisotropy, and present a framework to ...
Thomas J. P. Hersbach +2 more
doaj +1 more source
A Weighted Cosine-G Family of Distributions: Properties and Illustration Using Time-to-Event Data
Modeling and predicting time-to-event phenomena in engineering, sports, and medical sectors are very crucial. Numerous models have been proposed for modeling such types of data sets.
Omalsad Hamood Odhah +3 more
doaj +1 more source
Cosine Similarity Measure Based Multi-attribute Decision-making with Trapezoidal Fuzzy Neutrosophic Numbers [PDF]
The objective of the study is to present cosine similarity measure based multi-attribute decision making under neutrosophic environment. The assesments of alternatives over the attributes are expressed with trapezoidal fuzzy neutrosophic numbers in which
Surapati Pramanik +6 more
core +1 more source
As research in alternate energy sources is growing, solar radiation is catching the eyes of the research community immensely. Since solar energy generation depends on uncontrollable natural variables, without proper forecasting, this energy source cannot
Ibrahim, Abdelhameed +6 more
core +1 more source
Composite Cosine Transforms [PDF]
The cosine transforms of functions on the unit sphere play an important role in convex geometry, the Banach space theory, stochastic geometry and other areas. Their higher-rank generalization to Grassmann manifolds represents an interesting mathematical object useful for applications.
Ournycheva, Elena, Rubin, Boris
openaire +2 more sources
Some new modified cosine sums and $L^{1}$-convergence of cosine trigonometric series [PDF]
summary:In this paper we introduce some new modified cosine sums and then using these sums we study $L^{1}$-convergence of trigonometric cosine ...
Krasniqi, Xhevat Z. +3 more
core +1 more source
SOME WAYS OF SOLVING TRIGONOMETRIC EQUATIONS IN SECONDARY SCHOOL [PDF]
The scientific article discusses methods for solving trigonometric equations in the high school mathematics course. Trigonometric equations are one of the most important topics in high school mathematics.
Nazarbaeva M. T. +2 more
doaj +1 more source
A New Extended Cosine—G Distributions for Lifetime Studies
In this article, we introduce a new extended cosine family of distributions. Some important mathematical and statistical properties are studied, including asymptotic results, a quantile function, series representation of the cumulative distribution and ...
Mustapha Muhammad +6 more
doaj +1 more source

