Results 31 to 40 of about 32,828 (201)

Some Inversion Formulas and Formulas for Stirling Numbers [PDF]

Graphs and Combinatorics, 2012
In the paper we present some new inversion formulas and two new formulas for Stirling numbers.
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One-dimensional Quaternion Fourier Transform and Some Applications

Bulletin of Computational Applied Mathematics, 2021
The Fourier transform is a very useful tool in many areas. This transform has been defined in many contexts, as complex numbers, quaternions, and Clifford algebras.
Eusebio Ariza García, Claudia Jiménez Heredia, Carlos Chipantiza   +2 more
doaj  

Retrieval of Boreal Forest Heights Using an Improved Random Volume over Ground (RVoG) Model Based on Repeat-Pass Spaceborne Polarimetric SAR Interferometry: The Case Study of Saihanba, China

Remote Sensing, 2021
Spaceborne polarimetric synthetic aperture radar interferometry (PolInSAR) has the potential to deal with large-scale forest height inversion. However, the inversion is influenced by strong temporal decorrelation interference resulting from a large ...
Yu Mao, Opelele Omeno Michel, Ying Yu, Wenyi Fan, Ao Sui, Zhihui Liu, Guoming Wu   +6 more
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A unified radon inversion formula [PDF]

Journal of Mathematical Physics, 1978
A Radon inversion formula which holds in spaces of even or odd dimension n is obtained for functions which admit to a certain general decomposition. The inversion formula which is one member of a Gegenbauer transform pair is used to generate some interesting definite integrals involving special functions.
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An inversion formula for the distributionalH-transformation

Mathematische Annalen, 1982
SAXENA, R.K., Malgonde, S.P.
exaly   +2 more sources

Representing derivatives of Chebyshev polynomials by Chebyshev polynomials and related questions

Open Mathematics, 2017
A recursion formula for derivatives of Chebyshev polynomials is replaced by an explicit formula. Similar formulae are derived for scaled Fibonacci numbers.
Prodinger Helmut
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How reliable are process-based ²²²radon emission maps? Results from an atmospheric ²²²radon inversion in Europe [PDF]

Atmospheric Chemistry and Physics
The radioactive noble gas radon (222Rn) is a suitable tracer for atmospheric transport and mixing processes that can be used to evaluate and calibrate atmospheric transport models or to estimate greenhouse gas (GHG) emissions using the so-called radon ...
F. Maier, E. Falge, M. Gachkivskyi, S. Henne, U. Karstens, D. Kikaj, I. Levin, A. Manning, C. Rödenbeck, C. Gerbig   +9 more
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Nonparametric Multivariate Density Estimation: Case Study of Cauchy Mixture Model

Mathematics, 2021
Estimation of probability density functions (pdf) is considered an essential part of statistical modelling. Heteroskedasticity and outliers are the problems that make data analysis harder. The Cauchy mixture model helps us to cover both of them.
Tomas Ruzgas, Mantas Lukauskas, Gedmantas Čepkauskas   +2 more
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On an inversion formula [PDF]

Glasgow Mathematical Journal, 1980
In this paper the author considers the problem of finding a formula of inversion for the integral transform defined by the equationwhere a >0, k > 0 and r-1f(r) εL (a, ∞). This transform appeared in connection with an earlier investigation [4] in which an attempt was made to devise an integral transform that could be adapted to the solution of ...
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Terrestrial ecosystem carbon flux estimated using GOSAT and OCO-2 XCO₂ retrievals [PDF]

Atmospheric Chemistry and Physics, 2019
In this study, both the Greenhouse Gases Observing Satellite (GOSAT) and the Orbiting Carbon Observatory 2 (OCO-2) XCO2 retrievals produced by the NASA Atmospheric CO2 Observations from Space (ACOS) project (version b7.3) are assimilated within the GEOS ...
H. Wang, F. Jiang, F. Jiang, J. Wang, W. Ju, J. M. Chen, J. M. Chen   +6 more
doaj   +1 more source