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4 449 (0,115s) •

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Quantization Effects in Hilbert-Huang Transform

Paper introduces brand new modification of Hilbert-Huang transform, suitable for use with data digitized over low number of quantisation levels. Using "constrained splines" instead of common "natural splines", both un-wante...

IN - Informatika

  • 2007
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Result

Using constrained cubic spline instead of natural cubic spline to eliminate overshoot and undershoot in Hilbert Huang transform

to apply constrained cubic spline into first part of the HHT to eliminate overshoot, the algorithm uses natural cubic spline to connect all local maxima and local minima to produce upper and lower envelope of the signal. H...

IN - Informatika

  • 2012
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Result

Compositional splines for representation of density functions

are a challenge when the densities need to be approximated with spline functions, including construction of the respective spline basis. The Bayes space methodology of density constraint. This is a key to propose a new spline

Statistics and probability

  • 2021
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  • Jimp
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Result

BS-Patch: Constrained Bezier Parametric Patch

A modified Bezier bi-cubic patch with a diagonal and antidiagonal curves of degree 3 is presented with experimental results.

JC - Počítačový hardware a software

  • 2013
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  • Jx
Result

Instantaneous Frequency and Hilbert-Huang Transform

Traditional Fourier-based methods are designed to work with linear data, or linear representations of nonlinear data and are not suitable for studying nonlinear and non-stationary phenomena. Non-stationary applications require new data processing too...

IN - Informatika

  • 2007
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Result

A note on tension spline

Spline theory is mainly grounded on two approaches: the algebraic one (where splines are understood as piecewise smooth functions) and the variational one (where splines are obtained via minimization of quadratic functional...

BA - Obecná matematika

  • 2015
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Result

Segmented Construction of Planar B-spline Curves

Main topics of the document: B-spline curves; open; closed; B-spline base functions; B-spline curves clamped; Cox-de Boor recursive formula......

Pure mathematics

  • 2017
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Result

Graphical Representation of 1D and 2D Uniform and Non-uniform B-Splines

The presented paper is motivated to unify the different notations and concepts of B-splines available in literature as well as their graphical representation modification of the spline curves. Quadratic and cubic splines ar...

FS - Lékařská zařízení, přístroje a vybavení

  • 2005
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  • Jx
Result

Some splines produced by smooth interpolation

The spline theory can be derived from two sources: the algebraic one (where splines are understood as piecewise smooth functions satisfying some continuity conditions) and the variational one (where splines are obtained via...

Applied mathematics

  • 2018
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  • Jimp
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Result

Quasi-cubic Splines for Finite Element Method

In the paper, the quasi-cubic splines for solution of wave equation using finite element method (FEM) are presented. The splines are designed with respect to easy implementation and efficiency, comparable with linear splines

JA - Elektronika a optoelektronika, elektrotechnika

  • 2002
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