Articles with "square root" as a keyword



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Analysis of proportional data in reproductive and developmental toxicity studies: Comparison of sensitivities of logit transformation, arcsine square root transformation, and nonparametric analysis

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Published in 2020 at "Birth Defects Research"

DOI: 10.1002/bdr2.1755

Abstract: In developmental and reproductive toxicity studies, analysis of litter‐based binary endpoints (e.g., incidence of malformed fetuses) is complex in that littermates often are not entirely independent of one another. It is well established that the… read more here.

Keywords: arcsine square; square root; analysis; transformation ... See more keywords
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The Square Root Problem and Aluthge transforms of weighted shifts

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Published in 2017 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201600302

Abstract: In this paper we consider the following question. When does there exist a square root of a probability measure supported on R+? This question is naturally related to subnormality of weighted shifts. The main result… read more here.

Keywords: probability; square root; aluthge; measure ... See more keywords
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Comparing square root method of measuring the cardiac output by means of aortic impedance change component to Kubicek's method

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Published in 2018 at "Medical Physics"

DOI: 10.1002/mp.13076

Abstract: PURPOSE The aim of this study is to explore a calculated method used to measure the cardiac output using the aortic impedance change component of reconstructed impedance cardiography. METHODS Routine impedance cardiography was measured using… read more here.

Keywords: formula; square root; change; method ... See more keywords
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The J-Orthogonal Square-Root MATLAB-Based Continuous-Discrete Unscented Kalman Filtering Method

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Published in 2020 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2020.12.1083

Abstract: The paper suggests a general solution to the square-rooting problem existed for the Unscented Kalman Filter (UKF) since its appearance in the late 1990s. As properly noted in engineering literature, the previously suggested Cholesky-based UKF… read more here.

Keywords: square root; root; orthogonal square; unscented kalman ... See more keywords
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Maximum correntropy square-root cubature Kalman filter with application to SINS/GPS integrated systems.

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Published in 2018 at "ISA transactions"

DOI: 10.1016/j.isatra.2018.05.001

Abstract: For a nonlinear system, the cubature Kalman filter (CKF) and its square-root version are useful methods to solve the state estimation problems, and both can obtain good performance in Gaussian noises. However, their performances often… read more here.

Keywords: square root; cubature kalman; filter; kalman filter ... See more keywords
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Adaptive square-root unscented Kalman filter: An experimental study of hydraulic actuator state estimation

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Published in 2019 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2019.07.021

Abstract: Abstract This paper introduces a new adaptive Kalman filter for nonlinear systems. The proposed method is an adaptive version of the square-root unscented Kalman filter (Sr-UKF). The presented adaptive square-root unscented Kalman filter (ASr-UKF) is… read more here.

Keywords: root unscented; filter; kalman filter; unscented kalman ... See more keywords
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Approach of implementing phase encoded quantum square root of NOT gate

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Published in 2017 at "Electronics Letters"

DOI: 10.1049/el.2017.2500

Abstract: Quantum logic gates are the building blocks of quantum computer. Here in this Letter the authors propose a new technique of implementing quantum square root of NOT gate by phase encoding mechanism. read more here.

Keywords: quantum square; phase; square root; root gate ... See more keywords
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Square-root Kalman-like filters for estimation of stiff continuous-time stochastic systems with ill-conditioned measurements

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Published in 2017 at "Iet Control Theory and Applications"

DOI: 10.1049/iet-cta.2016.1381

Abstract: This study addresses the performance of the extended and extended-cubature Kalman filters for state estimation of ill-conditioned stiff continuous-discrete stochastic systems. Stiff models arise naturally in practise as, for instance, the Van der Pol oscillator… read more here.

Keywords: stiff continuous; conditioned measurements; ill conditioned; square root ... See more keywords
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Square root formulae in the Śulbasũtras and Bakhshãlĩ manuscript

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Published in 2020 at "Journal of Interdisciplinary Mathematics"

DOI: 10.1080/09720502.2020.1721640

Abstract: Abstract The present investigations are focused on the extension of the square root formulae in the Śulbasũtras and the Bakhshãlĩ Manuscript. Two new iterative methods are being proposed using Bramhagupta’s lemmas and Narayana’s Varga-Prakrti in… read more here.

Keywords: ulbas tras; square root; bakhsh manuscript; formulae ulbas ... See more keywords
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Square-root variable metric based elastic full-waveform inversion—Part 2: uncertainty estimation

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Published in 2019 at "Geophysical Journal International"

DOI: 10.1093/gji/ggz137

Abstract: The authors are grateful to editor Jean Virieux and reviewer Andreas Fichtner and an anonymous reviewer for improving the initial manuscript. The authors are grateful to Carl Tape for inspiring discussions and valuable inputs to… read more here.

Keywords: based elastic; metric based; root variable; variable metric ... See more keywords
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Isospectral and square-root Cholesky photonic lattices

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Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.102.043521

Abstract: Cholesky factorization provides photonic lattices that are the isospectral partners or the square root of other arrays of coupled waveguides. The procedure is similar to that used in supersymmetric quantum mechanics. However, Cholesky decomposition requires… read more here.

Keywords: isospectral square; root; lattices isospectral; root cholesky ... See more keywords