نتایج جستجو برای: logarithmic transformation

تعداد نتایج: 238935  

2016
V. Chernenko V. Kokorin I. Vitenko S. Bugaychuk

The anomalies of the temperature dependences of the logarithmic decrement and eigen frequency of the free damped vibrations for Fe-Co-Ni-Ti shape memory alloys were first found in the vicinity of the reverse ay martensitic transformation. It was shown the damping capacity in the alloys investigated is comparable with that for TiNi based alloys.

Journal: :BMC Musculoskeletal Disorders 2006
Siobhan O'Donnell Scott G Thomas Paul Marks

BACKGROUND The one leg hop for distance is one of the most commonly employed functional tests utilized in the evaluation of the ACL deficient and reconstructed patient. While the reliability of the hop test scores has been well established, validity studies have revealed low sensitivity rates in detecting functional limitations using the hop index (the ratio or percentage of limb performance). ...

Journal: :Population Health Metrics 2009
David Bishai Marjorie Opuni

BACKGROUND Time trends in infant mortality for the 20th century show a curvilinear pattern that most demographers have assumed to be approximately exponential. Virtually all cross-country comparisons and time series analyses of infant mortality have studied the logarithm of infant mortality to account for the curvilinear time trend. However, there is no evidence that the log transform is the be...

2014
Luca Di Gaspero Tommaso Urli

Homecare, i.e., supportive care provided at the patients’ homes, is established as a prevalent alternative to unnecessary hospitalization or institutional care (e.g., in a rest home or a nursing home). These activities are provided either by healthcare professional or by nonmedical caregivers, depending on the patient’s needs (e.g., medical care or just instrumental activities of daily living)....

2011
Dario Pacino Pascal Van Hentenryck

This paper considers a constraint-based scheduling approach to the flexible jobshop, a generalization of the traditional jobshop scheduling where activities have a choice of machines. It studies both large neighborhood (LNS) and adaptive randomized decomposition (ARD) schemes, using random, temporal, and machine decompositions. Empirical results on standard benchmarks show that, within 5 minute...

Journal: :SIAM J. Imaging Sciences 2013
Myungjoo Kang Sangwoon Yun Hyenkyun Woo

The fully developed speckle (multiplicative noise) naturally appears in coherent imaging systems, such as synthetic aperture radar. Since the speckle is multiplicative, it is difficult to interpret observed data. Total variation (TV) based variational models have recently been used in the removal of the speckle because of the strong edge preserving property of TV and reasonable computational co...

2017
Tania Cerquitelli Evelina Di Corso Francesco Ventura Silvia Chiusano

In this work we argue towards a new self-learning engine able to suggest to the analyst good transformation methods and weighting schemas for a given data collection. This new generation of systems, named SELF-DATA (SELF-learning DAta TrAnsformation) relies on an engine capable of exploring different data weighting schemas (e.g., normalized term frequencies, logarithmic entropy) and data transf...

Journal: :Journal of animal science 2012
J Wolf

A general transformation formula is presented for interval traits in pigs, such as weaning-to-first-service interval or farrowing interval. In the logarithmic transformation, only observations that are greater than the median of the trait as originally recorded are transformed. The transformation considerably reduces the skewness and kurtosis of the trait so that the distribution of transformed...

1999
H. Kamada

Using a scale transformation in momentum space a phase equivalent relativistic potential is generated from the nonrelativistic potential. By that transformation a practical method for the relativistic 3N scattering with realistic nucleon-nucleon potentials is introduced. The formalism can be applied to any realistic nonrelativistic potential. We also discuss the locations of the moving logarith...

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