نتایج جستجو برای: temporal variation

تعداد نتایج: 525481  

Journal: :Research in Astronomy and Astrophysics 2012

Akram Gheidi Shahran Taghi Mirtorabi

Distribution of magnetic fields in the quiet-Sun internetwork areas has been affected by weak polarization (in particular Stokes Q and U) signals. To improve the signal-to-noise ratio (SNR) of the weak polarization signals, several approaches, including temporal integrations, have been proposed in the literature. In this study, we aim to investigate a proper temporal-integration time with which...

Journal: :Monthly Notices of the Royal Astronomical Society 2001

Journal: :IEEE Transactions on Vehicular Technology 2008

Journal: :Proceedings of the Royal Society B: Biological Sciences 2019

2014
Nils Ryman Fred W Allendorf Per Erik Jorde Linda Laikre Ola Hössjer

Many empirical studies estimating effective population size apply the temporal method that provides an estimate of the variance effective size through the amount of temporal allele frequency change under the assumption that the study population is completely isolated. This assumption is frequently violated, and the magnitude of the resulting bias is generally unknown. We studied how gene flow a...

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