نتایج جستجو برای: moment

تعداد نتایج: 60291  

2009
GWO DONG LIN J. STOYANOV

We study the class of logarithmic skew-normal (LSN) distributions. They have heavy tails; however, all their moments of positive integer orders are finite. We are interested in the problem of moments for such distributions. We show that the LSN distributions are all nonunique (moment-indeterminate). Moreover, we explicitly describe Stieltjes classes for some LSN distributions; they are families...

2007
Azah Kamilah Muda Siti Mariyam Hj. Shamsuddin Maslina Darus

Past few years, a lot of research on moment functions have been explored in pattern recognition. Several new techniques have been investigated to improve conventional regular moment by proposing the scaling factor of geometrical function. In this paper, integrated scaling formulations of Aspect Invariant Moment and Higher Order Scaling Invariant with United Moment Invariant are presented in Wri...

Journal: :Études françaises 1999

Journal: :Journal of Writing in Creative Practice 2019

Journal: :Journal of Language and Politics 2019

Journal: :AGORA Magazine 2018

Journal: :Sports Health: A Multidisciplinary Approach 2018

Journal: :Nature Physics 2020

Journal: :Physical review letters 2001
C C Cheng E M Wright J V Moloney

We present a model that elucidates the physics underlying the generation of an electromagnetic pulse from a femtosecond laser induced plasma channel. The radiation pressure force from the laser pulse spatially separates the ionized electrons from the heavier ions and the induced dipole moment subsequently oscillates at the plasma frequency and radiates an electromagnetic pulse.

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