نتایج جستجو برای: characteristic time

تعداد نتایج: 2031903  

Journal: :Geophysical Journal International 1967

Journal: :LMS Journal of Computation and Mathematics 2016

Journal: :international journal of smart electrical engineering 0
keyvan allahmoradi department of electrical engineering, birjand university of birjand, mohsen farshad department of electrical engineering, birjand university of birjand, omid bahrampour , department of electrical engineering, birjand university of birjand

this with the integration of distributed generation (dg) to meshed distribution systems, the operating time of the protective system becomes a major concern in order to avoid nuisance dg tripping. this paper proposes a new tripping characteristic for directional overcurrent relays (docrs) that can achieve a higher possible reduction of overall relays operating time in meshed distribution networ...

2014
Tibor K. Pogány

The main aim of this article is to characterize and investigate the three parameter exponentiated exponential Poisson probability distribution EEP(α, β, λ) by giving explicit closed form expressions for its characteristic function φξ(t) and moment generating function Mξ(t), and finally, to show that the existing series and integral form expressions for positive integer order moments Eξ , ν ∈ N ...

Journal: :Kybernetika 2003
Simos G. Meintanis George Iliopoulos

Next to the normal distribution, the exponential distribution is possibly the most widely referenced continuous probability law. It appears as a textbook or an inclass example in introductory probability and statistics courses, and constitutes the A and B of reliability and life testing. There exist numerous characterizations of the exponential distribution, most of them based on the "lack of m...

1995
Franz Hlawatsch Helmut Bölcskei

We present a theory of quadratic time-frequency (TF) energy distributions that satisfy a covariance property and generalized marginal properties. The theory coincides with the characteristic function method of Cohen and Baraniuk in the special case of "conjugate operators."

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