In this paper presents the R reliability mathematical formula of (3+1) Weibull Cascade model. The model is expressed by random variables, which are stress and strength distributions. was estimated six dissimilar methods (ML, Mo, LS, WLS, Rg Pr) simulation performed using MATLAB 2012 program to compare results estimates MSE criterion, indicated that best estimator among estimators ML.

Introduction: Diversity is an effective and widely used technique for mitigating the effects of multipath fading [1]. Among the well-known diversity techniques, switched and stay combining (SSC) is simple and cheap, though less efficient. In a dual-branch SSC receiver, if the instantaneous signal-to-noise ratio (SNR) of the first branch falls below a predefined switching threshold, the second b...

We exhibit a new stability property of Weibull tail-distributions. It is shown that the power of a random variable with a Weibull tail-distribution still has a Weibull tail-distribution and the associated Weibull tail-coefficient is exhibited. Weibull tail-distributions are defined through their distribution function by:

This report explains Weibull plotting and its rationale. It shows how the two Weibull parameter estimates are easily read off from the Weibull plot. The use of Weibull plotting is introduced first in the context of complete samples and then extended to two common forms of censoring: type I or multiple censoring and type II censoring. Two blank Weibull plotting templates are provided, one for a ...

Nowadays, researchers in applied sectors are highly motivated to propose and study new generalizations of the existing distributions provide best fit data. To a close data numerous sectors, series have been proposed. In this study, we family called generalized- X (for short, “NG- id="M3"> ”) distributions. Based on NG- i...

We derive a closed form solution for the Kullback-Leibler divergence between two Weibull distributions. These notes are meant as reference material and intended to provide a guided tour towards a result that is often mentioned but seldom made explicit in the literature. 1 The Weibull Distribution TheWeibull distribution is the type III extreme value distribution; its probability density functio...