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A method is proposed for estimating the parameters of a mixture of exponential and Weibull distributions using censored samples. Preliminary estimates obtained by graphical analysis are refined by the method of maximum likelihood. The efficiency of the method is confirmed by the results of a statistical modeling. 相似文献
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A method is proposed for estimating the parameters of a mixture of exponential and Weibull distributions for which the accuracy of preliminary estimates obtained by graphical analysis is refined in accordance with the criterion of maximum likelihood. The efficiency of the proposed method is supported by the results of statistical modeling. 相似文献
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It is proposed to use a mixture of Weibull and exponential distributions to describe component reliability on the basis of a realistic model for resource consumption. 相似文献
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Ya. S. Grodzenskii 《Measurement Techniques》2009,52(7):706-708
A study is made on the performance of optimal statistical sequential criteria for regulating technological processes when
the distribution of the monitored parameter is not known. Mathematical simulation is used in comparing the properties of the
criteria. 相似文献
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Performance has been examined for optimal statistical runs tests for detecting a signal against a noise background. The tests have been compared by simulation. 相似文献
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S. Ya. Grodzenskii 《Measurement Techniques》2003,46(6):616-618
A combined method is used to estimate the parameters for a mixture of exponential and Weibull distributions. Examples are given of the method applied in reliability analysis for high-power electronic devices. 相似文献
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A discussion is given of the problem of increasing the efficiency of monitoring the quality of industrial products for which the moments of occurrence of failures are distributed in accordance with a binomial law or a Weibull law with unknown scale parameters. A mathematical modeling method is used to perform a comparison of the properties of different criteria and a sequential criterion with parabolic boundaries of the acceptance and rejection zones is proposed which is most economic in a number of cases. 相似文献
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The effectiveness of optimum statistical sequential criteria for signal detection on the background of noise is studied when
the signal and noise have a Rayleigh distribution. A sequential criterion with parabolic boundaries of zones that is sometimes
more economic is suggested. The properties of criteria are compared by a mathematical simulation method.
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Translated from Izmeritel’naya Tekhnika, No. 10, pp. 15–16, November, 2006. 相似文献
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