一類特殊混合分布的參數(shù)估計(jì).pdf

1、武漢科技大學(xué)碩士學(xué)位論文一類特殊混合分布的參數(shù)估計(jì)姓名：楊建設(shè)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：概率論與數(shù)理統(tǒng)計(jì)指導(dǎo)教師：陳清平20091015第1I頁(yè)武漢科技大學(xué)碩士學(xué)位論文AbstractWehavefoundtherewasagoodeffectionwithusethemixeddistributiontofittheoveralldistributionoftheactualdata，becausetheactualcomplexity

2、oftheissuesandpeopleofthegradualdeepeningofunderstandingofthepracticalproblemsInthispaperwehavemainlyresearchedtheproblemoftheparametersestimationofthemixeddistributionSetFl(x)，E(x)，只(x)勰thedistributionfunction，thedistri

3、butionofitshybridiskF(x)=∑pf(x)i=iWherePiindicatestheproportionofthecontributionof互(x)pairsofF(x)AndB≥Opl島以=1Thecorrespondingdensityfunctioncanbeexpressedas：IIlthemanufacturingprocessofsillwecanletzisthenonbrokenfilament

4、lengcllofcacoonasacontinuousrandomvariable，Bailunandothershadproofedthedistributionofthenonbrokenfilament1en礎(chǔ)ofcacoonisamixturedistributionwithexponentialdistributionandnormaldistributionfromthetheoreticalInthispaperwest

5、udytheproblemoftheparameterestimationofmodel(I)f(x，P，五，∥，or)=ⅣP一缸(1一p)P2一石0～2死13fandmodel(10一鯉￡1廠‘Lp名，∥，盯’2p五礦h。一p’(i二：麗P2一x。UsingEMalgorithmandquasiNewtontoestimatedtheparameterofthemodel(I)andmodel(II)Anddiscussedsomee