测量不确定度基础知识培训讲议

测量不度础识训讲议产环试验赛计量检测年-1-x∆x∆xxx∆+00,x∆xxxxxpxpx∆∆+=→∆)(lim)(000xxx∆+00,dxxpxxxxPxxx)()(0000∆+∫=∆+xxx∆+00,-2-9.0=Pxxx∆+00,∑=∞→=niinxnu11lim2σnuxinin∑=∞→−=12)(lim2σσnuxniin∑=∞→−=12)(limσσσnxxxx......,,321∑==niixnx11s1)(12−−=∑=nxxsniixxxi−1−n)(xsnxsxs)()(=n3/)(ax=σ6/)(ax=σ-3-2/)(ax=σ)])([(),(yxuyuxEyxV−−=)()(),(),(yxyxVyxQσσ=)()()1())((),(1ysxsnyyxxyxrniii−−−=∑=0xuixsx0xxi−=∆uxri−=∆0xus−=∆0xusxu−uxcs−=cuxc+=cxs,cx-4--5-xn∑−=niixnx11nxsxsxuA/)()()(==1)()(12−−=∑=nxxxsnii1−nixmmxxnxiinii6.1242911911===∑∑==mmxxnxxxsiinii2319)(1)()(91212=−−=−−=∑∑==mmxs7.79/23)(==7.7=Auaa−,kaxuB/)(=a3a161052.16−−×Co161040.0−−×±Coaa161040.0−−×=Caoa3=k1661023.03/1040.0/−−−×=×==CkauBoynnxxxx......,,,321)......,,,(321nxxxxfy=-6-∑∑∑=−=+=∂∂∂∂+∂∂=nininijjijiicxxuxfxfxuxfyu111122),(2)()()()(ixuixxfci∂∂=)()(iiixucyu=yi),(jixxuixjx)()(),(),(jijijixuxuxxxxuγ=),(jixxγixjx)()()1())((),(1jinkjjkiikjixsxsnxxxxxx−−−=∑=γix∑∑====niiniiicyuxucyu12122)()()()(ixyixpnnppxxcxy......2211=∑==niiiicxxupyyu12]/)()[(/)(ix1),(+=jixxγ∑==niiicxucyu1)()(2=kaCo/10155−×Co/1015−×±Co25Co02.0±)]20(1[0CtaRRto−+=,05.1000Ω=RCao/10155−×=Cto25=Ω=−××+=∴−125.100)]525(10151[25.100255R)()()()(22322202212tucaucRucRutc++=075.1)(1/001=−+=∂∂=ttaRRctCttRaRcto.25.500505.100)(/002Ω=×=−=∂∂=CaRtRcto.50075.1101505.100/503Ω=××==∂∂=−Ω==005.02/01.0)(0RuCCauoo/1057.03/101)(55−−×=×=-7-CCtuoo0112.0302.0)(==2252)0112.050075.1()1057.025.500()005.0075.1()(×+××+×=−tcRuΩ=018.0Ω=125.10025CRoΩ=018.0cuU)(ykuUc=k)(yuceffγpkeffγ∑=niiiceffyuyu144)()(γγeffγt)(effptγ)(effpptkγ=)(yukUcpp=2=k32=kcuU2=3=kcuU3=k2=k2≠kk321321,,),,(xxxxxxfY==ix321,,xxx15,5,10321===nnn%25.0/)(11=xxU%57.0/)(22=xxU%82.0/)(33=xxUYy∑∑∑====∂∂==niiiiniiniiicxuxyxuxfxucyu1222211222)(][)(][)()(2122%)03.1(])([])([==∑=niiicxxuyyu0.1911582.01557.011025.003.1]/)([]/)([)()(4444144144=−+−+−===∑∑==niiiicniiiceffxxuyyuyuyuγγγ95.0=p19=effγt09.2=t%2.2%03.109.295=×=U-8-cucuUUsmmgugmcs35.0,02147.100==gms)35(02147.100=cugms)00035.0(02147.100=cu)2(00070.0,02147.100===kgUgmsgms)00070.002147.100(±=±ckuU=mguc35.0=26.2=k26.2=k9=γ95.0=ptcuUUkk2=k-9-6=nxyxy=1uix)(0017.5011mxnxnii==∑=)(15.1)1()()(121mmnnxxxssnii=−−==∑=my0017.50=)(15.111mmsu==511=−=nγ1u1uuA=2u)(3mma=a)(73.13/3/2mmkau===2uuB=cu1u2u1u2u)(08.22221mmuuuc=+=U2=k)(2.4mmkuUc==my0017.50=mmU2.4=Ummuc08.2=2=k-10--11-