1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 14956 KS I ISO 14956:2008 2008 12 9 http:/www.kats.go.krKS I ISO 14956:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 2003 10 31 ： 2008 12 9 2008-0855 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 14956:2008 Air quality Evaluatio
2、n of the suitability of a measurement procedure by comparison with a required measurement uncertainty 2002 1 ISO 14956, Air quality Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty , . 1 . . 2 . . ( ) . KS I 2003, 3 . 3.1 ( ) 3.2 , KS I I
3、SO 14956:2008 2 3.3 . (GUM： 1993, 2.3.1) 3.4 ( ) . 3.5 , . (VIM： 1993, C.2.11) 4 bjC ctest xj c bj, maxbj C c ctest D(yi) C ctest Yi f(yi)cal , IjC ctest xi i Y j X k n , m P p pmax sc(xj) C ctest xj s(xj) C ctest xj sinst(yi) yi sr(yi) yi Yi sR(yi) yi Yi s(i) Yi ( ) t0.975t 97.5 Uc95 % C ctest c Ur
4、eq95 % C ctest c ucC ctest c u(bj) C ctest bj uc(xj) C ctest j xj u(xj), u(xj) xj (difference) upC ctest p u(i) C ctest yi Yi KS I ISO 14956:2008 3 c ufitc(yi) C ctest yi Yi c uinstci(yi) C ctest yi Yi c urc(yi) C ctest yi Yi c uRc(yi) C ctest yi Yi c ureqC ctest u(yi) Yi wiYi , inyyyf ),(1LX Xjj xj
5、Xj xj,calXj xj,max Xj xj,min Xj Y Yii yiYi yi,fitC ctest yi Yi c(xj) xj c c(xj,p) Xj c c(xj,n) Xj c xj xj xj,p xj xj,n xj 5 . . GUM . a) ( ) . . b) ( ) ( ) . c) ( ) ( ) . . d) . e) ( ) . ( ) . . , . f) ( ) . ( ) bj xj xj wi . KS I ISO 14956:2008 4 g) . h) . i) ( ) . j) ( ) . ( ) 1 . . ( ) ( ) . ( )
6、( ) . p a)?b)?c) up ( X ) X 3= 3max c= t 0.975c c At C = ctest: UC Ureq?Uc ? 3= 3+ 1 1 pmax (p 1) p p 1 p .a) ? b) ? c) up ( ) up ( )p pma uc uc t0.975uc uc ? C ctest UcUreq? up ( ) KS I ISO 14956:2008 5 6 ( ) 6.1 . ( , , .) ( .) . . 6.2 . 6.3 . Ureq, 95 % . Ureq ctest . Ureq . k 2 . 7 ( ) 7.1 . . 7
7、.2 ( , , ) ( , ) . ( ) ( ) . . 25 % . 25 % . ctest 5 % . 10 % . . ( , ) . . KS I ISO 14956:2008 6 8 8.1 , c f yi (1) . c f(y1, , yn) (1) . ( ) . . ( ) . . xj c (2) . +=mjj,jjnxxbyyfc1calcal1)(),(L(2) bj (xj xj,cal) . ( ) . GUM . c (3) . )var()()var()var()var(2cal,cal,22jjjjjjjjiiibxxxxbyYfc += (3) (
8、3) uc (4) . )()(2222i2c jjjiixubyuwu += (4) x2ju2(bj) (4) . 1 u(yi) . . 2 (AMS) . . . . c . Vsol fcol Vair . wi c cVsol(Vairfcol) . . ( ) ( ) . ( ) KS I ISO 14956:2008 7 . . KS I 2003 KS I ISO 9169 . 8.2 . 20 % . . . (1 , ) ( ) ( ) / . . ( ). , , , , . , . , . 8.3 8.2 . . . . . , , . . KS I ISO 1495
9、6:2008 8 . . . 8.4 8.4.1 (quantify) . 8.4.2 8.4.4 . . . . . 8.4.2 Xj xj xj,max . A . xj,min . 0 . xj,cal . ( ) jth xj,cal . . . . . . 8.4.3 ( ) Xj( ) xj xj,cal xj,max xj,min . xj,max xj,cal xj,min xj,cal . . 8.5 ( ) 8.5.1 ( ) (KS I ISO 9169 ) . . . ( ) C ctest . ( Xj) c(xj) sc(xj) . GUM KS I ISO 149
10、56:2008 9 . , . MSE . (5) . )()()(22jjjxcsxcxcu += (5) (6) 6. )()(22jjjxsxxu += (6) u(xj) (7) . 3)()(2n,n,p,2p, jjjjjxxxxxu += (7) , ( ). xj,p xj,n . 0 (7) (8) . 3)(p,jjxxu= (8) . . 8.5.2 , , ( ) , ( , ) / ( ), . . . . . . C ctest (9) yi sR(yi) uRc(yi) . uRc(yi) wi sR(yi)(9) . C ctest (10) i sr(yi)
11、ur(c) . urc(yi) wi sr(yi)(10) . . 8.5.3 ( ) , . ( ). Yi Yi yi,test C ctest yi,fit Yi ( ) yi,test . c ( ) (11) . ufitc(yi) wi yi,fit(11) KS I ISO 14956:2008 10 , P (8) . 8.5.4 ( ) . ( ) . Yi yi,test s )(iy C ctest Yi . (12) c . uc( )(iy wi s )(iy (12) 8.5.5 / ( ) KS I ISO 9169 C ctest Yi yi,test Yi , D(yi) sinst(yi) . 3)()()(2inst2instiiiiysyDwycu+= (13)
