1、 , ISO 11222:2002Air quality Determination of the uncertainty of the time average of air qualitymeasurements(IDT) 122005/365 112222006 27 2002 . 184- , 1.02004 . 1 - - ( ) - , 42 457 3 - 20 2006 . 70-4 11222:2002 -. , (ISO 11222:2002 Air quality Determination of the uncertainty of the time average o
2、f air qualitymeasurements). - , B5 - , - . () . - , , 2006 , - - II 1122220061 12 13 14 35 46 67 10 () 11 () () .16 17 112222006III -. - . , 1, , , , , . , - , , . - , . . , :a) , ;b) , - ;c) , - . - . - , , . , .IV 112222006 , Air quality.Determination of the uncertainty of the time average of air
3、quality measurements 200608011 , , - . , . - -, . , :) , , - ;b) , ;c) . - (GUM).2 -:GUM:1995 3 :3.1 ; (arithmetic mean / average): , . 3534-1:1993, 2.263.2 (combined standard uncertainty): , , - , , , .GUM:1995, 2.3.4 () - .1 1122220063.3 (covariance): , - . , -, . . .3.4 (coverage factor): , .GUM:
4、1995, 2.3.63.5 (expanded uncertainty): , - , , , -, .GUM:1995, 2.3.5 Up Up(X), , Up(X); + Up(X).3.6 (influence quantity): , , .GUM:1995, .2.103.7 ( ) (mean squareuncertainty ): - . .3.8 (measurand): , -.VIM:1993, 2.6 - .3.9 (measuring system): , , - . - 1), .3.10 (model equation): , - () .3.11 (numb
5、er of degrees of freedom): - .GUM:1995, .2.313.12 (random variable): , -.GUM:1995, .2.23.13 (reference material): , - , - , .VIM:1993, 6.133.14 (reference standard): , - , , - , .VIM:1993, 6.61) .2 1122220063.15 (result of a measurement): , -, .VIM:1993, 3.13.16 (standard): , , -, , , - .VIM:1993, 6
6、.13.17 (standard deviation): - . GUM:1995, C.2.12.3.18 (standard uncertainty): -, .GUM:1995, 2.3.13.19 (time average): (- ), .3.20 (uncertainty): , - () , -.VIM:1993, 3.9 () .3.21 ( )(variance): 2- . - .4 i , . i .f .feff .f , u(),- .fS , uS(),- .f (u (j) u (j).f (ur(j) ur(j).f (unr(j) unr(j).f (unr) unr.f (ur(Ci) ur(Ci).kp(f) f.M T (j), T.ax .N Ci, T.Nmax Ci, T.n(j) T (j).s (Ci) N Ci, C. , .S , Ci.T (j) T.3 112222006u (Ci) Ci.ur(Ci) Ci.ur Ci.unr Ci.u (j) Ci T (j).ur(j) Ci T (j).unr(j) Ci T (j).u (CT)() C.uM() , .uS(C) , - , -
