1、 11843-7 2014 7 ISO 11843-7:2012 Capability of detection Part 7: Methodology based on stochastic properties of instrumental noise (IDT) 11843-72014 II 1 - ( ) , 4 2 125 3 29 2014 . 1453-. 4 11843-7:2012 . 7. (ISO 11843-7:2012 Capability of detection Part 7: Methodology based on stochastic properties
2、 of instrumental noise). 1.5 2012 ( 3.5). , 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 11843-72014 III , 11843, ( ). ( ) , , . ( ) , , , , , (), . . . . , 11843-2 11843-5. 11843-11) 11843-22); 11843-53). . 11843 . xd, , . , , , , xd. , 11843 , 11843-5. 11843-5 - . , , . . 1) 11843-1:1997 .
3、1. (ISO 11843-1:1997Capability of detection Part 1: Terms and definitions). 2) 11843-2:2000 . 2. (ISO11843-2:2000 Capability of detection - Part 2: Methodology in the linear calibration case). 3) 11843-5:2008 . 5. (ISO 11843-5:2008 Capability of detection - Part 5: Methodology in the linear and non-
4、linear calibration cases). 11843-72014 1 7 Statistical methods. Capability of detection. Part 7. Methods of an estimation taking into account background noise 20151201 1 . , . . : ; (SD) (CV) ; SD CV ( ). , , , . , , - , . 2 : 11843-1:1997 . 1. (ISO 11843-1:1997 Capability of detection - Part 1: Ter
5、ms and definitions) 11843-2:2000 . 2. (ISO 11843-2:2000 Capability of detection - Part 2: Methodology in the linear calibration case) 11843-5:2008 . 5. (ISO 11843-5:2008 Capability of detection - Part 5: Methodology in the linear and non-linear calibration cases) 3534-1 . . 1. , (ISO 3534-1 Statisti
6、cs Vocabulary and symbols Part 1: General statistical terms and terms used in probability) 3534-2 . . 2. (ISO 3534-2 Statistics Vocabulary and symbols Part 2: Applied statistics) 3534-3 . . 3. (ISO 3534-3 Statistics Vocabulary and symbols Part 3: Design of experiments) 5725-1 ( ) . 1: (ISO 5725-1, A
7、ccuracy (trueness and precision) of measurement methods and results Part 1: General principles and definitions) 3 3534-1, 3534-2, 3534-3, 5725-1, 11843-1, 11843-2, 11843-5, : 3.1 (precision profile): 11843-72014 2 (SD) Y(X) X(X) . 11843-5:2008, 3.4 1 (CV) , , . 2 SD CV SD CV ( 11843-5). 3.2 (minimum
8、 detectable value of the net state variable, xd) xd: , (1 ) , . 1 X(X) X(X) = X, xd xd= (kc+ kd)X, (1) kc , ; kd , . Y Y(X) = Y, : xd= (kc+ kd)(Y/ |dY/dX |), (2) |dY/dX| , . 2 , , 5 %, kc= kd= 1,65, (1) xd= 3,30X. 3 kc= kd= 1,65, (1) X/ xd= 1/3,30 = 30 %. xd . xd X(xd), 30 %. 4 , . , Y(X) X(X) |dY/d
9、X| Y = f(X),: X(X) = Y(X)/|dY/dX| (O 11843-5). d2Y/dX2. 5 11843-5:2008. 4 4.1 , , (), , . , . . . , . . , , , (, CV = 0,3 % ), (CV = 30 % ). ( ) , . , , ( , ). . 11843-72014 3 . 4.2 . (6) (10) (11) Yi . , . , Yi, , 1/f ( .1). P(f) 1/f , 1()Pff , (3) f . . wi i- . , w i. , wi wj , i j. , Mi Mj (i j). . (9). i : Mi= Mi-1+ mi. (4) mi i; (1 1). 5 5.1 , , (. 2, 3, 4), 0s0s ttE YY, (5) E ,
