IEC 60904-9:2020 © IEC 2020
– 25 –
The calculation can be also based on defining a reference SR curve
from the set, which will
reduce the number of SMM calculations to
n
-1.
The sensitivity to spectral mismatch effects corresponds to the standard deviation of the
above-calculated spectral mismatch factors divided by their average:
𝑢𝑢
(
𝑆𝑆𝑆𝑆𝑆𝑆
) =
1
𝜇𝜇 ∙ �
1
𝑢𝑢 � �𝑆𝑆𝑆𝑆𝑆𝑆
𝑖𝑖𝑖𝑖
− 𝜇𝜇�
2
1≤𝑖𝑖<𝑖𝑖≤𝑛𝑛
(A.2)
where,
𝑢𝑢
=
𝑁𝑁
2
− 𝑁𝑁
2
(A.3)
𝜇𝜇
=
1
𝑢𝑢 � 𝑆𝑆𝑆𝑆𝑆𝑆
𝑖𝑖𝑖𝑖
1≤𝑖𝑖<𝑖𝑖≤𝑛𝑛
(A.4)
Dostları ilə paylaş: