Agilent Technologies B1500A Guide de l'utilisateur télécharger pdf (Page 462)

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8- 12 Agilent B1500 User’s Guide, Edition 7

Built-in Programming Tool

Built-in Functions

log(A) Returns the logarithm (base e) of the expression A.

If A=0, -Overflow is returned with

the status “Arithmetic error”.

If A is a negative value, the logarithm of the absolute value is returned with the

status “Arithmetic erro

r”.

Example

B=log(A)

Data type A: numeric, B: numeric. Or A: vector, B: vector.

mavg(A,B) Returns the moving average value of data in the express

ion A. B specifies how

many data to use for the average. The moving average at the index number n is

defined as follows.

When n ≤ r

When r < n ≤ N-r

When N-r < n

where,

: moving average of A for the index number n

: A value for the index number i

r : B value

N : number of sweep steps or number of samples

If A contains some invalid values, the invalid v

alues are ignored

for the calculation.

For subordinate sweep, the first index number of each primary sweep is always 1.

Example

C=mavg(A,B)

Data type A: vector or numeric, B: numeric, C: vector.

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Agilent Technologies B1500A Guide de l'utilisateur Page 462

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