7 Mathematical calculations

Positive pulse

Measure of the duration of the

 

1st positive impulsion. Made at

 

width

50% of the amplitude

 

 

 

Negative pulse

Measure of the duration of the

 

1st negative impulsion. Made at

 

width

50% of the amplitude

 

 

 

Positive cycle

duration of positive impulsion

 

time

 

period

 

 

 

 

Negative cycle

duration of negative impulsion

 

time

 

p

 

iode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

N

 

 

Calculation on the

Average

Moy

Vi

 

N

 

whole graphic

 

 

 

i1

 

 

 

N: total number of dots

window

 

 

 

 

1

 

 

N 2

 

 

Moy

 

 

 

Vi

Calculation on as

Cyclic average

N

 

N

 

2

i

N1

many periods as

 

 

 

1

 

 

N2-N1: number of dots between

possible

 

complete periods

 

 

 

 

 

1

N

Vi 2

Calculation on the

RMS

RMS

 

whole graphic

 

 

 

 

N i1

 

 

 

window

 

 

 

 

1

 

N 2

 

 

Cyclical RMS

RMS

(N2

 

Vi 2

 

 

 

N1) iN 1

 

Page 4

Page 58
Image 58
Escort 3008B, 3016B, 3004B user manual Width,   V, Cyclical RMS