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d.
FREQUENCY
RATIO
=
E/T
where:
corrected time =
T
+
((
TT-ST)
/(
LT-ST)
-
(TP-SP)/(LP-SP))
corrected
delay
time
=
T
+ ((TT-ST)/(LT-ST)
-
(TP-SP)/(DP-SP))
4.7.2.
5
Below
is
a
program example
for
frequency
measurement
(using
a
Hewlett-
Packard
Model
9825
A
controller).
For other
measurement
functions, substitute
the
formulas
mentioned
in
par.
4.7.2
.4 in line
20 of the
program.
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411737
4-26
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