Hpe5022_Ber_Calculateotc_Q - Agilent Technologies E5022B Programming Manual

hpe5022_BER_calculateOtc_Q

C Syntax ViStatus hpe5022_BER_calculateOtc_Q(ViSession id, ViPReal64 otc, ViPReal64
otcPos, ViPReal64 otcNeg);
Visual Basic hpe5022_BER_calculateOtc_Q(ByVal id As Long, ByRef otc As Double, ByRef
Syntax otcPos As Double, ByRef otcNeg As Double) As Long
Description This function calculates the OTC (off-track capability) for bit error rate track
profile measurement. The definition of OTC is shown in Figure 3-9. The threshold
level is specified by the "hpe5022_BER_otcThreshold" function.
Figure 3-9 OTC Definition
Parameters • id
Description
Direction
• otc
Description
Unit
Direction
• otcPos
Description
Chapter 3
Bit Error Rate Track Profile Measurement
Specifies the system identifier. This is given by the
"hpe5022_init" function.
IN
Returns the calculated OTC. This represents the width of the
bath tub curve at threshold level.
Meter
OUT
Returns the positive OTC. This represents the width from the
write track offset position to the positive/right side of the
OTC.
Function Reference
183