Agilent Technologies ESA-E E4401B, Справочник пользователя/программиста

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246 Chapter 5
Remote Command Reference
CALCulate:LLINe Subsection
Re
m
o
te
Co
m
m
a
nd Re
fe
re
nc
e
Time is always in seconds. No unit is allowed in this parameter.
• <ampl> – amplitude values are in the current Y-axis units. Up to two amplitude
values can be provided for each x-axis value, by repeating <x-axis> in the data
list. No unit is allowed in this parameter.
• <connected> – connected values are either 0 or 1. A 1 means this point should
be connected to the previously defined point to define the limit line. A 0 means
that it is a point of discontinuity and is not connected to the preceding point.
The “connected” value is ignored for the first point.
Example:
CALC:LLIN1:DATA
1000000000,–20,0,200000000,–30,1
Range: <x-axis> –30 Gs to +30 Gs for time limits
<x-axis> –30 GHz to +350 GHz for frequency limits
<ampl>
–120 dBm to +100 dBm
<connected> 0 or 1
Remarks: If two amplitude values are entered for the same frequency, a
single vertical line is the result. In this case, if an upper line is
chosen, the amplitude of lesser frequency (amplitude 1) is
tested. If a lower line is chosen, the amplitude of greater
frequency (amplitude 2) is tested.
For linear amplitude interpolation and linear frequency
interpolation, the interpolation is computed as:
For linear amplitude interpolation and log frequency
interpolation, the interpolation is computed as:
For log amplitude interpolation and linear frequency
interpolation, the interpolation is computed as:
For log amplitude interpolation and log frequency interpolation,
the interpolation is computed as:
Front Panel
Access:
Display, Limits, X Axis Units Freq Time
Display, Limits, Limit 1|2, Edit
y
y
i 1 +
y
i
–
f
i 1 +
f
i
–
---------------------- f
f
i
–
( )
y
i
+ =
y
y
i 1 +
y
i
–
log f
i 1 +
log f
i
–
--------------------------------------- log f
log f
i
–
( )
y
i
+ =
log y
log y
i 1 +
log y
i
–
f
i 1 +
f
i
–
----------------------------------------- f
f
i
–
( )
log y
i
+ =
log y
log y
i 1 +
log y
i
–
log f
i 1 +
log f
i
–
----------------------------------------- log f
log f
i
–
( )
y log
i
+ =