9 Programming the Instrument
9.3 SCPI Operation and Results Query
Sample Trace Data - Constant Envelope
(See below for explanation of variables.)
Sample Trace Data - Not Constant Envelope
(See below for explanation of variables.)
<soffset>
Optional real number, in seconds for time-domain traces, and is a dimensionless
index 0 to Npoints – 1, for frequency-domain traces
Specifies the amount of data at the beginning of the trace that will be ignored
before the decimation process starts. It is the time or frequency change from the
start of the trace to the point where you want to start using the data. The default
value is zero
<length>
Optional real number, in seconds for time-domain traces, and is a dimensionless
index 0 to Npoints – 1, for frequency-domain traces
Defines how much data will be compressed into one value. This parameter has a
default value equal to the current trace length
<roffset>
Optional real number, in seconds for time-domain traces, and is a dimensionless
index 0 to Npoints – 1, for frequency-domain traces
Defines the beginning of the next field of trace elements to be compressed. This is
relative to the beginning of the previous field. This parameter has a default value
equal to the <length> variable. Note that this parameter is used for a
completely different purpose when curve fitting (see "CFIT or curve fit" on page
1085 above)
1089 IQ Analyzer Mode User's &Programmer's Reference
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