10 Monitor Spectrum Measurement
Meas
Sample Trace Data - Not Constant Envelope
(See below for explanation of variables.)
<soffset> - start offset is an optional real number. (It is in seconds for time-domain traces, and is a
dimensionless index 0 to Npoints – 1, for frequency-domain traces). It 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> - is an optional real number. (It is in seconds for time-domain traces, and is a dimensionless
index 0 to Npoints – 1, for frequency-domain traces). It defines how much data will be compressed into
one value. This parameter has a default value equal to the current trace length.
<roffset> - repeat offset is an optional real number. (It is in seconds for time-domain traces, and is a
dimensionless index 0 to Npoints – 1, for frequency-domain traces). It 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 above).
<rlimit> - repeat limit is an optional integer. It specifies the number of data items that you want returned.
It will ignore any additional items beyond that number. You can use the Start offset and the Repeat limit
to pick out exactly what part of the data you want to use. The default value is all the data.
EMI Receiver Mode Reference 775
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