PhaseStation 53100A User’s Manual V1.04 25-Apr-2022
191
0
= No smoothing or spur suppression
1
= Spurs are removed from the trace but no smoothing is applied
2
= Spurs are removed from the trace and smoothing is applied (default)
In most cases the smoothing parameter should be left at its default value of 2. Spurs that are
present in the phase noise spectrum have undergone the same 1-Hz normalization process as
the noise data itself, so they will rarely appear at their true amplitudes. Use the
show spurs
command to retrieve the offsets and amplitudes of detected spurs.
/spur_dB:<dB>
This parameter corresponds to the
Spur threshold
field in the
Additional options
page of the
PhaseStation 53100A acquisition dialog. It determines the amplitude above the local average
phase noise level at which a discrete spectral line is recognized as a coherent spur. The default
spur detection threshold is 6.0 dB.
/spur_Hz:<Hz>
This parameter corresponds to the
Spur min offset
field in the
Additional options
page of the
PhaseStation 53100A acquisition dialog. Spurs with offset frequencies below this value in Hz will
not be removed from the plot or added to the spur chart. This may be helpful when one or
more spurs close to the carrier are being erroneously flagged. The default minimum spur offset
is 0 Hz, which disables the feature.
/start
Causes TSERVE to begin an acquisition immediately after launch.
If
/start
is not specified on the command line, no measurement will begin until a client logs onto
the Telnet command port and issues a
start
command.
/timeformat:<12,24>
Sets the format used by the
show time
command.
/timeformat:12
specifies 12-hour time while
/timeformat:24
specifies 24-hour time.
/timestamp:<s, MJD, UNIX>
See
/sep
.
/title:<string>
Establishes the title text returned by the
show title
command.
By default, the title is the reserved string
(Serial #),
which causes the serial number of the
connected instrument to be returned by
show title
. Refer to the
show title
command
description for more information.
Summary of Contents for PHASE STATION 53100A
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