1 Power Meter Remote Operation
34 N1911A/1912A P-Series Power Meters Programming Guide
Setting the Range, Resolution and Averaging
This section provides an overview of setting the range, resolution and
averaging. For more detailed information about these features refer to the
individual commands in Chapter 10, “SENSe Subsystem”.
Resolution
You can set the window’s resolution using the following command:
DISPlay[:WINDow[1]|2][:NUMeric[1]|2]
:RESolution <numeric_value>
There are four levels of resolution available (1 through 4).
When the measurement suffix is W or % this parameter represents the
number of significant digits. When the measurement suffix is dB or dBM,
1 through 4 represents 1, 0.1, 0.01, and 0.001 dB respectively.
Refer to the :RESolution command on page 241 for further information.
Averaging
The power meter has a digital filter to average power readings. The
number of readings averaged can range from 1 to 1024. This filter is used
to reduce noise, obtain the desired resolution and to reduce the jitter in
the measurement results. However, the time to take the measurement is
increased. You can select the filter length or you can set the power meter
to auto filter mode. To enable and disable averaging use the following
command:
[SENSe[1]]|SENSe2:AVERage[:STATe] <boolean>
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