12 Spatial Averaging
Narda SRM-3006 145
The averaging process
The SRM-3006 simplifies the measurement by automatically averaging the
values measured at different points in the room. The SRM-3006 determines
the root mean square value (RMS), i.e. the average power level. For this
reason it is a good idea to set the detector function in Level Recorder mode
to RMS, although the PEAK setting is also available.
Spatial Averaging can be applied in the following operating modes:
• Safety Evaluation (see page 93)
• Spectrum Analysis (see page 105)
• Level Recorder (see page 135)
It cannot be used in UMTS P-CPICH Demodulation mode.
According to the operating mode, the SRM-3006 determines the average of:
• the individual results for the different services (Safety Evaluation mode),
• the individual spectral values (Spectrum Analysis mode), or
• the individual measured values (Level Recorder mode).
12.2 Description of averaging functions
The following types of Spatial Averaging are available:
• Continuous: measured values are recorded continuously
• Discrete: one measured value recorded each time a key is pressed
• Discrete Axis: one single axis measured value recorded each time a key
is pressed
These three averaging functions are described briefly below.
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