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R&S Power Viewer Plus
Trace Measurements
16.11.1 Measurement Results
These check boxes select which results are shown in the graphical
trace view. Low-level and high-level values are marked by small
horizontal lines for the rising and falling edge that the sensor evaluates.
The positions of the rising and falling edge are marked with small
diamonds.
Fig. 16.11.3: Automatic pulse measurement in trace view.
Algorithm
The analysis algorithm is used to determine the pulse-top and pulsebase powers. These two power levels are fundamental for the pulse
analysis, because they are required for calculating the pulse amplitude.
The reference levels are specified as a percentage of the pulse
amplitude, and they are required for measuring the entire pulse timing.
Equiv Sampling
This entry is only displayed if the high-resolution pulse analysis is used
by the sensor firmware and shows the equivalent sampling time. This
time provides a good measure of the accuracy that is achieved with the
automatic pulse measurements. The following example demonstrates
the difference in resolution:
Without equivalent sampling:
20 µs/div @ 500 video points
< 400 ns / sample
With equivalent sampling:
Signal dependent
2.5 ns
High-resolution pulse analysis is useful when pulses with large duty
cycles need to be measured (for example, in radar applications).
Manual
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