Quick Start Guide 1302.6163.62 - 04
5.23
R&S ESU
Measuring Harmonics of Sinusoidal Signals
1. Reducing the noise by reducing the video bandwidth.
➢
Press the
BW
key.
➢
Press the
VIDEO BW MANUAL
softkey.
➢
Using the rotary knob (turning it counterclockwise), reduce the video bandwidth to 10
kHz (for example), or enter
10 kHz
.
This clearly smooths the noise, and the sweep time will increase to 25 ms. In other
words, the measurement will clearly take more time. The video bandwidth that is shown
in the display is marked with an asterisk (*VBW) to indicate that it is no longer coupled
to the resolution bandwidth (see
Fig. 5-10 Suppression of noise during harmonics measurement by reducing video
bandwidth
2. Recouple the video bandwidth to the resolution bandwidth.
➢
Press the
VIDEO BW AUTO
softkey.
3. Reduce the noise by averaging the curve.
➢
Press the
TRACE
key.
➢
Press the
AVERAGE
softkey.
The noise component of the trace will be smoothed by averaging 10 successive traces.
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Страница 88: ...R S ESU Preparing for Use Operating System Properties 2 38 Quick Start Guide 1302 6163 62 04 ...
Страница 104: ...R S ESU Basic Operation Setting Parameters 4 12 Quick Start Guide 1302 6163 62 04 ...
Страница 175: ...Quick Start Guide 1302 6163 62 04 6 33 R S ESU LAN Interface Manual Operation of the R S ESU with XP Remote Desktop ...
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Страница 201: ...Quick Start Guide 1302 6163 62 04 R S ESU Appendix Appendix ...
Страница 202: ...Quick Start Guide 1302 6163 62 04 R S ESU Appendix ...