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6 Measurement Optimization
6.6 Reduction of Trace noise
196
Fig. 6.13 Setting of Sweep Averaging
Attention
Click [Restart Average] in the sub-menu to start a group of new average sweep.
6.6.2 Track Smoothing
The smoothing function is used to reduce the peak-peak noise of broadband measurement data. The data of part of
the displayed trace are averaged by the analyzer. The number of adjacent data points subject to averaging at the
same time is also known as the smoothing aperture. The aperture can be defined as the number of data point or the
percentage of X-axis span.
Prompt
Use of the smoothing function:
➢
Use sufficient points in the display to avoid misleading results.
➢
The smoothing function must not be applied to the highly resonant device or the device subject to broad trace
changes, as measurement errors may be caused.
➢
The smoothing function can be independently set for each trace.
1) Influence of trace smoothing
Fig. 6.14 Influence of Track Smoothing on Measurement Results
2) Setting of trace smoothing
Menu path:
[Response] > [Avg] > [Smoothing...]
.
Click
[Smoothing]
to enable the smoothing function.
Select the method to specify the value of the smoothing aperture:
a) Enter the smoothing percentage in the
[Percent]
box. (Max. 25%)
b) Enter the number of smoothing points in the
[Points]
box. (The maximum value is 25% of the total number of
Содержание AV3672 Series
Страница 1: ...AV3672 Series Vector Network Analyzer User Manual China Electronics Technology Instruments Co Ltd...
Страница 3: ......
Страница 4: ...AV3672 Series Vector Network Analyzer Contents...
Страница 5: ......
Страница 124: ...5 Menu 5 1 Menu structure 120 5 1 2 Track Fig 5 2 Track Menu...
Страница 125: ...5 Menu 5 1 Menu structure 121 5 1 3 Channel Fig 5 3 Channel Menu...
Страница 126: ...5 Menu 5 1 Menu structure 122 5 1 4 Excitation Fig 5 4 Excitation Menu I...
Страница 127: ...5 Menu 5 1 Menu structure 123 Fig 5 5 Excitation Menu II...
Страница 128: ...5 Menu 5 1 Menu structure 124 Fig 5 6 Excitation Menu III...
Страница 129: ...5 Menu 5 1 Menu structure 125 5 1 5 Response Fig 5 7 Response Menu I...
Страница 130: ...5 Menu 5 1 Menu structure 126 Fig 5 8 Repsonse Menu II...
Страница 131: ...5 Menu 5 1 Menu structure 127 Fig 5 9 Response Menu III...
Страница 132: ...5 Menu 5 1 Menu structure 128 Fig 5 10 Response Menu V Fig 5 11 Response IV...
Страница 133: ...5 Menu 5 1 Menu structure 129 5 1 6 Calibration Fig 5 12 Calibration Menu...
Страница 134: ...5 Menu 5 1 Menu structure 130 5 1 7 Marker Fig 5 13 Cursor Menu I...
Страница 135: ...5 Menu 5 1 Menu structure 131 Fig 5 13 Cursor Menu II...
Страница 136: ...5 Menu 5 1 Menu structure 132 Fig 5 15Marker Menu III...
Страница 137: ...5 Menu 5 1 Menu structure 133 5 1 8 Analysis Fig 5 16 Analysis Menu I...
Страница 138: ...5 Menu 5 1 Menu structure 134 Fig 5 17 Analysis Menu II...
Страница 139: ...5 Menu 5 1 Menu structure 135 Fig 5 18 Analysis Menu III...
Страница 140: ...5 Menu 5 1 Menu structure 136 5 1 9 System Fig 5 19 System Menu I...
Страница 141: ...5 Menu 5 1 Menu structure 137 Fig 5 20 System Menu I...
Страница 254: ...8 Basis of Network Measurement 8 3 Amplifier Parameter Specifications 250...
Страница 257: ...8 Basis of Network Measurement 8 4 Complex Impedance 253...
Страница 366: ...Appendix Appendix 3 Frequency Offset Measurement 362 Fig 3 13 Test of Return Loss of Mixer LO Port...
Страница 373: ...Appendix Appendix 4 Pulse Measurement 369 Fig 4 9 Receiver gain configuration Dialog Box...