VectorStar™ MS4640A Series Microwave Vector Network Analyzers : Averaging Menus : Averaging Menu Functions
 
Averaging Menu Functions
 
AVERAGING Menu
Menu Variants
Two variants of AVERAGING menus are available, determined by whether the sweep type is frequency- or power-based or is segment-based.
If a frequency/power-based sweep is used, the menu has seven (7) buttons.
If a segment-based sweep is used, the menu has two (2) buttons. For segment-based sweeps, Averaging, IFBW, and Power settings are made on a per-segment basis on the segment-based setup tableaus at the bottom of the screen.
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MAIN | Averaging | AVERAGING
 
AVERAGING Menu 
1. AVERAGING Menu – Frequency-Based and Power-Based Sweeps
2. AVERAGING Menu – Segmented-Based Sweeps
3. Averaging Factor Field Toolbar
4. IFBW Frequency Field Toolbar
5. Smoothing % (Smoothing Percentage) Field Toolbar
6. AVERAGING Menu – Example of frequency-/power-based sweeps menu with parameters set and Averaging OFF.
7. AVERAGING Menu – Example of frequency-/power-based sweeps menu with parameters set and results shown with Averaging ON. When set to ON, the Reset Avg Count and a similar display in the channel status bar counts up to the Averaging Factor value setting.
Averaging (Off/On)
Button only present for frequency-based and power-based sweeps. Not present for segment-based sweeps. Select toggles trace averaging off and on.
Averaging Factor
Button only present for frequency-based and power-based sweeps. Not present for segment-based sweeps. Select displays the Averaging Factor field toolbar.
Averaging Type (Per Point/Per Sweep)
Button only present for frequency-based and power-based sweeps. Not present for segment-based sweeps. Select toggles between averaging per point and averaging per sweep.
Reset Average Count
Button only present for frequency-based and power-based sweeps. Not present for segment-based sweeps.Read only display field. Counts up to the Averaging Factory value as the averaging session proceeds. Select resets the averaging count to 0 (zero), and the averaging session starts anew.
IFBW
Button only present for frequency-based and power-based sweeps. Not present for segment-based sweeps. Select displays the IFBW field toolbar for setting the Intermediate Frequency Bandwidth frequency. The toolbar allows discrete values of 1 Hz, 3 Hz, 10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz, 100 kHz, or 300 kHz.Units of GHz, MHz, kHz, or Hz can be selected.
Trace Smoothing (Off/On)
On a per-trace basis, toggles trace smoothing OFF and ON.
Smoothing
On a per-trace basis, select displays the Smoothing % field toolbar. The toolbar allows the user to set the percentage of trace smoothing in use. A display below the button field shows the number of points that are smoothed.