Agilent Technologies X Series Manual page 255

Preset
State Saved
Min
Max
Initial S/W Revision
Window Length
Sets the FFT window length. This value is only used if the length control is set to manual. This is an
advanced control that normally does not need to be changed.
The "points" is the number of points for IQ pairs. For example, if the Window Length is set to 10, it
means the window length is for 10 I and 10 Q points. Not 5 I and 5 Q points.
Key Path
Mode
Remote Command
Example
Notes
Dependencies
Preset
State Saved
Min
Max
Initial S/W Revision
FFT Length
Enables you to set the FFT length. This value is only used if the length control is set to manual. The
value must be greater than or equal to the window length value. Any amount greater than the window
length is implemented by zero padding. This is an advanced control that normally does not need to be
changed.
The "points" is the number of points for IQ pairs. For example, if the Window Length is set to 10, it
means the window length is for 10 I and 10 Q points. Not 5 I and 5 Q points.
Key Path
Mode
3.1
Saved in instrument state.
0.1
100
Prior to A.02.00
Meas Setup, Advanced, FFT Size
BASIC
[:SENSe]:SPECtrum:FFT:WINDow:LENGth <integer>
[:SENSe]:SPECtrum:FFT:WINDow:LENGth?
SPEC:FFT:WIND:LENG 100
SPEC:FFT:WIND:LENG?
You must be in the IQ Analyzer (Basic) mode to use this command. Use
INSTrument:SELect to set the mode.
Grayed out when Length Ctrl is set to Man.
1694
Saved in instrument state.
8
1048576
Prior to A.02.00
Meas Setup, Advanced, FFT Size
BASIC
Complex Spectrum Measurement
Meas Setup
255