29
3-5-9. :MATH:FFT:WINDow
Set
Query
Description
Sets the windowing filter used for the FFT function.
Syntax
:MATH:FFT:WINDow
{RECTangular|HAMming|HANning|BLAckman|?}
Parameter
RECTangular Rectangular window
HAMming
Hamming window
HANning
Hanning window
BLAckman
Blackman window
Return parameter Returns the FFT window.
Example
:MATH:FFT:WINDow HAMming
Sets the FFT window filter to hamming.
3-5-10. :MATH:FFT:POSition
Set
Query
Description
Sets the vertical position of the displayed FFT result.
Syntax
MATH:FFT:POSition { <NRf> | ? }
Parameter
<NRf>
Vertical position: -12e+0 to +12e+0
(12 units/division to +12 units/division.)
Return parameter <NR3>
Returns the vertical position.
Example
:MATH:FFT:POSition -2e-1
Sets the FFT position to -0.2 divisions.
3-5-11. :MATH:FFT:SCALe
Set
Query
Description
Sets the vertical scale of the displayed FFT result.
Syntax
:MATH:FFT:SCALe {<NRf> | ?}
Parameter
<NRf>
Vertical scale:
Linear: 2e-3 to 1e+ (32mV~1kV)
dB: 1e+0 to 2e+1 (1~20dB)
Return parameter <NR3>
Returns vertical scale.
Example
:MATH:FFT:SCAle 1.0e+0
Sets the scale to 1dB.