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Chapter 2 Command System RIGOL
DSA800 Programming Guide 2-57
:FETCh:HARMonics:AMPLitude:ALL?
Syntax
:FETCh:HARMonics:AMPLitude:ALL?
Description
Query the amplitudes of the first 10 harmonics and the first harmonic is the fundamental waveform.
Explanation
This command is only available when the harmonic distortion measurement is enabled.
The amplitude unit of the return values is the same with the current Y-axis unit.
This command will select data from the latest measurement results and transmit the data to the output
buffer.
Return Format
The query returns the amplitudes of the first 10 harmonics in scientific notation (separated by commas).
If the number of harmonics under measurement is less than 10, the harmonics that are not measured do
not have return values.
Example
The query below returns
-1.692102E+01,-6.458423E+01,-7.509421E+01,-7.924328E+01,-7.847027E+01,-7.885457E+01,-7.8823
58E+01,-7.921457E+01,-7.923057E+01,-7.915358E+01.
:FETCh:HARMonics:AMPLitude:ALL?
:FETCh:HARMonics:AMPLitude? <n>
Syntax
:FETCh:HARMonics:AMPLitude? <n>
Description
Query the amplitude of the specified harmonic.
Parameter
Name
Type
Range
Default
<n> Integer 1 to 10 --
Explanation
This command is only available when the harmonic distortion measurement is enabled.
The amplitude unit of the return value is the same with the current Y-axis unit.
The query returns --- when the harmonic read does not have data.
This command will select data from the latest measurement results and transmit the data to the output
buffer.
Return Format
The query returns the amplitude of the specified harmonic in scientific notation.
Example
The query below returns -1.692102E+01.
:FETCh:HARMonics:AMPLitude? 1
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