Commands Listed in Alphabetical Order
"V";:MATH:HOR
IZONTAL:SCALE 4.0000E-6;POSITION 50.0000;UNITS
"s";:MATH:SPECTRAL:MAG DB;WINDOW HANNING;:MATH:LABEL“”
MATH[1]:DEFine
Sets or returns the current math function as a text string.
Dual math is defined if the string is of the form
<wfm> < operation> <wfm>,
where the <wfm>s are any combination of live channels or reference waveforms,
<operation> is any of +, -, o r *, and the MATH[1]:TYPe is DUAL.
FFT math is defined if the string is in the form
FFT(<wfm>), where <wfm> is any
live channel or reference waveform, and theMATH[1]:TYPe is FFT.
On the front panel, the D ual Wfm Math, and FFT menus contain controls that
allow building equivalent m ath expressions to those described above.
Group
Math
Syntax
MATH[1]:DEFine <QString>
MATH[1]:DEFine?
Related Commands
MATH[1]:TYPe
Arguments
<QString> quoted string argument is the mathematic al expression that defines
the waveform.
Table 2-39: Advanced Math expression elements
Expression Description
CH1–CH4, REF1, REF2 Specifies a waveform data source.
FFT( Executes a Fast Fourier Transform. The FFT
operator must be the fi rst (left-most) operator
in an expression. All these o perations must
end with a right parenthesis.
AMPlitude( , AREa( , BURst( , CARea(
Executes the selected measurement
operation on the waveform (active or
reference) that follows. All these operations
must end with a right parenthesis.
+,-,*
Executes an addition, subtraction, or
multiplication operation on the following
expression.
<, >, <=, >=, ==, ≠,||,&&
Executes relational and logical operations.
MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-179
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