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Remote Commands Reference
R&S
®
RTC1000
238User Manual 1335.7352.02 ─ 04
CALCulate:MATH<m>:FFT:CFRequency.......................................................................... 240
CALCulate:MATH<m>:FFT:FULLspan.............................................................................. 241
CALCulate:MATH<m>:FFT:SPAN.................................................................................... 241
CALCulate:MATH<m>:FFT:STARt....................................................................................241
CALCulate:MATH<m>:FFT:STOP.................................................................................... 241
CALCulate:MATH<m>:FFT:TIME:RANGe......................................................................... 241
CALCulate:MATH<m>:FFT:TIME:POSition....................................................................... 242
CALCulate:MATH<m>:FFT:SRATe?................................................................................. 242
CALCulate:MATH<m>:ARIThmetics <Arithmetics>
Defines the mode for FFT calculation and display.
Parameters:
<Arithmetics> OFF | ENVelope | AVERage
OFF
The FFT is performed without any additional weighting or post-
proces sing of the acquired data. The new input data is acquired
and displayed, and thus overwrites the previously saved and dis-
played data.
ENVelope
In addition to the normal spectrum, the maximal oscillations are
saved separately and updated for each new spectrum. The max-
imum values are displayed together with the newly acquired val-
ues and form an envelope. This envelope indicates the range of
all FFT trace values that occurred.
AVERage
The average of several spectrums is calculated. The number of
spectrums used for the averaging is defined using the com-
mand. This mode is useful for noise rejection.
*RST: OFF
CALCulate:MATH<m>:FFT:WINDow:TYPE <WindowType>
Window functions are multiplied with the input values and thus can improve the FFT
display.
FFT
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