Keysight InfiniiVision HD3 Series - Square; FFT Math Functions; FFT Magnitude, FFT Phase

88 Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide
5 Math Waveforms
See Also • "Units for Math Waveforms" on page 78
Square
The squared function calculates the square of the selected source, point by point,
and displays the result.
Use the Source 1 drop-down list to select the signal source.
See Also •
"Square Root" on page 87
FFT Math Functions
The FFT math functions let you display a Fast Fourier Transform (FFT) (magnitude
or phase) of an analog input channel or of the result of an arithmetic operation.
•
"FFT Magnitude, FFT Phase" on page 88
FFT Magnitude, FFT Phase
Using the Fast Fourier Transform (FFT), the FFT (Magnitude) math function displays
the magnitudes of the frequency content that makes up the source waveform, and
the FFT (Phase) math function shows the phase relationships of the frequency
content. The FFT takes the digitized time record of the specified source and
transforms it to the frequency domain.
Figure 15 Example of √ (Square Root)