EDN

FFT function versus vector-signal-analysis software on a scope

I’m out traveling this week, so my good buddy Darren McCarthy, an RF guru here at Tektronix, is going to fill in for me. My university math teacher always told me (in a thick Russian accent) that when ...
Electronic Design

Choose The Right FFT Window Function When Evaluating Precision ADCs

When evaluating the dynamic performance of precision analog-to-digital converters (ADCs) using fast Fourier transform (FFT) analysis, coherent sampling typically is used to accurately measure the ...
EDN

Using the FFT Function of Oscilloscope

This video shows how to use the FFT function of RIGOL oscilloscopes. The FFT function allows the user to measure the frequency and time domain of the signal waveform, at the same time. In this ...
Electronic Design

Scope FFT and waveform math functions take on RF measurements

In the process of debugging and validating both digital and RF designs, the oscilloscope Fast Fourier Transform (FFT) function and a variety of other math functions can prove valuable to designers ...
Simon Fraser University

FFT Function

where x is a 1 ×n or n ×1 numeric vector. The FFT function returns the cosine and sine coefficients for the expansion of a vector into a sum of cosine and sine functions.