Fourier transform

Previous article: 1. Fourier transform for confused engineers What is the Fourier transform, really? For some, it is the magic of seeing everything as waves. For others, it is like holding a prism in a beam of sunlight and seeing what it contains, a rainbow of colors. For some others, it is a tool to … Read more What is the Fourier transform?

If you are an engineer, you most likely encountered one of the following situations: Plot the power spectral density of a signal you have Find the dominant frequency/mode in a signal A journal paper stating, “It is obvious(?!) that this operation is straightforward to carry out in wave space”. I have been in many such … Read more Fourier transform for confused engineers