Phasor plots of the fluorescence intensity decay (plots of the Fourier sine transform vs the Fourier cosine transform, for one or several angular frequencies) are being increasingly used, namely, in ...

FFT is the abbreviation of Fast Fourier transform in the digital domain. The FFT is a very important function that aids with signal debugging. It can be used to investigate how pure an output sine ...

Fourier transform of a pure square-wave results in its fundamental frequency and its odd harmonics (third, fifth, seventh, and so on), such that they have, respectively, amplitudes of one-third, ...

In machine learning or deep learning, the models are designed in such a way that they follow a mathematical function. From data analysis to predictive modelling there is always some mathematics behind ...

I’m more curious how to do that in e.g. small MCU. Especially without floats, etc. Sure, it’s nice to throw full blown abstract formulaes, full of floating points, sin/cos computing and somesuch.

In this paper, we will discuss the basic issues of the FFT methods for contact analyses from the convolution theorems and the tree of the Fourier-transform algorithms for solving different contact ...

Due to the orthogonality of the sine and cosine functions, the Fourier coefficients are readily obtained with the result. ... Fan, G.-X. (2004) Fast Fourier Transform for Discontinuous Functions. IEEE ...