For overcoming complicated theory computation problem of harmonic wave components amplitude in Fourier transform of periodic signal
a method of Fourier transform of periodic signals based on genetic algorithm is presented.The basic principles of Fourier transform of periodic signals and genetic algorithm are introduced
The fitness function that periodic signals are decomposed based on genetic algorithm is given;computational method of harmonic wave components amplitudes is presented.The steps of periodic signals decompositions on the basis of genetic algorithm are given.The simulation experimental results show that the method can satisfy the need of Fourier transform of periodic signal.This method is simple and easy to implement for computers as compared with the theory computation method of periodic signals Fourier transform.