Simulation of super-Gaussian random vibration signal for railway transportation environment

During the railway transport,the vibration and shock are often in super-Gaussian distribution.To simulate this super-Gaussian signal,it puts forward a generation method of super-Gaussian random signal with spiky characteristic on the basis of Fourier transform.An exponential peak model is adopted to simulate super-Gaussian properties of the vibration signal,Finally a super-Gaussian random signal which has the same mean,RMS,skewness and kurtosis with the measured signal are obtained.The technology will simulate the vibration and shock signal of the railway transportation environment,which can provide a theoretical basis for the laboratory reliability tests.