The generation of digital random time histories

"A method to generate digital random time histories is described. A random number sequence is shaped to give the desired spectral density curve. This finite set of numbers is then Inverse Fast Fourier Transformed (IFFT). The result is a pseudo random time history which has given spectral characteristics. An application of this technique is described."Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/24128/1/0000385.pd