现代电子技术2016，Vol.39Issue(20)：8-11,4.DOI:10.16652/j.issn.1004-373x.2016.20.003
基于IFFT法的路面不平度时域模拟方法
Method for IFFT-based time-domain simulation of road roughness
摘要
Abstract
Currently,there are some problems in the time⁃domain simulation of road roughness,such as low simulation pre⁃cision. Therefore,IFFT(inverse fast Fourier transform)is used to do time⁃domain simulation of road roughness because it can reconstruct time⁃domain model of road accurately and simply. It has the characteristics of small computational amount,simple calculation,etc. The time⁃domain simulation of road roughness was performed on the basis of IFFT method. Five steps of the time⁃domain simulation of IFFT method were summarized. The time⁃domain simulation function based on the method was devel⁃oped with Matlab language. In comparison with the standard power spectral density curve,its match degree is high,which shows that the method is right and reliable,and also illustrates the rationality of the simulation parameter.关键词
路面不平度/IFFT/时域模拟/Matlab/功率谱密度Key words
road roughness/IFFT/time-domain simulation/Matlab/power spectral density分类
信息技术与安全科学引用本文复制引用
鲍家定,伍建伟,王瀚超,莫秋云..基于IFFT法的路面不平度时域模拟方法[J].现代电子技术,2016,39(20):8-11,4.基金项目
国家自然科学基金（51465010）；广西科学研究与技术开发计划（桂科攻1598007-31）；广西教育厅科研项目（KY2015YB102）；广西制造系统与先进制造技术重点实验室主任基金 （）
