Power spectral density approximations of longitudinal road profiles

被引：139
作者：
Andrén, P [1 ]
机构：
[1] Swedish Natl Rd & Transport Res Inst, Dept Infrastruct Maintenance, SE-58195 Linkoping, Sweden
来源：
INTERNATIONAL JOURNAL OF VEHICLE DESIGN | 2006年 / 40卷 / 1-3期
关键词：
literature survey; longitudinal road profile; power spectrum density; spectral analysis; Swedish road network;
D O I：
10.1504/IJVD.2006.008450
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The power spectral density (PSD) representation of road profiles can be used both to assess the road roughness, and as an input to vehicle dynamics. The PSD is often approximated with a simple function, using only a few parameters. The present paper presents a literature survey of such PSD approximations, and tests four approximations on longitudinal road profile data from the entire Swedish state road network.
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页码：2 / 14
页数：13
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