汽车平顺性 ride of the automobile 路面谱 spectrum of road surface roughness 空间频率 spatial spectral density 59 空间频率谱 spatial spectral density ..
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Vibration response signals of vehicle are processed with wavelet analysis to reduce noise efficiently, and road surface roughness is analyzed by road response spectrum.
小波分析处理车辆振动响应信号，可有效降噪，通过路面反映谱分析路面不平度。
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