Bulletin of the Polish Academy of Sciences: Technical Sciences
Hao Liu,
Yiying Zhang,
Zhengwei Xu
et al.
Abstract:This paper develops an automatic method to calculate the macrotexture depth of pavement roads, using the tire/road noise data collected by the two directional microphones mounted underneath a moving test vehicle. The directional microphones collect valid tire/road noise signal at the travel speed of 10-110 km/h, and the sampling frequency is 50 kHz. The tire/road noise signal carries significant amount of road surface information, such as macrotexture depth. Using bandpass filter, principal component analysis,… Show more
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