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�������պ����ѧѧ�� 2003, Vol. 29 Issue (9) :843-846    DOI:
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���׶�, ��־��, �߷�*
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Research on the method of simulating road roughness numerically
Liu Xiandong, Deng Zhidang, Gao Feng*
Dept. of Automobile Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� To obtain exact road roughness, a new method processing directly the given power spectral density was introduced. Considering the effect of the vehicle natural vibration frequency and velocity completely, the simulation and analysis were done on the ��C�� grade of road using this method. The results indicate that the power spectral density of the road roughness obtained is the same as the given.
Keywords�� power spectral density   road roughness   Fourier transform   sampling     
Received 2003-03-26;


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���׶�, ��־��, �߷�.��··�治ƽ�ȵ���ֵģ�ⷽ���о�[J]  �������պ����ѧѧ��, 2003,V29(9): 843-846
Liu Xiandong, Deng Zhidang, Gao Feng.Research on the method of simulating road roughness numerically[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(9): 843-846
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