the track spectra of qinhuandao-shenyang(qs) passenger railway line and german railways were compared in terms of power spectrum density(psd), amplitude of time domain samples and dynamic performance.
从轨道谱的功率谱密度、时间样本幅值及对动力学性能影响的角度,对比了秦沈线轨道谱和德国轨道谱。
beijing-guangzhou railway and the ongoing construction of wuhan-guangzhou passenger railway line passing through the northeast county.