Keywords track irregularity;track spectrum;general track spectrum;fitting track spectrum;track irregularity prediction;integrating factor method;time-frequency analysis;wavelet;HHT;synthesized assess;

• 轨道不平顺;轨道谱;通用轨道谱;拟合轨道谱;时频分忻;小波;HHT;轨道不平顺预测;综合因子法;综合评定;