说明： 地震系统数据分析（加速度、位移、速度）输入信号的时域分析、输入信号时频变换、输出信号的时域分析、输出信号时频变换等 (Seismic data analysis system (acceleration, displacement, velocity) input signal in time domain analysis, the input signal time-frequency transform, the output signal of the time-domain analysis, the output signal, such as time-frequency transform)
