东日本9.0级大地震激发的地球自由振荡时频分析
金大利,李瑞东,樊春艳,李金,王妍,符泽宇,赵建明,任佳
The Time Frequency Analysis of the Earth’s Free Oscillation Induced by the 
M9.0 Earthquake in East Japan Observed with the DZW Gravimeter
JIN Dali,LI Ruidong,FAN Chunyan,LI Jin,WANG Yan,FU Zeyu,ZHAO Jianming,REN Jia
大地测量与地球动力学 . 2015, (3): 529 -532 .  DOI: 10.14075/j.jgg.2015.03.039