On May 17, 2020, Li Chenghong, Xin Shaoming, Jiang Enming, and Chang Hua, the masters of our group, were successfully passing the master's degree defense.
         Under the guidance of Prof. Geng, they overcame many difficulties during the epidemic and successfully completed their master theses. Li Chenghong, Xin Shaoming, Jiang Enming, and Chang Hua's master thesis titles are "Low-frequency Signals Measurement Characteristics of Accelerometers and Its Combination with High-rate GNSS for Earthquake Monitoring", "Real-time GNSS/Accelerometer Fusion Algorithm and Its Application in Seismic Monitoring" "Precise Positioning by Integrating Android Built-in GNSS/IMU/Magnetometer sensors", "Tightly-coupled multi-GNSS relative positioning". After Prof. Niu Xiaoji, chairman of the Defense Committee, read out the results of their defenses, they gave their own speeches respectively, expressing their gratitude to Prof. Geng for his instructive teaching and the selfless help of other members of our group. The Pride research group would like to express congratulations to them who have successfully passed the master's degree defense and wish them a bright future!