摘要
Recently,the full scale rocket modal test of LM-7 has been completed in Tianjin,which was the last large test before its maiden flight.Lasting 121 days,the LM-7 modal test including 16 testing states has been conducted in Beijing and Tianjin by the Beijing Institute of Structural and Environmental Engineering(BISEE).The data acquired from the modal test and the theoretically calculated data is consistent.
Recently, the full scale rocket modal test of LM-7 has been completed in Tianjin, which was the last large test before its maiden flight. Lasting 121 days.