The mechanical behaviors of polytetrafluoroethylene(PTFE)in compressive test performed at different strain rates ranging from 102 s-1to103 s-1are studied.The expe
For study the energy output law of cylindrical charge with shell induced by different input energies,four different black powder masses were selected to ignite
The basic'current'statistical model and adaptive Kalman filter algorithm can not track a weakly maneuvering target precisely,though it has good estimate