[2] HUTCHINGS I M.Direct display of gas-gun projectile velocity[J].Rev.Sci.Instrum,1997,48(7):923-925.
[5] THORNHILL T F,REINHART W D,KONRAD C H,et al.Accurate velocity measurements of the two-stage light-gas gun projectile:SAND2000-2268C [R].New Mexico:Sandia National Laboratory,2000.