关键词: 仪器仪表技术 , 弹丸 , 引信 , 光学杠杆 , 姿态测试 , 小波分析 , 傅立叶变换

Abstract: During launch process, projectile swings violently in bore and generates great transverse ac?celeration that may reach up to two times of the axial acceleration. Due to the shade of barrel, it is hard to detect the movement of the projectile in bore. A union test system for the attitude and axial movement of the projectile in bore was presented. The experiment was carried out successfully. The spectrum and the time-frequency were analyzed by Fourier transform and wavelet analysis. The test method and analysis tools were provided for the design and iailure analysis of fuzes.

Key words: instrument and meter , projectile , fuze , optical lever , attitude test , wavelet analysis , Fourier transform