战斗部破片的初速以及初速分布是武器总体计算引战配合和杀伤概率时的必需参数。动爆测量是获得战斗部破片初速及初速分布的重要手段之一。对战斗部动爆破片特性进行了分析，针对动爆测量中破片数量多、距离和速度分辨率因破片密集程度而随时间变化的情况，设计了一种复合伪码调相信号，详细给出了信号的设计思路。分析结果表明，该信号具有多分辨率的特性，满足了动爆测量中分辨率可变的要求，保证了破片在飞行过程中具有较好的速度———距离二维分辨能力。理论数据分析表明，该信号能够用于战斗部动爆破片测量对雷达可变分辨率的要求，研究结果对动爆测量技术和群目标分辨技术的发展具有重要意义。%The velocity and velocity distribution of warhead fragments are necessary parameters for calculating the overall coordination and kill probability of weapon.Dynamic test is one of the important techniques to acquire them.The characteristic of dynamic fragments of warhead was analyzed.The number of fragments is large,and the range and velocity vary with time because of the intensive degree of fragments.Aiming at this problem,a composite PN code continuous-wave-signal was designed to realize dynamic fragments test,and the design thought of signal was given in detail.The signal provides multi-resolution and has a good two-dimensional resolution with range and velocity.Theoretical data analysis indicates that the signal can meet the reqirments of variable resolution of measurement-radar for measuring warhead dynamic-fragments.The results are important for the development of the technology of dynamic burst measurement and technology of the group targets distinguish.
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