水下目标多亮点回波仿真及应用研究

水下目标回波的亮点结构是重要的目标特征,因此,水下目标亮点特征的提取也是主动探测系统进行目标识别与跟踪的主要内容.该文研究了水下目标亮点的结构模型及亮点回波信号模型,重点分析了窄带系统中目标亮点回波信号的幅度、时延、频移以及相位的仿真计算方法.配合波束形成、参数估计及弹道逻辑,实现了对水下目标进行动态跟踪的仿真弹道,并给出了仿真实例.该仿真方法已经在水下武器仿真系统中得到了很好的应用,具有重要的使用价值.

Simulation and Application of Underwater Target echo Based on Highlight Model

Underwater target echo highlight structure is an important performance of target.It is an important research content of active sonar in target feature recognition and tracking.Echo highlight structure model and echo highlight signal model are studied in this paper,especially the computing methods of echo highlight signal's amplitude,time delay,Doppler shift,and phase.With the simulation methods of beamforming,parameter estimation,and track logic,an automatic track trajectory is realized.And a simulation example is provided in the paper.The method is applied to the underwater weapon simulation system,which has an important application value.