水声目标辐射噪声的建模与仿真技术研究

Study of Modeling and Simulating Technology of Noise of Underwater Acoustic Objects

海洋环境与目标特征的复杂性深刻影响着声纳设备的使用性能,仿真是掌握声纳设备在多变的海洋环境能够达到的实际性能的重要手段。针对声纳设备使用性能分析的仿真包括海洋环境仿真、目标特性仿真和声纳装备仿真,其中目标辐射噪声信号的建模仿真是整个仿真过程中的重要组成部分。介绍的对目标辐射噪声信号的仿真建模方法可用于分析和研究声纳的被动探测能力,对声纳设备的操作使用与发展研究具有重要意义。

The complexities of ocean environment and objects＇ characters have deep influence on sonar＇s using performance.Simulation is an important method to understand the practical performance of sonar in inconstant ocean environment.The simulation used to analyze sonar＇s using performance includes ocean environment simulation,target character simulation and sonar simulation.The modeling and simulation of target radiated noise signals is an important part of entire simulation procedure.The modeling methods of object radiated noise signals introduced can be used to analyze and study sonar＇s inactive detecting ability.Theses methods are important to sonar＇s usage and development research.