海洋混响自相关函数的估计

本文推导了一种主动声呐海洋混响自相关函数的精确计算方法，该方法分割散射空间为无穷多个独立散射元，通过建立各散射元声呐方程和散射空间积分等求出混响信号自相关函数的表达式，使收／发阵的运动、阵指向性、发射信号形式、散射体散射特性等均能在公式中得到充分体现，从而使声呐混响信号仿真更具有真实性和适用性，为声呐性能研究提供可靠依据。

The Estimation of the Oceanic Reverberation Autocorrelation Function

This paper derives an approach by which the oceanic reverberation-autocorrelation func-tion of an active sonar system be precisely calculated,In this approach,the sound scattering space isdevided into the unlimited number of independent scattering units,then,the reverberation autocorrela-tion function is obtained by the solution of the sonar equation to every scattering unit and the integra-tion over all the scattering space;Thus,those which result from platform speed,transmit/receivebeampatterns,pulse type,environment parameters etc,can be fully represented.The reverberationsignal simulated by this method is obviously very realistic and useful.