The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively , in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system , then found some models such as target echo signal , noise ( including background noise , target radiating noise , etc ) , ocean reverberation . according to them , simulate the array signal ; ( 3 ) the system structure , every function blocks composing are studied and founded thoroughly . then , discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts , which connected with torpedo ' s control part 本文所作的主要工作及研究成果主要有以下几个方面： ( 1 )对自导工作过程中的信号与信息处理的基本理论与方法进行了较为全面的研究，为建立一个较为完备的自导仿真系统提供了理论基础； ( 2 )讨论了自导系统工作过程中海洋信道对目标回波信号与目标辐射噪声信号等的影响，建立回波信号的数学模型、环境场中的噪声信号模型(包括海洋环境噪声、目标辐射噪声与鱼雷背景噪声等)与海洋混响模型，模拟产生了声自导系统基阵接收到的回波信号与噪声信号； ( 3 )深入研究并建立了自导仿真系统的总体框架，给出各个具体功能模块组成，讨论了声自导系统对信号的时域与空域处理，并结合仿真程序中阵列信号处理模块，给出固定多通道波束形成的仿真实现过程； ( 4 )根据系统的仿真模型与已建立的仿真流程图编制了通用鱼雷模拟器自导系统仿真软件，通过网络与控制系统相连，组成完整的鱼雷模拟器。
At the basis of designing underwater geomorphological measurement system concrete plan , this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system . this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array . it covers the basic situation , the study benefits , the classification and role , analyses the performance index , designs the performance parameter relating to themselves performance synthesis and sonar equation 论文在制定水下地貌测量系统技术方案的基础上，论述了该系统中的水深测量声纳系统和动态定位系统( dgps ) ，分析了水声换能器及基阵的性能指标，确定了换能器及基阵的主要性能参数。
By analyzing and studying the dynamic characteristic of the minehunting sonar array , the author points out that the minehunting sonar array posture control system is a non - linear and intense coupling dynamic system . according to characteristics of the common inertia matrix , the author testifies that the inertia matrix of the minehunting sonar array has many dynamic characteristics such as the limited boundary quality , the symmetry quality and the positive definite quality 对猎雷声纳基阵的动力学特性进行分析研究，指出了猎雷声纳基阵控制系统为非线性、强耦合的动力学系统；从一般的惯量矩阵特性入手，证明了猎雷声纳基阵的惯量矩阵具有有界性、对称性及正定性等动力学特性。
