The position system of the intelligent underwater twin vehicle is the miniaturized underwater position equipment , whose resiponlity is to give out the information of the utv and show the tracks of movment timely and correctly 水下双机器人定位系统是一套小型化的水声定位设备，主要的任务是能及时准确的给出水下双机器人的位置信息并能显示运动轨迹。
The affect of wind to the localization was discussed specially , upon which a new formula was deduced , and we have tested this new formula by use of computer simulation , which has given a satisfied result 重点讨论了风对于被动声定位所造成的影响，并在此基础上推导出了修正后的定位公式，并进行了计算机仿真计算，对修正前后进行了对比分析，得到了比较满意的结果。
The paper introduced the theory of passive acoustic localization and the algorithm of space acoustic localization . by use of combined acoustic path difference , the paper amended the passive acoustic localization formula and improved the accuracy of localization 本文介绍了被动声定位的原理及空间声定位的算法，推导出了被动声定位公式，并利用声程差组合改进了被动声定位公式，提高了定位的精度。
Acoustic positioning system has wide application in ocean scientific field . however , existing systems have disadvantages of bulkiness , perplexing operation , limited position range and low precision , resulting in their incompetence of satisfying many application needs 水声定位系统在海洋科学领域应用广泛，但原有系统大多或设备庞大、操作复杂，或定位范围小、精度低，很难真正下满足使用需求。
Therefore , 3d virtual sound technique is an important content in computer technology , video / audio technology and virtual reality technology , and it is also an important research field and a popular subject at present in acoustics simulation and humanized audio outputting technology 因此,虚拟声定位技术是当前计算机、视听技术及虚拟现实技术研究的一个重要内容,也是声学仿真的音频输出技术的一个重要研究领域和当前研究热点。
Firstly , the basic theory of the ultra - short baseline system is dissertated . and then , several typical localization model of four cell lineup is analyzed and investigated thoroughly . a optimal localization model is educed by contrasting performance and analyzing precision 首先论述了现有超短基线被动声定位系统的基本理论，紧接着深入研究了几种典型的四元方阵的定位模型，通过性能对比、精度分析，讨论得出了最优的定位模型。
At last but not the least , the software and the hardware of the passive acoustic localization dsp system is dissertated emphatically , including the choice of chip , design of the circuit debugging of the hardware , design of the software and the realization of arithmetic 最后，论文重点论述了基于dsp的被动声定位硬件系统的设计与实现。包括整个系统的芯片选择、电路设计、硬件调试以及软件设计、算法实现，并验证了软硬件的正确性。
The psychoacoustics and physiology of human beings are the theoretical foundation of virtual sound location research . human ’ s auditory system structure and auditory characteristics are introduced in this paper . these are research foundation for this paper 人类听觉生理学和心理学是研究虚拟声定位技术的基础,本论文回顾了心理声学相关听觉系统以及听觉特性,包括音频定位因素的影响和哈斯效应,掩蔽效应等因素对多音叠加的影响,为本文奠定了研究基础。
This article develops a research on the underwater acoutics position technology with the short array - group and designs hardware of this system based on application background , which includes the receiver , controlling sub system and interface sub system and the wave ( data ) collecting sub system 本论文对短基线水声定位技术进行了研究并设计了基于工程应用背景下的硬件电路系统。主要包括：接收机分系统、控制及接口分机分系统和波形(数据)采集分系统。
The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war . passive acoustic detection technology is the key technology . with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine , this paper presents acoustic localization algorithm and discusses the affect of wind to the localization , then a method of how to correct the affect of wind has been studied , upon this a dsp software system has been designed 智能雷弹是防御超低空飞行的武装直升机的重要武器系统，而被动声探测技术是其关键技术，本文结合“九?五”国防预研项目“反直升机智能雷弹声复合引信技术”的研究，对空间目标声定位算法和风对被动声定位的影响及如何对这种影响进行修正进行了深入分析，并在此基础上设计了dsp软件系统。
