| 1. | Study of intensity modulation - direct detection laser system for detection of sound vibration
强度调制直接探测型远距离激光声探测系统研究 |
| 2. | Of all the objects discrimination methods , the passive acoustic identification is a hot topic thoroughout the world
在所有目标识别方法中，被动声探测是一个热点。 |
| 3. | The intelligent mine will be the most important weapon to attack armed helicopters in the future war and passive acoustic detection is the key technology
智能雷弹是防御低空飞行的武装直升机的重要武器系统，被动声探测技术是其关键技术。 |
| 4. | With the progressive development of underwater acoustic detection and acoustic - guided weapons , more advanced requirements are imposed upon the acoustic properties of submarines
随着水声探测潜艇的手段和方法以及带有声制导的水下武器的不断完善，对潜艇的声学性能的要求越来越高。 |
| 5. | In order to satisfy the need of real time and accuracy of the passive acoustic localization , we use floating dsp as cpu for computing . a whole software system of the passive acoustics detection system has been worked out
为满足被动声定位的实时性和精确性的要求，本系统采用浮点dsp芯片作为计算用cpu ，完成了被动声探测系统的dsp软件设计。 |
| 6. | 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。 |
| 7. | 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 two type of acoustic localization algorithm , emphasizes the discussion of algorithm and presicion of space acoustic localization with sensors at different height in detail and compares them
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“十?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，对两种空间目标声定位算法进行了深入分析，重点讨论了空间高低阵定位算法，分析了定位精度。 |
| 8. | In order to satisfy the need of real time and accuracy of the passive acoustic localization technology , we use tms320c32 ( dsp ) which produced by ti company as computing cpu , ram & rom of dsp had been extended largely . a whole software system of the passive acoustics detection system has been worked out
为满足被动声定位技术的实时性和精确性的要求，本系统采用了ti公司的tms320c32浮点dsp芯片作为计算用cpu ，对dsp的存储区进行了扩展，完成了被动声探测系统的dsp软件设计。 |
