| 1. | Acoustic position reference system
声定位参照系 |
| 2. | Acoustic position indicator
水声定位仪 |
| 3. | This scheme constructs an underwater positioning system based on the combination of dgps and acoustical positioning
该方案构建了由dgps定位和水声定位相结合的水下定位系统。 |
| 4. | The application of the ultra - short baseline theory to detect and localization of the mine is mainly researched in this dissertation
本论文主要研究将超短基线被动声定位理论实际的应用到水雷的被动目标探测与定位上。 |
| 5. | Based on the basic theory of the passive and the shape character of the mine , the four cell square lineup is choosed to be researched
论文从被动声定位的基本理论出发，根据水雷的具体外形特点，选取四元方阵作为研究对象。 |
| 6. | A method has been developed to calibrate the positions of the transducer and the transponder in the ultra - short baseline acoustic position system ( usbl )
摘要提出了超短基线水声定位系统( usbl )的校准方法，并用模拟数据进行了验证。 |
| 7. | Surely , the inertial navigation has high precision , but it is also costly . acoustic tracking location is not a good way for voyage a long distance
惯性导航系统精度高，但设备昂贵，水声定位系统不适合机器人长航时的导航定位。 |
| 8. | Usually , there are three available accesses for location underwater , inertial navigation , dead reckoning navigation , acoustic tracking location
从目前来看，应用于水下导航的方法主要有：惯性导航、船位推算导航、水声定位系统等方法。 |
| 9. | 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。 |
| 10. | These differences were analyzed to show that the echolocation calls will change greatly so as to adapt to the different flying style , foraging behavior and habitats of bats . 3
蝙蝠不同状态下回声定位声波存在差异的分析说明，蝙蝠的回声定位声波能够产生较大的变异，其意义在于适应其不同的飞行方式、捕食策略和栖息环境以及捕食猎物的体型大小。 |
