| 题名 | 水下失事声信标快速定位系统研制 |
| 作者 | 陈子 |
| 学位类别 | 博士 |
| 答辩日期 | 2007-06-02 |
| 授予单位 | 中国科学院声学研究所 |
| 授予地点 | 声学研究所 |
| 关键词 | 失事声信标 GPS 长基线 距离模糊 |
| 其他题名 | Develop on the Underwater Fast-Positioning System for the Acoustic Distress Beacon |
| 学位专业 | 信号与信息处理 |
| 中文摘要 | 在人类认识和征服海洋的过程中，总会发生各种各样的事故和灾难，包括飞机海上失事和潜艇水下失事等。此时，需要对失事飞机或潜艇进行快速而有效的搜救，而对水下失事声信标进行快速而准确的定位则成为当务之急。本文针对失事声信标研制了水下快速定位系统。 第一，调研了水下GPS技术的工作方式，设计了以GPS浮标网络为基础的失事声信标水下定位系统的整体架构；第二，研究了水声长基线定位模型，并针对失事声信标定位系统重点研究了非同步长基线定位算法及其抗距离模糊解算，进行了Matlab仿真；第三，针对水下声系统设计了水声信号处理流程及其信号到达前沿的时间标定方案，并在DSP中将其实现；第四，设计了基于TDMA协议的无线通信链路及其硬件构成，并主要通过软件实现了该无线通信链路，使其能够有效而可靠的进行数据传输；第五，编制了定位系统显控软件，实现了目标位置的解算及其图形界面显示；第六，对显控软件和通信链路进行了联合调试，对DSP软件进行了水池测试，取得了一定的预期效果。 |
| 英文摘要 | In human’s process of understanding and conquest of the sea, there are always various accidents and disasters, which include aircraft crash at sea, submarine distress, etc. At this time, we have to make rapid and effective search and rescue for the crash aircraft and distress submarine, and the fast and accurate positioning of the underwater acoustic distress beacon has become a top priority. This paper developed the underwater fast-positioning system for the acoustic distress beacon. First, investigated the working of underwater GPS technology, based on GPS-buoy network, designed the framework of the underwater fast-positioning system for acoustic distress beacon; Second, studied the acoustic long-baseline positioning model, focused on the asynchronous long-baseline positioning algorithm and anti-distance-fuzzy solution, and simulated the algorithm in Matlab; Third, designed the acoustic signal processing flow and the measurement program of arrival time of acoustic signal, and implemented them in DSP; Fourth, based on TDMA agreement, designed the wireless communication links and its hardware structure, implemented the communication links primarily through software means, made it carry out effective and reliable data transmission; Fifth, developed the display-control software, implemented the calculation of the target location and its GUI display; Sixth, implemented the joint debugging of the display-control software and communication system, implemented the testing of DSP software in pool, achieved a certain degree of the desired results. |
| 语种 | 中文 |
| 公开日期 | 2011-05-07 |
| 页码 | 56 |
| 内容类型 | 学位论文 |
| 源URL | [http://159.226.59.140/handle/311008/238]  |
| 专题 | 声学研究所_声学所博硕士学位论文_1981-2009博硕士学位论文 |
| 推荐引用方式 GB/T 7714 | 陈子. 水下失事声信标快速定位系统研制[D]. 声学研究所. 中国科学院声学研究所. 2007. |
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