| 引用本文: | 陈建云,王跃科,刘辉.基于CZT算法的水声扩频多普勒匹配方法.[J].国防科技大学学报,2003,25(1):65-67.[点击复制] |
| CHEN Jianyun,WANG Yueke,LIU Hui.A Doppler Matched Method of High Resolution Auto-guide Sonar System Based on CZT Algorithm[J].Journal of National University of Defense Technology,2003,25(1):65-67[点击复制] |
|
| |
|
|
| 本文已被：浏览 7042次 下载 5756次 |
| 基于CZT算法的水声扩频多普勒匹配方法 |
| 陈建云, 王跃科, 刘辉 |
|
(国防科技大学 机电工程与自动化学院，湖南 长沙 410073)
|
| 摘要: |
| 阐述了基于DS/SS(直接序列扩频)的高分辨率扩频自导声纳系统的一种多普勒匹配方法。通过理论分析和仿真计算，证明基于CZT多普勒频偏匹配算法可以在极低信噪比条件下有效估计多普勒频偏和目标速度。 |
| 关键词: 直接序列扩频 扩频自导声纳 CZT算法 |
| DOI： |
| 投稿日期：2002-08-28 |
| 基金项目: |
|
| A Doppler Matched Method of High Resolution Auto-guide Sonar System Based on CZT Algorithm |
| CHEN Jianyun, WANG Yueke, LIU Hui |
|
(College of Mechatronics Engineering and Automation, National Univ. of Defense Technology, Changsha 410073, China)
|
| Abstract: |
| A Doppler matched method of high resolution auto-guide sonar system is proposed. The algorithm presented and the aimulation results show that the algorithm can estimate Doppler frequency offset and the target speed in very low SNR condition. |
| Keywords: direct sequence spread spectrum spread spectrunm auto-navigation sonar CZT algorithm |
|
|
