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| 高速移动水声通信中的多普勒频移估计方法研究 | |
| 引用本文： | 岳玲,樊书宏,王明洲,钱建平. 高速移动水声通信中的多普勒频移估计方法研究[J]. 系统仿真学报, 2011, 23(11): 2366-2370 |
| 作者姓名： | 岳玲 樊书宏 王明洲 钱建平 |
| 作者单位： | 1. 西北工业大学航海学院,西安710072／中船重工第705研究所,西安710075 2. 中船重工第705研究所,西安,710075 3. 中国船舶重工集团公司,北京,100861 |
| 摘 要： | 在利用水声信号进行的水下移动通信中，多普勒频移估计与补偿是一项关键技术，它直接影响着高速移动通信的效果。在分析多普勒效应对水声通信信号影响的基础上， 利用具有多普勒不变特性的双曲调频信号和对多普勒频移敏感的单频脉冲信号，提出了一种适用于低信噪比条件下收发双方存在高速运动时的新型多普勒频移估计与补偿方法，该方法圊时具备接收信号捕获与同步的功能。通过仿真实验对该方法进行了验证，分析了该方法在不同信噪比和多普勒扩展条件下的多普勒频移估计性能。 |
| 关 键 词： | 高速移动水声通信 双曲调频 多普勒频移估计 傅里叶系数内插 |
Study on Doppler-shift Estimation for Underwater High-range-rate Acoustic Mobile Communications |
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| YUE Ling,,FAN Shu-hong,WANG Ming-zhou,QIAN Jian-ping. Study on Doppler-shift Estimation for Underwater High-range-rate Acoustic Mobile Communications[J]. Journal of System Simulation, 2011, 23(11): 2366-2370 | |
| Authors: | YUE Ling FAN Shu-hong WANG Ming-zhou QIAN Jian-ping |
| Affiliation: | YUE Ling1,2,FAN Shu-hong2,WANG Ming-zhou2,QIAN Jian-ping3(1.College of Marine Engineering,Northwestern Polytechnic University,Xi'an710072,China,2.The 705th Research Institute,China Shipbuilding Industry Corporation,Xi'an 710075,3.China Shipbuilding Industry Corporation,Beijing100861,China) |
| Abstract: | The doppler-shift estimation and compensation is one of the key techniques in underwater acoustic mobile communications,because the result of the doppler-shift estimation and compensation has direct influence on the high-range-rate acoustic mobile communication effect.On the ground of the analysis of doppler effect to underwater high-range-rate acoustic mobile communication signals,a novel doppler-shift estimation method was proposed which is suitable for high-range-rate acoustic communication between rapid... |
| Keywords: | high-range-rate acoustic mobile communication hyperbolic frequency modulation doppler-shift estimation fourier coefficients interpolation |
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