| 滤波多音调制水声通信方法研究 |
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| 引用本文： | 冉茂华,黄建国,韩晶.滤波多音调制水声通信方法研究[J].兵工学报,2011,32(4):452-458. |
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| 作者姓名： | 冉茂华 黄建国 韩晶 |
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| 作者单位： | (西北工业大学 航海学院, 陕西 西安 710072) |
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| 基金项目： | 国家自然科学基金资助项目，教育部高等学校博士学科点专项科研基金 |
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| 摘 要： | 针对正交频分复用调制(OFDM)在时变水声信道的影响下系统性能恶化的问题,将无线通信中一种新的多载波通信方法--滤波多音调制(FMT)引入到水声通信中,利用其子载波频谱的强约束性克服水声信道的时变环境引起的载波频偏,从而抑制系统的子载波间干扰(ICI);同时,在接收端采用基于信道估计的分数阶判决反馈均衡技术来有效补偿由...
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| 关 键 词： | 信息处理技术 水声通信 滤波多音调制 信道估计 均衡器 |
Research on Filtered Multi-tone Modulation Underwater Acoustic Communication |
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| RAN Mao-hua,HUANG Jian-guo,HAN Jing.Research on Filtered Multi-tone Modulation Underwater Acoustic Communication[J].Acta Armamentarii,2011,32(4):452-458. |
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| Authors: | RAN Mao-hua HUANG Jian-guo HAN Jing |
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| Affiliation: | (College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China) |
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| Abstract: | In the underwater acoustic OFDM communication,the channel variations may induce inter-carrier interference(ICI) and degrade the system performance significantly.In order to avoid this problem,a novel method named filtered multi-tone modulation(FMT) was introduced to the multi-carrier underwater acoustic communication.FMT can utilize its high spectrum containment to avoid ICI and the inter-symbol interference(ISI) can also be removed by using the fractional DFE equalization method based on the channel estima... |
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| Keywords: | information processing technique underwater acoustic communication filtered multi-tone modulation channel estimation equalizer |
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