| 适用于水声信道的符号常数模算法研究与仿真 |
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| 引用本文： | 张艳萍,杨彦红,赵顺生.适用于水声信道的符号常数模算法研究与仿真[J].通信技术,2008,41(12). |
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| 作者姓名： | 张艳萍 杨彦红 赵顺生 |
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| 作者单位： | 南京信息工程大学,电子与信息上程学院,江苏,南京,210044 |
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| 基金项目： | 江苏省高校自然科学基础研究项目
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南京信息工程大学科研基金
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| 摘 要： | 引入符号算法可以提高CMA算法的收敛速度.对比研究了三种符号常数模算法(SR-CMA、SE-CMA、SS-CMA)与CMA算法在水声信道均衡中的收敛性能.水声信道仿真结果表明,SR-CMA算法,SE-CMA算法,SS-CMA算法的收敛速度快于CMA算法,SR-CMA算法的稳定性与CMA算法接近,其整体性能是三种符号常数模算法中最佳的,SS-CMA算法的计算量最小但其整体性能不佳,SE-CMA算法的整体性能比SR-CMA算法差,略优于SS-CMA算法.
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| 关 键 词： | 水声信道 盲均衡 符号算法 |
Signed Constant Modulus Blind Equalization Algorithms for Underwater Acoustic Channel |
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| ZHANG yan-Ping,YANG yan-hong,ZHAO shun-sheng.Signed Constant Modulus Blind Equalization Algorithms for Underwater Acoustic Channel[J].Communications Technology,2008,41(12). |
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| Authors: | ZHANG yan-Ping YANG yan-hong ZHAO shun-sheng |
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| Affiliation: | ZHANG yan-ping,YANG yan-hong,ZHAO shun-sheng (College of Electronic&Information Engineering,Nanjing University of Information Science&Technology,Nanjing Jiangsu 210044,China) |
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| Abstract: | The sign algorithm is able to improve CMA convergence speed.Convergence performances of three sign constant modulus algorithms and CMA for underwater equalization are analyzed by computer simulation.The Simulation result of underwater channel shows that the SR-CMA,SE-CMA and SS-CMA converge faster than CMA.The stability of SR-CMA approaches CMA,and the overall function of SR-CMA is optimum among the three kinds of signed constant modulus algorithms.SS-CMA has minimal calculation amounts but its overall func... |
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| Keywords: | Underwater Acoustic Channel Blind Equalization Signed Algorithm |
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