适用于低滚降系数成型脉冲的定时恢复方案
针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题，提出了基于绝对值非线性定时估计器的定时恢复方案，并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例，仿真指出当滚降系数在0．1～0．4之间时，绝对值非线性有显著的性能增益。并设计了相应的预滤波和后滤波结构，给出了仿真性能。...
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| Published in | 电子技术应用 Vol. 37; no. 8; pp. 117 - 119 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
清华大学电子工程系清华信息科学与技术国家实验室,北京,100084
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0258-7998 |
| DOI | 10.3969/j.issn.0258-7998.2011.08.038 |
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| Abstract | 针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题，提出了基于绝对值非线性定时估计器的定时恢复方案，并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例，仿真指出当滚降系数在0．1～0．4之间时，绝对值非线性有显著的性能增益。并设计了相应的预滤波和后滤波结构，给出了仿真性能。 |
|---|---|
| AbstractList | TN911.7; 针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题,提出了基于绝对值非线性定时估计器的定时恢复方案,并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例,仿真指出当滚降系数在0.1～0.4之间时,绝对值非线性有显著的性能增益.并设计了相应的预滤波和后滤波结构,给出了仿真性能. 针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题，提出了基于绝对值非线性定时估计器的定时恢复方案，并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例，仿真指出当滚降系数在0．1～0．4之间时，绝对值非线性有显著的性能增益。并设计了相应的预滤波和后滤波结构，给出了仿真性能。 |
| Author | 黄磊 许科 崔慧娟 唐昆 |
| AuthorAffiliation | 清华大学电子工程系清华信息科学与技术国家实验室,北京100084 |
| AuthorAffiliation_xml | – name: 清华大学电子工程系清华信息科学与技术国家实验室,北京,100084 |
| Author_FL | Xu Ke Huang Lei Cui Huijuan Tang Kun |
| Author_FL_xml | – sequence: 1 fullname: Huang Lei – sequence: 2 fullname: Xu Ke – sequence: 3 fullname: Cui Huijuan – sequence: 4 fullname: Tang Kun |
| Author_xml | – sequence: 1 fullname: 黄磊 许科 崔慧娟 唐昆 |
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| ClassificationCodes | TN911.7 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Symbol timing recovery scheme for low roll-off factor shaping pulse |
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| EndPage | 119 |
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| Keywords | NDA定时恢复 预滤波 绝对值非线性 后滤波 |
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| Notes | Huang Lei, Xu Ke, Cui Huijuan, Tang Kun （Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China） NDA timing recovery; absolute value nonlinear; prefilter; postfilter When the roll-off factor of shaping pulse is low, an improved timing recovery scheme is proposed. The proposed scheme is based on absolute nonlinear, prefilter and postfilter. Simulation and theoretical analysis show that it has a significant performance gain over traditional square timing recovery scheme when roll-off factor is between 0. 1 and 0.4. 11-2305/TN |
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| PublicationTitle | 电子技术应用 |
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| Publisher | 清华大学电子工程系清华信息科学与技术国家实验室,北京,100084 |
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| Snippet | 针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题，提出了基于绝对值非线性定时估计器的定时恢复方案，并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例，仿真指出当滚降系数在0．1～0．4之间时，绝对值非线性有显著的性能增益。并设计了相应的预滤波和后滤波结构，给出了仿真性能。 TN911.7; 针对低滚降系数成型脉冲条件下平方定时恢复算法性能下降的问题,提出了基于绝对值非线性定时估计器的定时恢复方案,并指出绝对值非线性是一类基于高阶统计量定时恢复算法的特例,仿真指出当滚降系数在0.1～0.4之间时,绝对值非线性有显著的性能增益.并设计了相应的预滤波和后滤波结构,给出了仿真性能. |
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| StartPage | 117 |
| SubjectTerms | NDA定时恢复 后滤波 绝对值非线性 预滤波 |
| Title | 适用于低滚降系数成型脉冲的定时恢复方案 |
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