| 一种归一化点积功率型伪码跟踪鉴相算法 |
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| 引用本文： | 程兰,陈杰,甘明刚. 一种归一化点积功率型伪码跟踪鉴相算法[J]. 北京理工大学学报, 2010, 30(12): 1427-1431 |
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| 作者姓名： | 程兰 陈杰 甘明刚 |
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| 作者单位： | 北京理工大学,自动化学院,北京,100081;复杂系统的智能控制与决策教育部重点实验室,北京,100081;北京理工大学,自动化学院,北京,100081;复杂系统的智能控制与决策教育部重点实验室,北京,100081;北京理工大学,自动化学院,北京,100081;复杂系统的智能控制与决策教育部重点实验室,北京,100081 |
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| 摘 要： | 具有点积功率型鉴相算法的非相干伪码跟踪环克服了增益不平衡的影响,但没有线性范围,不具有相干码环的优点,且跟踪速度比传统的码跟踪环低.为了解决这些问题,作者提出了一种非相干的归一化点积功率型鉴相算法.该算法采用非相干码环结构,而本质上是相干的,其既对载波的依赖程度不高又有较大的线性范围.仿真实验表明,采用新算法的码环具有较快的跟踪速度,在性能上优于已有的鉴相算法.
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| 关 键 词： | 码跟踪 增益不平衡 相干 非相干 鉴相算法 |
| 收稿时间： | 2009-09-13 |
A Normalization DOT Discriminator Algorithm for PN Code Tracking Loop |
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| CHENG Lan,CHEN Jie and GAN Ming-gang. A Normalization DOT Discriminator Algorithm for PN Code Tracking Loop[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2010, 30(12): 1427-1431 |
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| Authors: | CHENG Lan CHEN Jie GAN Ming-gang |
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| Affiliation: | CHENG Lan1,2,CHEN Jie1,GAN Ming-gang1,2(1.School of Automation,Beijing Institute of Technology,Beijing 100081,China,2.Key Laboratory of Complex System Intelligent Control and Decision,Ministry of Education,China) |
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| Abstract: | The noncoherent code tracking loop with DOT discriminator algorithm is insensitive to gain imbalance.However,it does not have the advantages of code tracking loop with coherent algorithm since its algorithm is nonlinear,and its tracking speed is lower than that of the traditional code tracking loop.In order to overcome these disadvantages,a noncoherent normalization DOT discriminator algorithm is proposed.The new algorithm uses the structure of noncoherent code tracking loop,whereas it is coherent in essenc... |
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| Keywords: | code tracking gain imbalance coherent noncoherent discriminator algorithm |
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