| CBOC调制信号及其新型相关函数研究 |
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| 引用本文： | 宋叶波,陈佳品,李振波. CBOC调制信号及其新型相关函数研究[J]. 上海航天, 2011, 28(5): 55-58 |
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| 作者姓名： | 宋叶波 陈佳品 李振波 |
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| 作者单位： | 上海交通大学微纳科学技术研究院,上海,200240 |
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| 基金项目： | 国家863计划(2007AA04Z340); 教育部博士点基金(20060248057) |
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| 摘 要： | 介绍了复用二进制偏置载波（MBOC）信号的功率谱特性特点,用仿真方法讨论了复合二进制偏置载波（CBOC）信号时域表示及其功率谱密度、自相关函数和伪码跟踪性能,证明了CBOC信号的优越性。针对CBOC信号自相关函数多峰性,给出了一种CBOC信号新型相关函数的产生方法。
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| 关 键 词： | CBOC调制 功率谱密度 自相关函数 跟踪性能 多峰性 |
Research of CBOC Modulation and New Correlation Function |
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| SONG Ye-bo,CHEN Jia-pin,LI Zheng-bo. Research of CBOC Modulation and New Correlation Function[J]. Aerospace Shanghai, 2011, 28(5): 55-58 |
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| Authors: | SONG Ye-bo CHEN Jia-pin LI Zheng-bo |
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| Affiliation: | SONG Ye-bo,CHEN Jia-pin,LI Zheng-bo(Research Institute of Micro/Nano Science and Technology,Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | The power spectral characteristics of multiplexed binary offset carrier(MBOC) was introduced in this paper.The power spectral density,autocorrelation and tracking performance of composite binary offset carrier(CBOC) were discussed through the simulation.The advantages of CBOC was proved.A new correlation function was put forward to reduce the multiple side-peaks in CBOC autocorrelation. |
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| Keywords: | CBOC modulation Power spectral density Autocorrelation function Tracking performance Multiple side-peaks |
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