一种适用于BOC(m,n)的无模糊捕获算法

王剑; 戚涵天; 刘瑞华

doi:10.11999/JEIT171089

一种适用于BOC(m,n)的无模糊捕获算法

doi: 10.11999/JEIT171089

(中国民航大学民航空管研究院天津 300300) ②(中国民航大学中欧航空工程师学院天津 300300) ③(中国民航大学电子信息与自动化学院天津 300300)

基金项目:

民航安全能力建设项目(AADSA0007)，国家重点研发计划-地球观测与导航重点专项(2016YFB0502400)

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- 被引次数: 0
出版历程
- 收稿日期: 2017-11-20
- 修回日期: 2018-04-08
- 刊出日期: 2018-08-19

Unambiguous Acquisition Scheme for BOC(m,n) Signals

(Civil Aviation ATM Research Institute, Civil Aviation University of China, Tianjin 300300, China)

Funds:

The Civil Aviation Safety Capacity Building Project (AADSA0007), The National Key Research and Development Program of China-Key Points for Earth Observation and Navigation (2016YFB0502400)

摘要

摘要: BOC信号的研究主要集中在BOC(n,n)族类，对于不限制m和n取值的无模糊捕获跟踪算法研究较少。该文提出一种适用于BOC(m,n)的基于相关函数的无模糊捕获算法，通过平移重构BOC信号自相关函数构造它的互补函数，再与原函数叠加以消除副相关峰。该算法在消除BOC调制带来的副峰的同时，保留了单一的窄主峰，保持主峰宽度不变，利用BOC调制方式高精度易跟踪的特点，解决了一般BOC信号捕获和跟踪过程中的模糊问题。仿真验证了新算法的特性，并与其他的算法进行了比较分析。
- 无模糊捕获算法 /
- 二进制偏移载波 /
- 合成互补相关函数
Abstract: An unambiguous acquisition scheme for BOC (m,n) signals is proposed by constituting a Synthesis Supplemental Correlation Function (SSCF) according to their features. By applying the proposed scheme, side peaks are well eliminated and an unambiguous correlation function with a single narrow peak is obtained. It is confirmed that the proposed scheme is capable of acquiring BOC (m,n) signals. It is especially compared with the traditional BPSK-like method and the results show that the SSCF scheme performs much better in the acquisition success rate and peak-toaverage ratio despite the noise interference.
- Unambiguous acquisition /
- Binary Offset Carrier (BOC) /
- Synthesis Supplemental Correlation Function (SSCF)

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参考文献(16)

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