一種適用于BOC(m,n)的無模糊捕獲算法

王劍; 戚涵天; 劉瑞華

doi:10.11999/JEIT171089

一種適用于BOC(m,n)的無模糊捕獲算法

doi: 10.11999/JEIT171089

(中國民航大學民航空管研究院天津 300300) ②(中國民航大學中歐航空工程師學院天津 300300) ③(中國民航大學電子信息與自動化學院天津 300300)

基金項目:

民航安全能力建設項目(AADSA0007)，國家重點研發(fā)計劃-地球觀測與導航重點專項(2016YFB0502400)

計量
- 文章訪問數(shù): 1297
- HTML全文瀏覽量: 139
- PDF下載量: 68
- 被引次數(shù): 0
出版歷程
- 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信號的研究主要集中在BOC(n,n)族類，對于不限制m和n取值的無模糊捕獲跟蹤算法研究較少。該文提出一種適用于BOC(m,n)的基于相關函數(shù)的無模糊捕獲算法，通過平移重構BOC信號自相關函數(shù)構造它的互補函數(shù)，再與原函數(shù)疊加以消除副相關峰。該算法在消除BOC調制帶來的副峰的同時，保留了單一的窄主峰，保持主峰寬度不變，利用BOC調制方式高精度易跟蹤的特點，解決了一般BOC信號捕獲和跟蹤過程中的模糊問題。仿真驗證了新算法的特性，并與其他的算法進行了比較分析。
- 無模糊捕獲算法 /
- 二進制偏移載波 /
- 合成互補相關函數(shù)
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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參考文獻(16)

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