一种弱相关非高斯信道下的伪码捕获方法

Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (7): 1568-1572.

一种弱相关非高斯信道下的伪码捕获方法

沈锋, 孙枫, 薛冰

哈尔滨工程大学自动化学院, 黑龙江, 哈尔滨, 150001

收稿日期:2008-08-26 修回日期:2009-01-12 出版日期:2009-07-20 发布日期:2010-01-03
作者简介:沈锋(1981- ),男,讲师,博士研究生,主要研究方向为信号检测,导航抗干扰技术.E-mail;sf407@126.com
基金资助:
国家自然科学基金资助课题(60704018)

Pseudonoise-code acquisition method in weakly dependent non-Gaussian impulsive channels

SHEN Feng, SUN Feng, XUE Bing

Coll. of Automation, Harbin Engineering Univ., Harbin 150001, China

Received:2008-08-26 Revised:2009-01-12 Online:2009-07-20 Published:2010-01-03

摘要/Abstract

摘要： 针对弱相关非高斯噪声环境提出了一种伪码捕获方法,将伪码捕获等价为假设检验问题,将弱相关非高斯噪声建模为一阶滑动平均SαS噪声模型,利用局部最佳检测算法推导出弱相关非高斯噪声环境下的伪码捕获检测统计量,得到弱相关噪声模型下伪码二维捕获结构及其简化形式,进行了性能仿真并与传统的伪码捕获方法对比。仿真结果表明该捕获方法在相关非高斯噪声环境下检测性能有较大幅度的提高。

中图分类号:

TN914.4

沈锋, 孙枫, 薛冰. 一种弱相关非高斯信道下的伪码捕获方法[J]. Journal of Systems Engineering and Electronics, 2009, 31(7): 1568-1572.

SHEN Feng, SUN Feng, XUE Bing. Pseudonoise-code acquisition method in weakly dependent non-Gaussian impulsive channels[J]. Journal of Systems Engineering and Electronics, 2009, 31(7): 1568-1572.

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