Modified pseudo-noise code regeneration method

被引：0

作者：

Jin, Xiaojun ^{[1
]}

Jin, Zhonghe ^{[1
]}

Zhang, Chaojie ^{[1
]}

Jiang, Jianwen ^{[1
]}

Zheng, Yangming ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS | 2010年 / 21卷 / 03期

基金：

中国国家自然科学基金;

关键词：

regenerative pseudo-noise (PN) ranging; chip tracking loop; tracking error variance; code acquisition time;

D O I：

10.3969/j.issn.1004-4132.2010.03.004

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A modified pseudo-noise (PN) code regeneration method is proposed to improve the clock tracking accuracy without impairing the code acquisition time performance. Thus, the method can meet the requirement of high accuracy ranging measurements in short time periods demanded by radio-science missions. The tracking error variance is derived by linear analysis. For some existing PN codes, which can be acquired rapidly, the tracking error variance performance of the proposed method is about 2.6 dB better than that of the JPL scheme (originally proposed by Jet Propulsion Laboratory), and about 1.5 dB better than that of the traditional double loop scheme.

引用

页码：370 / 374

页数：5

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