NEW FAST GPS CODE-ACQUISITION TECHNIQUE USING FFT

被引：163

作者：

VANNEE, DJR

COENEN, AJRM

机构：

[1] Telecommunications and Traffic-control Systems Group, Delft University of Technology, 2600 GA Delft

来源：

ELECTRONICS LETTERS | 1991年 / 27卷 / 02期

关键词：

CORRELATION; FAST FOURIER TRANSFORMS;

D O I：

10.1049/el:19910102

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new spread-spectrum code-acquisition technique for the navigation systems Navstar/GPS and Glonass is introduced. This technique uses the FFT to compute the correlation function, thereby eliminating the time-consuming code phase shift process. Comparisons with existing systems show a theoretical reduction in acquisition time of about 2000 times.

引用

页码：158 / 160

页数：3

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