A Digital GPS Multipath Platform Based on FPGA

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A Digital GPS Multipath Platform Based on FPGA

更新时间：2026-09-04

- A Digital GPS Multipath Platform Based on FPGA
- Vol. 27, Issue 7, Pages: 250-252(2010)
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- Published：2010
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基于FPGA的数字GPS多径实验平台[J]. 微电子学与计算机, 2010, 27(7): 250-252.

A Digital GPS Multipath Platform Based on FPGA[J]. 2010, 27(7): 250-252.
基于FPGA的数字GPS多径实验平台[J]. 微电子学与计算机, 2010, 27(7): 250-252. DOI：

A Digital GPS Multipath Platform Based on FPGA[J]. 2010, 27(7): 250-252. DOI：

摘要

多径问题是影响GPS信号接收的主要干扰问题.通过研究GPS接收机的基本原理和实现方式

利用Xilinx公司的xc3s1000型号FPGA

设计一个仿真实验平台.针对多径处理的需要

使用Verilog HDL语言设计了运用反馈移位寄存器产生的C/A码序列及起始位置脉冲

移相、衰减、混合、AGC(自动增益控制)模块和码环积分相关器

解决了几个关键技术与问题

实现了数据的传送与存储.

Abstract

Multipath has a great influence on GPS receiver. The principle and realization of GPS receiver are researched. A GPS Multipath Platform is designed with the use of FPGA develop board of xc3s1000. To meet the requirement of Multipath

Verilog HDL language is used to design feedback shift register which generates C/A code and starting pulse. There are five modules including phase shifting

attenuation

add module and code loop integral correlator

which solves some key techonologies and problems and realizes store

transfer of the data.

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