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2009•Journal of Chinese Inertial TechnologyRequires access

System design of embedded GPS digital receiver based on FPGA+DSP

Zhiwei Xu

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Abstract

The paper presents an embedded GPS receiver system based on FPGA+DSP(field-programmable gate arrays+digital signal processors).The GPS signal received by antenna is changed to intermediate frequency and sampled by A/D.Then FPGA,which can process data in parallel and be programmed flexibly,is used in the design of correlation and user interface.DSP is designed to process signal and resolve the navigation data at high speed.System test show that this receiver has the characteristics of low power,small bulk,high integration and stable performance.

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What this paper is about

The paper presents an embedded GPS receiver system based on FPGA+DSP(field-programmable gate arrays+digital signal processors).The GPS signal received by antenna is changed to intermediate frequency and sampled by A/D.Then FPGA,which can process data in parallel and be programmed flexibly,is used in the design of correlation and user interface.DSP is designed to process signal and resolve the navigation data at high speed.System test show that this receiver has the characteristics of low power,small bulk,high integration and stable performance.

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Available abstract

The paper presents an embedded GPS receiver system based on FPGA+DSP(field-programmable gate arrays+digital signal processors).The GPS signal received by antenna is changed to intermediate frequency and sampled by A/D.Then FPGA,which can process data in parallel and be programmed flexibly,is used in the design of correlation and user interface.DSP is designed to process signal and resolve the navigation data at high speed.System test show that this receiver has the characteristics of low power,small bulk,high integration and stable performance.

Key concepts: Field-programmable gate array, Global Positioning System, Digital signal processing, Embedded system, Precision Lightweight GPS Receiver, Computer hardware, Digital signal processor, SIGNAL (programming language)

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