Frequency Calibration System Design Based on FPGA

Shu Hai Wang; Shu Wang Chen; Jian Hui Liu

doi:10.4028/www.scientific.net/AMM.220-223.2833

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223Frequency Calibration System Design Based on FPGA

Frequency Calibration System Design Based on FPGA

Abstract:

With the deepening of human exploration of the entire physical world, the precision of time synchronization is more and more accurate in some special domains. This paper presents using the precise GPS(Global Positioning System) clock function, time synchronization system with high-precision FPGA technology and the method of the direct DDS (Direct Digital Synthesizer) achieving the frequency correction. Frequency calibration system is based on FPGA design of GPS precision timing, frequency calibration, short on time and in-depth analysis on performance of frequency standards. Through the combination of hardware and software, the system function is achieved by using of large-scale programmable logic devices. In terms of the realization of high precision to build satellite timing frequency calibration system, the frequency precision can reach ns level.

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

2833-2836

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.2833

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Online since:

November 2012

Authors:

Shu Hai Wang, Shu Wang Chen, Jian Hui Liu

Keywords:

Frequency-Calibration, GPS, Timing

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