Design of Wireless Automatic Synchronization for the Low-Frequency Coded Ground Penetrating Radar

Low-frequency coded ground penetrating radar (GPR) with a pair of wire dipole antennas has some advantages for deep detection. Due to the large distance between the two antennas, the synchronization design is a major challenge of implementing the GPR system. This paper proposes a simple and stable w...

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Bibliographic Details
Published in:Journal of electrical and computer engineering 2015-01, Vol.2015 (2015), p.1-6
Main Authors: Yin, Hejun, Chen, Jie, Xu, Zhiwu, Ye, Shengbo, Zhang, Qunying, Xia, Zhenghuan, Fang, Guangyou
Format: Article
Language:English
Subjects:
Antennas
Automation
Clocks & watches
Design engineering
Ground penetrating radar
Intervals
Product introduction
Software reviews
Synchronism
Synchronization
Transmitters
Underground
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Summary:Low-frequency coded ground penetrating radar (GPR) with a pair of wire dipole antennas has some advantages for deep detection. Due to the large distance between the two antennas, the synchronization design is a major challenge of implementing the GPR system. This paper proposes a simple and stable wireless automatic synchronization method based on our developed GPR system, which does not need any synchronization chips or modules and reduces the cost of the hardware system. The transmitter omits the synchronization preamble and pseudorandom binary sequence (PRBS) at an appropriate time interval, while receiver automatically estimates the synchronization time and receives the returned signal from the underground targets. All the processes are performed in a single FPGA. The performance of the proposed synchronization method is validated with experiment.
ISSN:2090-0147
2090-0155
DOI:10.1155/2015/864153