Time and Phase Synchronization for Distributed Aperture Coherent Radar

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Abstract

As a new radar technology, the distributed aperture coherent radar is expected to be the next generation radar, which is easier to transport and less expensive than the traditional large aperture radar. However, the time synchronization and phase synchronization are key issues to be addressed for the distributed aperture coherent radar. In this paper, the error sources of time synchronization and phase synchronization are analyzed, and the
corresponding mathematical models are first derived. Then, the impact of synchronization errors on the coherent performance is simulated, and the accuracy of time and phase synchronization is presented based on the simulation results. Finally, the noncorrelation transmission scheme and the calibration scheme based on the wired transmission are proposed to realize the time and phase synchronization, respectively. Research of the
synchronization problem could be very helpful to realize the new radar technology of distributed aperture coherent radar.

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	Articles by authors
	Zeng Tao
	Yin Pi-lei
	Yang Xiao-peng
	Fan Hua-jian

Key words： Distributed aperture coherent radar Full coherent Synchronization Calibration

Received: 2012-12-21; Published: 2012-12-31

Cite this article:

Zeng Tao,Yin Pi-lei,Yang Xiao-peng et al. Time and Phase Synchronization for Distributed Aperture Coherent Radar[J]. JOURNAL OF RADARS, 2013, 2(1): 105-110.

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