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Vortex Channel Modelling for the Radio Vortex System 被引量:1
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作者 Qibiao Zhu Tao Jiang 《China Communications》 SCIE CSCD 2018年第4期121-129,共9页
In this paper, a free-space vortex channel model of the radio vortex system is proposed to describe the propagation characteristics of vortex signals over the vortex channel. The key idea is to combine the Laguerre-Ga... In this paper, a free-space vortex channel model of the radio vortex system is proposed to describe the propagation characteristics of vortex signals over the vortex channel. The key idea is to combine the Laguerre-Gaussian(LG) modes in the optical field with the free-space propagation model in the radio field. The proposed free-space vortex channel model is derived from the electric field expression of the LG modes and the freespace channel transfer function of the freespace propagation model theoretically. Simulation results verify that the proposed model could reflect the vortex channel characteristics better than the currently used free-space propagation model. 展开更多
关键词 vortex channel model radiovortex FREE-SPACE laguerre-gaussian modes channel transfer function
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