›› 2012, Vol. 25 ›› Issue (5): 20-.

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Simulation Analysis of Coupling Loss of Leaky Coaxial Cable with Eight-Shaped Slot

 LI Ming-Ru, HUANG Xiao-Yong, WEI Jing, YANG Ye   

  1. (1.School of Electronic Engineering,Xidian University,Xi'an 710071,China;
    2.Product Development Department,Xi'an XD Cable Co.,LTD,Xi'an 710082,China)
  • Online:2012-05-15 Published:2012-05-24

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Abstract:

Leaky coaxial cable is widely used in confined areas such as subways,tunnels,underground malls,mines and other buildings in blind zones.It requires different electrical properties due to different applications.Therefore,analyzing factors that affect the leaky coaxial cable coupling loss and other electrical properties,and exploring their variation rules,have important application value in engineering.The rules of coupling loss varying with the angle,length and pitch of eight-shaped slots are simulated and analyzed.A method for adjusting the slot pitch is proposed with changing the distance of the adjacent eight-shaped slot pairs,while unchanging the geometrical structure parameters of a single eight-shaped slot pair.An actual calculation example using this method is given subsequently,and simulation results are consistent with the experimental results.

Key words: wireless communication;leaky coaxial cable;eight-shaped slot;coupling loss

CLC Number: 

  • TN913.31

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