Coaxial cable and test method thereof

Coaxial cable and test method thereof

  • CN 101,029,922 B
  • Filed: 02/27/2007
  • Issued: 11/13/2013
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. concentric cable, wherein,-this concentric cable has at least one inner conductor (2,2 '"'"') and around the cable shield (3) of this at least one inner conductor (2,2 '"'"'),-be provided with a plurality of surperficial trappers (13) along this cable shield (3),-each surperficial trapper (13) has two ends (14,15),Upper and cable shield (3) is coupled at the tie point that is spaced apart from each other (16,17) of cable shield (3) in-described end (14,15),-can decay by the his-and-hers watches ground roll by means of described surperficial trapper (13), this surface wave can be energized out due to a high frequency pumping field with excitation frequency (fA) on cable shield (3),-exciting field and this at least one inner conductor (2,2 '"'"') can be shielded by means of this cable shield (3),-at least one in surperficial trapper (13) sets testing circuit (22),-can produce measuring-signal (M) for the load that characterizes each the surperficial trapper (13) that causes due to exciting field by this testing circuit (22),-this measuring-signal (M) can measured and analysis.

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