In order to meet the required precision and reliability for the globe positioning system (GPS), a dual-band circularly polarized (CP) antenna is needed.

 
  • 為了滿(mǎn)足GPS定位準確性和可靠性的需要,要求天線(xiàn)在GPS兩個(gè)頻率上實(shí)現圓極化。
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