Handset terminal antenna for mobile satellite communication system
A technology for mobile satellite communication and terminal antennas, applied to antennas, devices that allow antennas to work in different bands at the same time, and structural forms of radiating elements. The effect of miniaturization
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] Such as figure 1 and Figure 4 As shown, a handheld terminal antenna for a mobile satellite communication system according to the present invention includes a quadrifilar helical antenna 1 , a circularly polarized network component 2 , a radio frequency connector 3 and an antenna case 4 . The dielectric cylinder 9 is surrounded by a flexible dielectric plate with a dielectric constant of 2.2 and a thickness of 0.127 mm.
[0025] The four-arm helical antenna 1 includes a first helical arm patch 5, a second helical arm patch 6, a third helical arm patch 7, a fourth helical arm patch 8 and a dielectric cylinder 9, the first to the second The four-helical arm patch is spirally printed on the outer wall of the dielectric cylinder 9, and the dielectric cylinder 9 is fixed on the circular polarization network component 2, and the ou...
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