Electrically large highly-efficient luneberg lens antenna with the smallest layering number
A technology of Lunberg lens antenna and electric large size, which is applied to antennas, electrical components, etc., can solve the problems that the firmness of each dielectric sheet needs to be studied, the processing is difficult, and the processing is difficult, so as to avoid the deterioration and reduction of the radiation characteristics of the lens. Difficulty and cost of production, small air gap between layers
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[0023] figure 1 with figure 2 It exemplarily describes an electrically large-sized high-efficiency Lunberg lens antenna design device with the least number of layers. According to the illustration, the device mainly includes a hemispherical Lunberg lens antenna, a high-efficiency Ku / Ka feed, a metal reflector and a 1 / 4 curved double guide rail that can slide.
[0024] The hemispherical Lunberg lens 1 is composed of a polytetrafluoroethylene spherical shell and a polyethylene inner core. Such as image 3 As shown, the polytetrafluoroethylene spherical shell is made of four polytetrafluoroethylene thin plates 11, 12, 13 and 14 with the same density and the same dielectric constant, and then processed by a plastic precision numerical control turning and milling machine. The surfaces of thin plates 11, 12, 13 and 14 are bonded with DG-4 epoxy resin after ionization treatment with sodium naphthalene treatment agent. The polyethylene inner...
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