KR100849702B1 - 원편파 유전체 혼 파라볼라 안테나 - Google Patents
원편파 유전체 혼 파라볼라 안테나 Download PDFInfo
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- KR100849702B1 KR100849702B1 KR1020060094376A KR20060094376A KR100849702B1 KR 100849702 B1 KR100849702 B1 KR 100849702B1 KR 1020060094376 A KR1020060094376 A KR 1020060094376A KR 20060094376 A KR20060094376 A KR 20060094376A KR 100849702 B1 KR100849702 B1 KR 100849702B1
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- Prior art keywords
- circular waveguide
- horn
- dielectric
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- reflection plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/0241—Waveguide horns radiating a circularly polarised wave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
Abstract
Description
Claims (4)
- 전기도체로 된 파라볼라형 주반사판;상기 주반사판의 중앙 전면에 부착된 원형 도파관형 피드 혼;상기 원형 도파관형 피드 혼의 개구에 유전체 봉으로 혼복사기와 연결된 접시형 부반사판; 및상기 주반사판의 후면에 원형도파관과 연결되어 송신시에는 직선편파를 원편파로 변환하고 수신시에는 원편파를 직선편파로 변환하는 폴라라이저를 구비한 것을 특징으로 하는 원편파 유전체 혼 파라볼라 안테나.
- 제1항에 있어서, 상기 주반사판은다수개의 세그먼트로 분리결합되어분해 조립이 용이하여 휴대가 가능하도록 된 것을 특징으로 하는 원편파 유전체 혼 파라볼라 안테나.
- 제1항 혹은 제2항에 있어서, 상기 원형 도파관형 피드 혼은원형도파관-반사판 체결 후렌지에 의해 상기 주반사판의 중앙에 고정된 원형 도파관과, 상기 원형 도파관의 단부에 혼복사기-원형도파관 연결구에 의해 연결된 혼 복사기로 구성되고,상기 혼 복사기는 원형 도파관측에서 개구면으로 갈수록 점차 직경이 작아지게 되어 있는 것을 특징으로 하는 원편파 유전체 혼 파라볼라 안테나.
- 제1항 혹은 제2항에 있어서, 상기 부반사판은주반사판측이 오목한 부반사판 도체와, 상기 부반사판 도체의 오목면에 부착된 부반사판 유전체와, 상기 부반사판 유전체와 연결되고 상기 원형 도파관형 피드 혼의 개구에 삽입되어 부반사판을 지지하는 유전체 봉으로 구성되어 상기 유전체 봉의 유전율에 따라 상기 원형 도파관형 피드 혼의 직경을 줄일 수 있는 것을 특징으로 하는 원편파 유전체 혼 파라볼라 안테나.
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