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- W2802976193 abstract "A novel circularly polarized (CP) beam-steering four-arm curl antenna with four feed points is presented. The antenna provides steerable high-gain high-tilt right-handed CP (RHCP) beams for satellite communications. The antenna operates over a test frequency band of 1500-1670 MHz and covers the entire L1 band. The four arms are arranged symmetrically with respect to the center of the antenna, and each arm is fed by a coaxial line. When one of the four feed points is excited and the remaining feed points are either open-circuited or terminated to 50 Ω impedance, the antenna generates an RHCP tilted beam of 49° in the elevation plane. At a test frequency of 1575 MHz, the antenna provides a gain of 8.12 dBic. The antenna can switch the tilted beam in the four different space quadrants in the azimuth plane by exciting one feed point at a time. It is found that over the test band, the antenna provides a total efficiency of more than 89% and a gain of greater than 8 dBic." @default.
- W2802976193 created "2018-05-17" @default.
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- W2802976193 date "2018-06-01" @default.
- W2802976193 modified "2023-10-16" @default.
- W2802976193 title "A Four-Arm Circularly Polarized High-Gain High-Tilt Beam Curl Antenna for Beam Steering Applications" @default.
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- W2802976193 doi "https://doi.org/10.1109/lawp.2018.2830121" @default.
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