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Coupler Integrated Microstrip Patch Linear Phased Array for Self-Calibration
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DOI：10.1109/LAWP.2020.3011862.png)
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摘要
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In this letter, a coupler integrated microstrip patch linear phased array is proposed as a new self-calibration system. The proposed coupler placed along the edge of the microstrip patch antenna is weakly coupled to the antenna array. This allows self-calibration without affecting the radiation performance of the antenna array. A 1 x 4 coupler integrated patch linear phased array and a beamformer operating at 5.8 GHz were implemented to verify the new self-calibration system. The measurement result using the self-calibration is very close to the result with a vector network analyzer (VNA). The coupler integrated patch linear phased array proposed as a new self-calibration system has 0.22 dB root-mean-square error (RMSE) magnitude and 1.2 degrees RMSE phase. The calibration method using a proposed antenna array is expected to on-site calibration.
Keyword:
Active antenna system
coupler integrated microstrip patch
linear phased array antenna
self-calibration
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4.8
论文数:
1.0W
被引数:
2.8W
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