A Novel Space Fed Amplitude and Phase Calibration Method for W-band Phased Array Antenna

被引：0
|
作者：
Jiang, Lizhong [1 ,2 ]
Huang, Yong [1 ,2 ]
Jiao, Meijing [2 ]
Zou, Bo [2 ]
Tan, Shanshan [2 ]
Li, Chao [2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Artificial Intelligence & Automat, Wuhan 430074, Peoples R China
[2] Shanghai Radio Equipment Res Inst, Shanghai 200090, Peoples R China
来源：
SECOND TARGET RECOGNITION AND ARTIFICIAL INTELLIGENCE SUMMIT FORUM | 2020年 / 11427卷
关键词：
W-band; Phased array antenna; Amplitude and phase calibration; T/R module;
D O I：
10.1117/12.2553018
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Higher calibration accuracy is essential to W-band phased array antennas due to their short wavelength. However, the feed amplitude and phase of the antenna unit usually deviates from its theoretical value because of the production and assembly of the phased array antenna. For this reason, the antennas should be calibrated to guarantee their performance. In order to solve this practical problem, an amplitude and phase calibration method based on the space feed characteristics of T/R modules is proposed in this paper. The proposed method can achieve high-precision alignment of the auxiliary antenna and the center of the tested front, and meanwhile obtain the true amplitude-phase distribution of the W-band phased array antenna. The proposed method effectively realizes the precise beam pointing of the W-band phased array antenna.
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页数：5
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