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2017-06-26

A Gain-Phase Error Calibration Method for the Vibration of Wing Conformal Array

By Wenhao Du, Wen-Tao Li, and Xiao-Wei Shi
Progress In Electromagnetics Research C, Vol. 75, 111-119, 2017
doi:10.2528/PIERC17040704

Abstract

Due to the influence of aerodynamic forces, the wing will be subjected to vibration and deformation. This will result in a severe performance degradation of the wing conformal antenna. To solve this problem, a new gain-phase error compensation method based on the deformation fitting of wing conformal antenna is proposed. In this proposed method, the array deformed shape curve is fitted through the gain error of the array, thus the position of each element can be calculated. Finally, by using the position of the elements to calibrate the gain-phase error, the corrected directions of arrival (DOA) estimation angle is obtained. Simulation results show that the proposed method can well reproduce the shape of the array, and effectively compensate the position error caused by the vibration of the wing conformal antenna.

Citation


Wenhao Du, Wen-Tao Li, and Xiao-Wei Shi, "A Gain-Phase Error Calibration Method for the Vibration of Wing Conformal Array," Progress In Electromagnetics Research C, Vol. 75, 111-119, 2017.
doi:10.2528/PIERC17040704
http://www.jpier.org/PIERC/pier.php?paper=17040704

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