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RF gain/phase and I/Q imbalance error correction technique for multi-channel array antenna systems

机译:多通道阵列天线系统的射频增益/相位和I / Q不平衡误差校正技术

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摘要

A method of correcting the I/Q imbalance errors and amplitude/phase variations for the multi-channel transceiver has been proposed. It utilizes multi-frequency sinusoidal probe signals to take account of the amplitude/phase variations in the passband of the system. The performance of the proposed multi-channel transceiver calibration scheme is verified by the experiment and simulation. The effect of mutual coupling errors between antenna elements on the beam pattern is also evaluated by simulation.
机译:已经提出了一种校正多通道收发器的I / Q失衡误差和幅度/相位变化的方法。它利用多频正弦探测信号来考虑系统通带中的幅度/相位变化。通过实验和仿真验证了所提出的多通道收发器校准方案的性能。天线元件之间的互耦误差对波束方向图的影响也可以通过仿真来评估。

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