A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.
并提供了一种和差支路幅相不平衡数字校正和角误差归一化处理的方法。
Cut-error that made from the finite difference mirgation, phase angle of error transfer function and factors that determine their values are discussed.
分析误差传递因子相角等因素对有限差分波动方程偏移造成的相位畸变问题，找到相应规律。
Combined with the Angle error extraction method mentioned above, the amplitude-phase imbalance is calibrated effectively. Thus, the measuring precision of Angle error is higher.
结合上述角误差提取方法，各通道间的幅相不平衡得到有效校正，因此提高角误差测量精度。
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