在地 关 键 词 CDMA通信; 通道幅相误差; 恒模; 有源校正 [gap=886]Key words CDMA mobile; channel amplitude and phase errors; constant modulus; auxiliary
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雷达系统不可避免地存在通道幅相误差，导致空时自适应处理算法的性能下降。
The channel gain and phase errors are inevitable in radar systems and the result in performance degrading of space-time adaptive processing (STAP) algorithm.
推导出了互阻抗误差与通道幅相误差的关系；进而得到了互阻抗误差与副瓣电平的关系。
The relationship between mutual impedance errors and the amplitude and phase errors of channels is derived, by which the relationship between mutual impedance error and the sidelobe level is given.
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。
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.
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