传统的正交相干检波器由模拟器件构成，存在较大的镜频误差。
When it is realized by using the analog devices, the conventional quadrature coherent detector may result in the large image frequency errors.
传统的正交相干检波器由模拟器件构成，存在较大的镜频误差。
When it is realized by using the analog devices, the conventional quadrature coherent detector may result in the large image frequency errors.
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