一种消除正交双通道幅相不平衡的方法_电子资料文库 关键词:正交双通道;幅相不平衡;MTI ;滤波 [gap=5116]Key words :quadrature double channels ; amplitude and phase unbalance ; MTI ; filtering
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IF digital receiver eliminates the residual at the image frequency resulting from the amplitude and phase unbalance between I/Q channels in conventional approach to coherent detection.
中频采样数字化接收很好的克服了传统正交采样接收幅相不平衡的缺点,对雷达多普勒镜像频率的抑制达到了令人满意的结果。
参考来源 - 数字接收机技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
最后比较了几种MTI处理方法对正交通道幅相不平衡度的要求。
Finally, some ways of MTI processing are compared in amplitude and phase unbalances of quadrature channels.
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。
A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.
文中基于矢量网络分析仪测试方法，给出了该宽带正交解调器的幅相不平衡实验结果。
Based on measuring method of vector network analyzer, the experimental results of the wideband quadrature demodulator in the imbalance of amplitude and phase are given in this paper.
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