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中频接收机IQ不平衡的数字估计与补偿 被引量:1

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摘要 笔者在文中以信号统计为基础,提出一种新的IQ不平衡校准方法。首先对中频接收机进行了原理分析和模型建立,并分析了接收机性能的影响和IQ不平衡的关系,从而对IQ不平衡进行相应补偿。仿真表明本文所示方法大大提高了OFDM零中频接收机的性能。
机构地区 火箭军工程大学
出处 《科学技术创新》 2019年第8期87-88,共2页 Scientific and Technological Innovation
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