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毫米波功率放大器的预失真线性化改进研究 被引量:2

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摘要 针对毫米波功率放大器的非线性失真问题,提出一种记忆多项式预失真优化算法,对功放的非线性失真进行补偿。预失真处理前后功放特性曲线表明该预失真算法的线性化效果明显;预失真处理后输出信号的相邻信道功率比原始输入信号高0.89 dB,比预失真前降低了7.8 dB,降低了相邻信道的干扰,符合理想功放线性化放大原则。
出处 《电子元件与材料》 CAS CSCD 2015年第4期87-89,共3页 Electronic Components And Materials
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