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引用第5楼fredhcn于2012-02-07 19:48发表的 : 4}mp~AXy;z 看了楼主的程序,S矩阵方面介绍很详细 9wR-0E ) 不过既然是LNA,为何没有Noise Figure vs Frequency的结果呢? E:EXp7 帮楼主补充一个算噪声的方法。 a(|YLN 一般软件里都会用到correlation matrix(可以理解为噪声矩阵)来算整个电路的噪声, EVovx7dr 附件里是我整理的 两个网络级联 的总噪声的公式, Jptzc:~B ....... *RM?SE6;
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