求一篇nakagami的论文

^ M. Nakagami. "The m-Distribution, a general formula of intensity of rapid fading". In W. G. Hoffman, editor, Statistical Methods in Radio Wave Propagation: Proceedings of a Symposium held at the University of California, pp 3-36. Permagon Press, 1960
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顺带请教一下 y=sum_{i=1}^{k}h-{i}^2
其中hi是一组非零均值复高斯变量 方差相同 均值不同
该是那种分布？
谢谢test
hehe

\chi^2 distribution with 2k degrees of freedom

哎呀 我怎么这么笨。。。。test
hehe