The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.

利用信道频率相关特性降低了算法复杂度，同时解决了算法对样本数的依赖问题。

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And the frequency grade and rainfall of rainstorm have a positive correlation.

暴雨频次、等级、雨量的基本特征具有正相关关系；

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With this system, a study has been made on the correlation between respiratory impedance and dynamic compliance of rabbit, and oscillatory frequency.

利用这一系统，研究了家兔的肺阻抗和动态顺应性与振荡频率的依赖关系。

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But the rate of illness had no correlation with the frequency of chilies eaten, leading to speculation that other factors may be at work.

ECONOMIST: Chilies

The study also found a correlation between hours spent on paid work and the frequency of sex in marriage.

WSJ: The Sex-Housework Link