卷积(convolution)
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赫斯特指数(Hurst exponent)
(1)理解其在统计学上的意义
(2)理解求解方法:方差法,R/S法,小波法,周期图法和Whittle法...
【扩展阅读】
Hurst exponent (WIKI):https://en.wikipedia.org/wiki/Hurst_exponent
赫斯特指数(Baidu): https://baike.baidu.com/item/%E8%B5%AB%E6%96%AF%E7%89%B9%E6%8C%87%E6%95%B0/5972509?fr=aladdin
N. Boers, Early-warning signals for Dansgaard-Oeschger events in a high-resolution ice core record, Nature Communications, 9 (2018) 2556.