时序数据EMD，VMD，小波，傅里叶分解

EMD分解： https://www.bilibili.com/video/BV1iu411f7m7/?spm_id_from=333.337.search-card.all.click&vd_source=bdbb5be671dc7bcfadbe64bf3d0d2f95

VMD分解：https://www.bilibili.com/video/BV14F41147eE/?spm_id_from=333.337.search-card.all.click&vd_source=bdbb5be671dc7bcfadbe64bf3d0d2f95

小波分解和重构：https://www.bilibili.com/video/BV1q54114744/?spm_id_from=333.337.search-card.all.click&vd_source=bdbb5be671dc7bcfadbe64bf3d0d2f95

傅里叶变换：https://www.bilibili.com/video/BV1aW4y1y7Hs/?spm_id_from=333.337.search-card.all.click&vd_source=bdbb5be671dc7bcfadbe64bf3d0d2f95

 

理论：https://zhuanlan.zhihu.com/p/150705777

           说的很透彻的由傅里叶变换改良而来的小波变换：https://blog.csdn.net/qq_43158059/article/details/126547019