视频讲解：
https://www.bilibili.com/video/BV1L4411q785?p=3&spm_id_from=pageDriver
https://www.bilibili.com/video/BV1C7411k7Wg?from=search&seid=17393812710874939428
https://www.bilibili.com/video/BV1Nt411N7HN?from=search&seid=17393812710874939428
https://www.bilibili.com/video/BV1C54y147bY/?spm_id_from=333.788.recommend_more_video.6
https://www.bilibili.com/video/BV1X64y1M74z/?spm_id_from=333.788.recommend_more_video.1
博客：
https://blog.csdn.net/weixin_44791964/article/details/104000722?spm=1001.2014.3001.5501
示例代码：
https://github.com/bubbliiiing/Keras-Attention/blob/master/Attention_in_LSTM.py