是小学期课程设计的题目，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度,匹配追踪和正交匹配追踪。- Is the topic of the elementary school stage curriculum design, Including Deng s correlation, absolute correlation, correlation of slope, improved absolute correlation, Matching Pursuit and orthogonal matching pursuit.