镜像延拓 extend

代码说明：

  镜像延拓和一种自适应波形匹配法处理EMD中的端点效应。boundary_matchwave。BOUNDARY_CONDITIONS_EMD。(Mirror extension and an adaptive waveform matching method to deal with the end effect in EMD.)

文件列表：

延拓
....\boundary_conditions_fliplr.m,4890,2016-05-31
....\boundary_matchwave_zixingbopipei.m,5164,2016-05-31