创建了一个L样本用户指定窗口的窗口类型(包括矩形、三角形、汉明、修改汉明,损害,和布莱克曼)。靠窗重叠相加版本的转移(在步骤R样本)行使决定overlap-added windows满足采样性质。-This exercise creates an L sample window of a user-specified window type (including rectangular, triangular, Hamming,modified Hamming, Hann, and Blackm