buffer

说明：  在MATLAB中可以当做发射信号的缓冲，以提高系统的稳定性，从而防止数据的剧烈变化(BUFFER Buffer a signal vector into a matrix of data frames. Y = BUFFER(X,N) partitions signal vector X into nonoverlapping data segments (frames) of length N. Each data frame occupies one column in the output matrix, resulting in a matrix with N rows.)