这是一个带通滤波的Fortran程序，主要用于滤出低频信号，多见于气象与气候的研究-The Fortran program is a bandpass filter, mainly used to filter out low frequency signal, used in the study of weather and climate

该资料较对需要fortan语言hankel滤波编程有较好用途(The data should be useful for programming with the fortan language hankel filter.)