Computer simulation of the measured data has been made. In the design of the digital filter,it is necessary to make the second weighting besides using the Kaiser window weighting function.

• 对实测的数据用计算机作了模拟计算,明确了设计的数字滤波器除了用凯泽(Kaiser)窗函数加权外,进行第二次加权的必要性。