摘要
自然界的非电信号经传感器转换和放大器放大后,不可避免地要混入干扰及噪声信号,为此必须使用滤波器对信号滤波。本文讨论移动平均法的数字滤波特性,将“三点平均”与“四点平均”法作一比较。
There must be noise and disturption in the signals got with sensors.The filter has to be used in order to get the clear signal.The article discuss about the characteristics of “the average over three digits”and“the average over four digits”.
出处
《海洋技术》
1997年第3期29-31,共3页
Ocean Technology