原创代码，采用VHDL实现的64点均值滤波。实验测试过，效果良好。可轻松修改成任意点数均值滤波。采用了多点滑动运算，减小了输出延时，最大为3个时钟延迟。可用于AD采样后的滤波处理。-Original code, the use of VHDL to achieve the 64 point mean filter. Experiment tested the results were very good. Can be easily modified into arbitrary point m