提高数据采集可靠性的一种方法--平滑滤波法，这里是20点和40点的平滑滤波。

CRC冗余码校验也是提高可靠性的必要方法。-Improve the reliability of a data collection method- smoothing filtering method, this is 20 o clock and 40-point smoothing filter. CRC redundancy check is also an essential means to improve reliability.