Spreading-factor

代码说明：

  扩频因子在通信领域是我们必须要掌握的重点，本文章系统详细的阐述了扩频因子的作用，原理等，希望对大家有所帮助~(Spreading factor in the field of communication is that we must grasp the focus of this article system detailed expounds the function of spreading factor, principle and so on, hope to be of help)