OFDM系统的不同编码如BPSK，QPSK，mQAM等在瑞利信道或高斯信道中传播的特性曲线分析。-The different coding of OFDM system in Rayleigh channel, or Gaussian channel spread features such as BPSK, QPSK, mQAM curve analysis.

VB2005下 分布式控制器 通过串口将命令发送给控制器，开关相应的继电器，被控制的通道就将相应的状态上传。-Distributed under the VB2005 controller serial command sent to the controller, has been controlled by the state of the corresponding channel will upload.