低密度奇偶检验码与分层空时码的级联仿真，具有很高的价值，希望对大家有用。-Low-density parity check codes and layered space-time codes of the cascade simulation, with a very high value and hope for all of us.

基于谷歌地球平台的matlab程序开发，方便我们使用。-matlab programming Based on Google earth platform, which is convenient for us to use.

大地电磁法是20世纪50年代由前苏联提出并经法、美加等过科学家年代由前苏联提出并经法、美加等过科学家过多年努力发展起来的以交变电磁场为源一种物探方法。本文是大地电磁一维正反演的原理和matlab代码。-Magnetotelluric method is put forward by the former Soviet union in the 1950 s and by the method, such as the us and Canada scientist s put forward b