介绍常用的AT指令，包括gpsr初始化，发短信等-Commonly used in the AT commands, including the gpsr initialization, send text messages, etc.

最全的cs重构算法matlab代码及其参考文献，包括BP，COSAMP, Cotourlet, CURVELET, DWT, GPSR, Grouplet, MP, OMP, ROMP, SP, StOMP等-Contain almost all the algorithm of Compressed Sensing（CS）:COSAMP, Cotourlet, CURVELET, DWT, GPSR, Grouplet, MP, OMP, ROMP, SP, StOMP and so on