简明地介绍了压缩感知的理论，并对当前的无线通信系统进行分析，说明了将压缩感知应用于信道估计的可行性，以及如何将此理论应用于信道估计中。-Concise introduction to the theory of compressed sensing, and current wireless communication systems analysis, describes the channel estimation used in compressed sensing feasibility