The paper QPSK, QAM, MSK modem technology are carried out a detailed simulation and analysis, that, select a modulation technique is based on channel characteristics and to determine the application.

• 文章针对QPSK、QAM、MSK三种调制解调技术进行了详细的仿真和分析，可见，选择一种调制技术是根据信道特性和应用来确定的。