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随着通信技术日新月异的发展,通信方式已取得了很大的改变。目前数字通信的快速发展使它的应用越来越普及。不过由于其系统结构很复杂,要想全面地对其系统性能进行分析,就要采用一些辅助手段来进行仿真研究。在通信系统中调制解调技术占有很重要的地位。文章利用Visual Basic语言的可视开发界面和MATLAB语言强大的仿真功能,对数字调制技术进行了建模和仿真研究。
With the rapid development of communication technology, the way of communication has been greatly changed. At present, the rapid development of digital communication makes its application more and more popular. However, due to its complex system structure, in order to fully analyze its system performance, it is necessary to use some auxiliary means to carry out simulation studies. Modem technology in communications systems occupy a very important position. The paper makes use of Visual Basic language visual development interface and MATLAB language powerful simulation function to carry on the modeling and the simulation research to the digital modulation technology.