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本文研究了用数字信号处理器(DSP)实现幅度调制与解调的性能实验系统,给出了该系统的数学模型、工作原理、主要程序设计、实验方法及结果。以该系统为例,重点从实现技术方面探讨了DSP综合应用系统设计的开发环境及开发手段。本实验基于DSP硬件平台,将系统的硬件应用、软件设计、CCS开发调试工具及Matlab辅助仿真功能相结合,使学生不仅掌握数字信号处理的理论,而且能够将理论研究的成果和算法应用于各种解决方案,对培养学生的DSP实际综合设计能力很有益处。
In this paper, the performance experiment system of amplitude modulation and demodulation using digital signal processor (DSP) is studied. The mathematical model, working principle, main program design, experimental methods and results are given. Taking this system as an example, this paper discusses the development environment and development means of DSP integrated application system design from the point of view of realizing technology. The experiment based on DSP hardware platform, the system hardware applications, software design, CCS development and debugging tools and Matlab assisted simulation capabilities, so that students not only master the theory of digital signal processing, but also to the theoretical research and algorithms applied to each Kind of solution, to develop students’ actual comprehensive design ability of DSP is very good.