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为了提高DSP系统的开发效率,引入了现代DSP技术,并由此设计QPSK调制器。依据QPSK调制的基本原理,以DSP Builder为设计平台,利用MATLAB/Simlink下搭建系统级模型,在模块的形式方式上,采用DSP Builder中的模块代替VHDL编程,在同一平台上实现了系统级建模和硬件实现的有机结合,为QPSK调制器的实现提供了一种新的图形化设计方案。该方法提高了设计的灵活性,通过软件仿真验证了方案的正确性与可行性。
In order to improve the efficiency of DSP system development, the introduction of modern DSP technology, and the design of QPSK modulator. According to the basic principle of QPSK modulation, DSP Builder is used as the design platform and the system level model is constructed by using MATLAB / Simlink. The modules in DSP Builder are used to replace the VHDL programming in the form and form of the module, and system level construction is realized on the same platform The organic combination of mode and hardware provides a new graphical design scheme for the implementation of QPSK modulator. This method enhances the flexibility of design and verifies the correctness and feasibility of the scheme through software simulation.