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给出了基于NiosII的通用数字调制器的实现方法,具体说明了系统的基本原理、总体结构、硬件设计,以及软件流程等。该系统把可编程逻辑的固有优势集成到嵌入处理器的开发流程中,具有高度的灵活性、可重配置功能,便于升级和扩展,适于软件无线电的应用。
The realization method of universal digital modulator based on NiosII is given, and the basic principle, overall structure, hardware design and software flow of the system are described in detail. The system integrates the inherent advantages of programmable logic into the embedded processor development flow with a high degree of flexibility and reconfigurability for easy upgrades and extensions for software radio applications.