软件无线电技术是用于卫星导航和第三代移动通信(3G) 数据处理和计算的最优解决方案。运用基于FPGA的So PC 嵌入式设计方法构造软件无线电系统,提高了对动态实时信号的处理能力。设计完成无线通信体系结构,以及ADC 模数转换,数字下变频,CPU 中央处理器,DSP 运算单元,PCI 桥以及数据控制等模块的详细组成。相对于目前常规系统,该系统在功耗和体积方面可节省30 以上,对高速数据流的处理和计算能力有显著提高,可以应用于Cellular/ PCS 基站,GPS 抗干扰接收机,相控阵接收机,频谱分析和3G无线通信等领域。-Software radio technology is used for satellite navigation and third-generation mobile communication (3G) data processing and computing the optimal solution. So PC using FPGA-based embedded design methods to create software-defined radio system to improve the dynamic real-time signal processing capabilities. Wireless communications architecture design is completed and the ADC analog-digital conversion, digital down conversion, CPU CPU, DSP computing unit, PCI bridge, and data control module, the detailed composition. Relative to the current conventional systems, the system can save power consumption and size are more than 30　of the high-speed data stream processing and computing power has significantly increased, can be applied to Cellular/PCS base stations, GPS anti-jamming receivers, phased array receivers, spectrum analysis, and 3G wireless communications and other fields.