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软件无线电是针对世界范围无线电通信领域多体系并存 ,不同体系间通信设备不兼容 ,无法订制统一标准等实际问题的情况下产生的。作为一种潜在的实际解决方案 ,它通过软件来建立一种灵活的无线电系统 ,可实现多种服务 ,适应多种标准 ,覆盖多个频段 ,而且可重构和重新编程 ,通过软件下载 ,使用户能随时随地适应他所在的无线电环境。论文比较客观地介绍了软件无线电的体系结构 ,并从软件无线电相关技术目前的发展情况出发 ,分析了软件无线电所面临的技术问题 ,同时对相应的解决方案进行了研究 ,其中包括智能天线、DSP技术、宽带ADC等在矿井下软件无线电通信中的应用等问题。
Software radio is generated in response to practical problems such as the coexistence of multiple systems in the field of radio communications, incompatibility of communications equipment in different systems and the inability to subscribe to uniform standards. As a potential practical solution, it builds a flexible radio system with software that enables a wide range of services, adapts to multiple standards, covers multiple bands, and is reconfigurable and reprogrammable through software download to enable The user can adapt to his radio environment anytime, anywhere. The thesis objectively introduces the architecture of software radio and analyzes the technical problems faced by software radio from the current development of software radio related technologies. At the same time, the corresponding solutions are studied, including smart antenna, DSP Technology, broadband ADC and other software applications in the mine radio communications and other issues.