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软件无线电是一种新兴技术，通过软件使多种业务、多种标准、多个频段与灵活的无线电系统的组合成为可重新配置和可重新编程的。介绍了软件无线电的概念及系统结构，并进一步讨论了现阶段软件无线电所面临的技术问题以及相应的实现方案。
Software radio is an emerging technology that enables software to reconfigure and reprogram the combination of multiple services, multiple standards, multiple bands and flexible radio systems. Introduced the concept and system structure of software radio, and further discussed the technical problems and corresponding solutions of software radio at this stage.