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Research on Key Techniques for PC and FPGA based Software Defined Radio

Abstract

人们对无线通信服务需求的快速增长,极大促进了无线通信技术的迅速发展。软件无线电是一种用软件来实现信号处理的无线通信系统设计方法,基于通用处理器的软件无线电以其可重配置性、扩展性、低成本和灵活性等各种优势成为未来无线通信系统的主流设计方法之一。 在基于通用处理器的软件无线电系统中,通常采用可编程逻辑门阵列(FPGA)与个人电脑(PC)相结合的架构。由于目前通信系统中往往需要处理宽带、多频带、多模式信号,这就要求模数转换器(ADC)具有较高的采样率,为了克服数字信号较高采样率给后续基带处理带来的压力,具有灵活、可配置功能以实现灵活的采样率变换及滤波操作的数字前端就成了本论文研究的关键技术之一;而...People’s rapid growth demand for wireless communication services has greatly contributed to the rapid development of wireless communication technologies. Software defined radio (SDR) is a type of design method to implement signal processing by software for wireless communication systems. Due to the advantages of its re-configurability,scalability, low cost and flexibility, General-purpose processo...学位:工学硕士院系专业:信息科学与技术学院通信工程系_通信与信息系统学号:2332008115329

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