高效频谱分割与聚合技术的FPGA实现  

FPGA Implementation of Efficient Spectrum Division and Recombination Technology

作　　者：阎张懿 仇洪冰[1] 唐清清 YAN Zhangyi;QIU Hongbing;TANG Qingqing(Guilin University of Electronic Technology,Guilin 541004)

机构地区：[1]桂林电子科技大学,桂林541004

出　　处：《舰船电子工程》2020年第2期54-56,77,共4页Ship Electronic Engineering

基　　金：国家自然科学基金项目(编号:61571143,61371107);广西重点研发项目(编号:桂科AB18126030);广西云计算与大数据协同创新中心、广西高校云计算与复杂系统重点实验室项目(编号:1716)资助。

摘　　要：高效频谱分割与聚合技术是提高卫星通信系统频谱利用率的有效手段。文中根据频谱分割与聚合技术原理,设计了频谱分割与聚合系统的FPGA实现方案。详细讨论了各个模块的工作原理和设计思想,最终实现了对QPSK信号的多频谱分割搬移以及接收端的聚合解调。测试结果表明,在对频谱进行四次等带宽分割条件下,聚合后的QPSK得到正确解调。Efficient spectrum division and recombination techniques are effective means to improve the spectrum utilization of satellite communication systems.According to the principle of spectrum division and recombination technology,the FPGA imple mentation scheme of spectrum division and recombination system is designed in this paper.The working principle and design idea of each module are discussed in detail,and the multi-spectral splitting and shifting of QPSK signals and the division and recombina tion of the receiving end are realized.The test results show that the QPSK after recombination is correctly demodulated under the condition of four equal bandwidth divisions on the spectrum.

关 键 词：FPGA 频谱分割与聚合 QPSK信号 

分 类 号：TN791[电子电信—电路与系统]