L波段射频数字化宽带接收解调研究  

Research on L-band wideband RF digital receiver and demodulator

作　　者：唐博 李璐 Tang Bo;Li Lu(Sichuan Jiuzhou Aerocontrol Co.,Ltd.,Mianyang 621000,China)

机构地区：[1]四川九洲空管科技有限责任公司,四川绵阳621000

出　　处：《电子技术应用》2021年第5期131-134,共4页Application of Electronic Technique

摘　　要：L波段电磁波频率在1 GHz~2 GHz范围内,普遍运用于雷达、通信和导航领域。利用射频数字化接收解调技术,设计了一种L波段宽频带、高动态射频数字化接收机。主要从射频采样、数字信道分离、接收机动态扩展以及高速信号解调方面,对L波段射频数字化通用接收机的设计进行了研究,并结合FPGA信号处理平台给出了数字通道分离和滤波解调的具体实现方案。L-band radio frequency is in the range of 1 GHz~2 GHz,which is widely used in rader,communication and navigation.The main research content of this paper is to design an L-band broadband,high dynamic RF digital receiver using RF digital receiver demodulation technology.In this paper,the design of L-band RF digital receiver is research at RF sampling,digital channel separation,receiver dynamic expansion and high-speed signal demodulation,and give a specific implement scheme of digital channel separation,high-speed signal demodulation based on FPGA digital signal process platform.

关 键 词：射频数字化 带通采样 多相滤波 FPGA信号解调 

分 类 号：TN859[电子电信—信息与通信工程]