高动态环境下载波频率捕获的设计与实现  

The design and implementation of the carrier frequency to capture for high dynamic environment

作　　者：纪捷先[1] 

机构地区：[1]湛江师范学院信息科学与技术学院,广东湛江524048

出　　处：《信息通信》2010年第3期62-64,共3页Information & Communications

摘　　要：针对高动态的机载环境和FPGA的应用要求,比较并确定了基于软件无线电思想的扩频接收机中载波频率捕获的方案;完成了鉴频器、比特定时提取电路等模块的设计.论文对系统进行了理论分析和性能仿真,最终在SOPC上实现了该方案。通过在硬件平台上对接收机的性能指标进行了测试,测试结果表明实现的接收机基本达到了性能指标要求。For high dynamic environment and the requirements of FPGA, the project is identified based on software radio spread spectrum receiver, the carrier frequency to capture; completed the designing of frequency discriminator, bittiming recovery circuit module, the theoretical analysis and performance simulation process on the system,ultimately the program is realized on SOPC. the receiver performance was tested on the hardware platform concretely and skillfully.

关 键 词：载波频率捕获 鉴频器 比特定时提取电路 FPGA 

分 类 号：TN914.5[电子电信—通信与信息系统]