【摘要】 介绍了一种基于AT89S52单片机和EP1K30 FPGA的FSO通信误码测试系统的设计与实现方案。系统以FPGA为处理核心,实现高速误码检测;单片机完成控制逻辑。详细讨论了伪随机码发生模块、同步模块、误码检测模块及单片机与FPGA接口的软硬件设计。并利用设计的样机进行了本地光纤环回和实验室内近距离无线激光通信的误码测试实验,实验结果表明此设计工作稳定可靠,可以实现对FSO通信质量进行检测的设计要求。更多还原

【Abstract】 This paper introduces a design and implementation of BER tester using for FSO communicationsystem.This BER tester is based on AT89S52 MCU and EP1K30 FPGA.The FPGA is to achieve high-speed,error detection,while the MCU takes charge of controlling logic.And the paper has discussed the pseudo-ran-dom code generator module,error detection module,the synchronization module and the interface of MCUand FPGA.And then,some experiment results are given to prove that the design of BER tester can work stableand reliable.更多还原