一种扩频通信收发系统硬件方案设计与设备集成

发布时间：2018-04-14 01:39

本文选题：硬件平台 + 基带板　；参考：《北京大学》2014年硕士论文

【摘要】：论文背景是一种具有应用前景的多载波直扩序列扩频通信系统，论文旨在探讨该系统硬件方案设计与设备集成。论文首先给出了系统技术指标要求，进行了必要的指标分解；其次，论文对基带收发模块的功能和性能进行需求分析，调研了基于FPGA原型开发平台的选型，给出了一种软硬件兼容的灵活解决方案，并完成了基带硬件平台的调试；在此基础上，对L波段中频收发单元的功能和性能进行了需求分析，，采用VHDL硬件描述语言实现了L波段中频收发单元与基带收发单元的通信接口，并对L波段中频收发单元的功能和性能指标进行了详细测试，评估和分析了L波段中频收发单元对系统主要性能指标的影响。搭建了中频测试验证环境，对系统中频收发性能进行了考核验证；最后，讨论了基带收发单元、L波段中频收发单元、工业控制计算机的整机集成方案，对整机机箱结构设计进行讨论。
[Abstract]:The background of this paper is a kind of multicarrier DSSS spread spectrum communication system with application prospect. This paper aims to discuss the hardware scheme design and equipment integration of the system.Firstly, the system technical requirements are given and the necessary index decomposition is carried out. Secondly, the function and performance of baseband transceiver module are analyzed, and the selection of prototype development platform based on FPGA is investigated.A flexible solution of hardware and software compatibility is presented, and the debugging of baseband hardware platform is completed. On this basis, the function and performance of L-band intermediate frequency transceiver are analyzed.The communication interface between L-band intermediate frequency transceiver unit and baseband transceiver unit is realized by using VHDL hardware description language, and the function and performance index of L-band intermediate frequency transceiver unit are tested in detail.The influence of L band if transceiver on the main performance of the system is evaluated and analyzed.The intermediate frequency test and verification environment is built, and the performance of if transceiver is verified. Finally, the integrated scheme of the base band transceiver unit and L-band intermediate frequency transceiver unit and industrial control computer is discussed.The structure design of the whole machine box is discussed.
【学位授予单位】：北京大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN914.42

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