基于DSP的天线公用器控制与实现

发布时间：2018-02-08 10:36

本文关键词： DSP 公用器 CPLD 滤波器天线　出处：《武汉科技大学》2012年硕士论文　论文类型：学位论文

【摘要】：近年来，随着无线通信技术的多样化和卫星摄像分辨率的提高，战场反侦察技术面临着新的挑战。而像军事指挥部等重要单位是军事反侦察中的重中之重。在现代化的军事斗争中，因为隐蔽不力导致军事指挥官遭到斩首，整个战役失败的例子很多。目前军事指挥中枢进行外部通信需要使用多根天线与多个被指挥机构保证实时连接，容易暴露目标。如何减少天线数量，，保证通信质量以及通信实时性是现代通信研究的重点。本课题设计了以DSP和CPLD为核心的天线公用器实现单天线多信道信号传输。TMS320F2812负责实现构建正交网络，控制滤波器导通关断；CPLD负责多路串行频率控制字和TOD采集与存储，确保跳频同步。公用器连接多部信道机，能够实时检测信道机通信频率，辨别彼此间优先级，实现同步正交网络无障碍通信。本文首先介绍了该系统的整体设计背景和设计思想，其次对公用器中带通滤波器理论设计和实际参数进行了详细叙述，然后介绍了系统控制部分中DSP系统模块和CPLD系统模块的硬件电路设计与软件设计，最后对整个系统进行总结，提出了下一步工作改进目标。
[Abstract]:In recent years, with the diversification of wireless communication technology and the improvement of satellite camera resolution, Battlefield anti-reconnaissance technology is facing new challenges. And important units such as the military command are the most important in military counter-reconnaissance. In the modern military struggle, military commanders are beheaded because of lack of concealment. There are many examples of failure in the whole campaign. At present, military command centers need to use multiple antennas to ensure real-time connection with multiple command agencies, easy to expose targets, and how to reduce the number of antennas. It is the focus of modern communication research to ensure communication quality and real-time communication. In this paper, an antenna utility based on DSP and CPLD is designed to realize multi-channel signal transmission with single antenna. TMS320F2812 is responsible for constructing orthogonal network. CPLD is responsible for multi-channel serial frequency control word and TOD acquisition and storage. In order to ensure frequency hopping synchronization, the utility can detect the communication frequency of channel machine in real time, identify the priority between each other, and realize the synchronous orthogonal network communication without hindrance. This paper first introduces the whole design background and design idea of the system, and then describes the theoretical design and practical parameters of the bandpass filter in the utility in detail. Then the hardware circuit design and software design of DSP system module and CPLD system module in the system control part are introduced. Finally, the whole system is summarized, and the next work improvement goal is put forward.
【学位授予单位】：武汉科技大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TN820;TP368.1

【参考文献】