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Documents 嵌入式红外通信系统及其应用研究
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  • Author Author: sophie0love
  • Date Created: 28 Nov 2010 3:26 AM Date Created
  • Last Updated Last Updated: 9 Nov 2021 4:54 PM
  • Views 659 views
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嵌入式红外通信系统及其应用研究

近年来,随着现代科学技术的迅速发展,学科交叉展示了极强的技术优势和广阔的应用前景。光学与电子学的交叉融合,产生了一门新的学科——光电子学;电子技术与计算机技术的结合,形成了崭新的嵌入式技术。而红外通信系统则是嵌入式技术和光电子技术综合应用的产物。 本论文的内容可分为五个部分:第一部分综述了国内外红外通信技术和嵌入式技术的发展和应用现状,分析了红外通信系统的优点,提出了进一步提升红外通信系统性能和技术指标的思路,给出了本文所要做的工作;第二部分叙述了光电信号的调制与解调的工作机理、系统光源的选择与信号探测,给出了相关元件型号参数的选型;第三部分叙述了USB接口射频模块工作原理及其设计方案;第四部分叙述了红外发射系统和接收系统的设计与实现;第五部分为嵌入式红外通信系统的调试与实验。 本论文主要工作如下: (1)研究了短距离无线射频通信技术,设计了采用高速SOC(片上系统)C8051F010作为控制器、射频芯片CC1100作为收发器的主控系统的无线射频模块、采用USB转串口芯片实现了射频模块与上位机进行通信。 (2)结合Atmega16L芯片,设计了基于嵌入式技术和红外通信技术的红外对抗系统。 (3)编写了嵌入式红外通信系统硬件驱动、信号处理、控制等软件。 (4)对该系统进行了信息传输的误码率以及传输的距离进行了实验。 (5)进行了整体系统的联合调试,针对调试过程中遇到的问题给出了解决方案。 创新点:采用AVR单片机的PWM方式在不占用CPU的情况下产生精确的38KHz载波,在系统发射接收部分增加准直聚焦光学系统,取得良好效果。

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