长春理工大学本科毕业设计PAGE-24-编号本科生毕业设计基于激光通信技术的语音传送装置Laser-basedtransmissionofvoicecommunicationtechnologydevices2008年月摘要激光通信是以激光光波为载波,并用脉冲数字编码来调制这一载波的通信方法激光具有扩散小、相干性和方向性好、光束功率密度大等优点,因而适合于保密通信和航天通信与无线电微波通信相比,激光通信由于其通信容量大,发射天线体积小，抗射频,抗电磁脉冲干扰以及反窃听性能好,特别是抗核破坏能力强等优点而倍受军事和航天领域的青睐。本文介绍了大气激光通信的原理，以及激光通信系统的组成等。简要的介绍了单片机ATMEGA32的结构特点和其引脚配置，简单说明它对音频设置的实现。从而设计一款基于激光通信系统的语音传送装置。该论文介绍了系统的总体设计，并着重说明该设计的硬件、软件的设计，然后简单描述了调试，分析的结果以及设计中的不足之处。关键词：激光通信ATMEGA32UARTABSTRACTLasercommunicationisbasedonlaserlightforthecarrier,anddigitalpulsecodemodulationofthecarriertothecommunicationmethodofthelaserwiththeproliferationofsmall,coherentanddirectional,andthebeampowerdensity,etc.,thussuitableforsecurecommunicationsandspacecommunicationsandradiocomparedtomicrowavecommunications,lasercommunicationsasaresultofitscommunicationscapacitytolaunchanti-smallRFantenna,anti-electromagneticpulseinterference,aswellasgoodanti-wiretapping,anti-nucleardamageinparticulartheadvantagesofstrongandpopularmilitaryandspaceofallages.Thispaperintroducestheprincipleofatmosphericlasercommunications,aswellaslasercommunicationsystem。Briefintroductionofthestructuralcharacteristicsofsingle-chipATMEGA32anditspinconfiguration,abriefdescriptionoftheachievementofitsaudiosettingssoastodesignalaser-basedcommunicationssystemofvoicetransmissiondevice.Thispaperintroducesthesystemdesign,andhighlightsthedesignofhardware,softwaredesign,andthenabriefdescriptionofthedebugging,analysis,anddesigndeficiencies.Keywords:LasercommunicationATMEGA32UART目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc232242829"第一章绪论PAGEREF_Toc232242829\h-1-HYPERLINK\l"_Toc232242830"1.1激光通信简介PAGEREF_Toc232242830\h-1-HYPERLINK\l"_Toc232242831"1.2国内外发展现况PAGEREF_Toc232242831\h-2-HYPERLINK\l"_Toc232242832"第二章课题设计原理PAGEREF_Toc232242832\h-3-HYPERLINK\l"_Toc232242833"2.1大气激光通信系统PAGEREF_Toc232242833\h-3-HYPERLINK\l"_Toc232242834"2.1.1激光器PAGEREF_Toc232242834\h-3-HYPERLINK\l"_Toc232242835"2.1.2光的调制PAGEREF_Toc23