CN 11-2436/TN
ISSN 1001-5078

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多类型调频连续波激光雷达测距原理与仿真分析
Ranging principle and simulation analysis for multi-type FMCW laser radar
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中文关键词  多类型连续波激光测距  拍频  仿真 Matlab-Simulink
英文关键词  multi-type FMCW laser radar  beat signal  Matlab-Simulink simulation
基金项目  
作者单位
周国清1,黄帅2,张广运1,毛登森3 1.天津大学遥感研究中心,天津 300072;2.天津大学电子信息工程学院,天津 300072;3.华北光电技术研究所,北京 100015 
中文摘要
      依据调频连续波激光雷达测距原理,详细阐述了三种不同类型的调频连续波激光测距雷达的基本过程,并对其测距过程进行了推导;搭建了锯齿波、三角波和正弦波三种不同类型激光测距原理验证平台,设计了调制信号产生模块,拍频仿真模块,并测定拍频后的频率值;分析了三种类型调频连续波激光雷达的适用条件和范围,为后续系统设计和硬件选型提供了参考依据。
英文摘要
      Three different types of laser radars are introduced based on the ranging principle of FMCW(frequency modulated continuous wave) laser radar,and also the ranging procedure is deduced.The laser ranging simulation platform is set up for sawtooth,triangular and sine modulated wave.Based on this platform,the modules for signal generation and beat signal simulation are designed and the frequency is measured from the beat signal.In the end,the application conditions for three different kinds of FMCM laser radars are analyzed,which provides the reference for the selection of system and hardware design.

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