文章检索

  • 检索
  • 检索词:
  • 高级检索
您是今天第 671位访问者
您是第 3656047 位访问者
Analysis and optimization of distance measurement in MATLAB/SIMULINK model
Analysis and optimization of distance measurement in MATLAB/SIMULINK model
投稿时间:2016-12-21  修订日期:2017-03-18
中文关键词:Time-Of-Flight  pseudo-four-phase-shift algorithm  MATLAB/SIMULINK model  phase measurement
英文关键词:Time-Of-Flight  pseudo-four-phase-shift algorithm  MATLAB/SIMULINK model  phase measurement
基金项目:National Natural Science Foundation of China(61274043;61233010);Hunan Provincial Natural Science Fund for Distinguished Young Scholars (2015JJ1014)
作者单位
WANG Yin School of Physics and OptoelectronicsXiangtan UniversityXiangtan 411105China and Hunan Engineering Laboratory for Microelectronics, Optoelectronics and System on a ChipXiangtan Hunan 411105China 
JIN Xiangliang School of Physics and OptoelectronicsXiangtan UniversityXiangtan 411105China and Hunan Engineering Laboratory for Microelectronics, Optoelectronics and System on a ChipXiangtan Hunan 411105China 
摘要点击次数: 316
全文下载次数: 131
中文摘要:
      Based on the basic principle of Time-Of-Flight cameras,a novel MATLAB/SIMULINK model is proposed to measure phase delay of a modulated light signal which represents the distance from camera to object. Subsequently,by discussing influence factors of phase measurement,it is found that the integration time,the sampling time,and the aliasing effect have important effect on improving the accuracy of phase measurement. Interestingly,by analyzing different integration time and sampling time, it is found that the best integration time and sampling time are 0.05 ms and 10 ns,respectively. In this case(i.e.,in absence of the aliasing effect),the variation range of the distance error is between 1 mm and 11 mm in the interval of one period. Especially,under the consideration of the aliasing effect,the average value of distance error is half of that in absence of the aliasing effect. This improves the accuracy of the distance measurement greatly.
英文摘要:
      Based on the basic principle of Time-Of-Flight cameras,a novel MATLAB/SIMULINK model is proposed to measure phase delay of a modulated light signal which represents the distance from camera to object. Subsequently,by discussing influence factors of phase measurement,it is found that the integration time,the sampling time,and the aliasing effect have important effect on improving the accuracy of phase measurement. Interestingly,by analyzing different integration time and sampling time, it is found that the best integration time and sampling time are 0.05 ms and 10 ns,respectively. In this case(i.e.,in absence of the aliasing effect),the variation range of the distance error is between 1 mm and 11 mm in the interval of one period. Especially,under the consideration of the aliasing effect,the average value of distance error is half of that in absence of the aliasing effect. This improves the accuracy of the distance measurement greatly.
引用本文:WANG Yin,JIN Xiangliang.Analysis and optimization of distance measurement in MATLAB/SIMULINK model[J].太赫兹科学与电子信息学报,2018,16(3):558~564
DOI:10.11805/TKYDA201803.0558
学科分类代码:
查看全文  查看/发表评论  下载PDF阅读器

分享按钮