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激光测距仪信噪比与激光发散角最佳值的选取
Selecting Optimum of Signal-to-NoiseRatio and Laser Beam Divergencefor Laser Range-Finder
【摘要】 研讨激光测距仪的信噪比和激光发散角如何选取最佳值的问题。如果信噪比为SNR,激光发散角为θ_t,则取SNR θ_t~2最小时的信噪比和激光发散角为最佳值。
【Abstract】 The problem how to select optimum of signal-to-noise ratio and laser beam divergence for laser range-finder is studied. If signal-to-noise ratio is expressed as SNR and laser beam divergence is expressed as θt,then,while SNR θt2 is a minimum, the signal-to-noise ratio is selected as an optimum and the laser beam divergence is selected synchronously as an optimum.
【关键词】 最佳值;
信噪比;
激光发散角;
激光测距仪;
【Key words】 optimum; signal-to-noise ratio; laser beam divergence; laser range-finder;
【Key words】 optimum; signal-to-noise ratio; laser beam divergence; laser range-finder;
- 【文献出处】 光学与光电技术 ,Optics & Optoelectronic Technology , 编辑部邮箱 ,2003年01期
- 【分类号】TH761.2
- 【被引频次】5
- 【下载频次】301