脉冲激光雷达变频测距技术理论研究

Study on the theory of frequency-conversion rangfinding technology in pulsed laser radar

提出了脉冲激光雷达变频测距的技术概念。与激光雷达传统脉冲测距方法相比,变频测距技术具有高速、高精度的突出优势。因此,激光雷达变频测距技术具有广阔的应用前景。文中对主、被动变频测距技术进行了详细介绍,重点对变频测距技术进行了公式推导、理论分析,并对影响该技术工程化应用的制约因素做了探讨。本文对推动脉冲激光雷达变频测距技术的应用具有一定意义。

The technology of frequency-conversion ranging in pulsed laser radar is proposed. Compared with traditional pulsed laser ranging,the technology of frequency-conversion ranging has the superiority of high speed and precision, which means that this technology has a broad application prospect. The theory of initiative and passive frequency-conversion ranging is introduced in detail. Emphasis is put on deriving the computing expressions and analyzing the working theory of this technology. Also,the restriction factors which affect its application in engineering are discussed.