A new dual-frequency laser Doppler velocity measurement method is presented in this paper.In this scheme,a parallelly linear-polarized dual-frequency laser incidents on the target and senses the target velocity with both of the frequencies,which can increase the maximum measurable velocity significantly.The theoretical analysis and verification experiment are presented,and the results show that high velocity measurement can be achieved with high precision using this method.
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张艳艳,霍玉晶,何淑芳,巩轲.一种新的双频激光多普勒测速方法的实验研究[J].激光与红外,2010,40(7):694~696 ZHANG Yan-yan, HUO Yu-jing, HE Shu-fang, GONG Ke. A new dual-frequency laser Doppler velocity measurement method[J]. LASER & INFRARED,2010,40(7):694~696