16 May 2013 Optical frequency modulation continuous wave coherent laser radar for spacecraft safe landing vector velocity measurement
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Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 879618 (2013) https://doi.org/10.1117/12.2006579
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China
Abstract
The design and performance of Optical frequency modulation continuous wave (OFMCW) coherent laser radar is presented. By employing a combination of optical heterodyne and linear frequency modulation techniques and utilizing fiber optic technologies, highly efficient, compact and reliable laser radar suitable for operation in a space environment is being developed.We also give a hardware structure of the OFMCW coherent laser radar. We made a detailed analysis of the measurement error. Its accuracy in the speed range is less than 0.5%.Measurement results for the movement of the carrier has also made a detailed assessment. The results show that its acceleration vector has better adaptability. The circuit structure is also given a detailed design. At the end of the article, we give the actual authentication method and experimental results.
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Xiao-lin Sui, Xiao-lin Sui, Shou-huan Zhou, Shou-huan Zhou, } "Optical frequency modulation continuous wave coherent laser radar for spacecraft safe landing vector velocity measurement", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 879618 (16 May 2013); doi: 10.1117/12.2006579; https://doi.org/10.1117/12.2006579
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