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Proceedings Article

Flight test performance of a high precision navigation Doppler lidar

[+] Author Affiliations
Diego Pierrottet

Coherent Applications, Inc. (USA)

Farzin Amzajerdian, Larry Petway, Bruce Barnes, George Lockard

NASA Langley Research Ctr. (USA)

Proc. SPIE 7323, Laser Radar Technology and Applications XIV, 732311 (May 06, 2009); doi:10.1117/12.821902
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From Conference Volume 7323

  • Laser Radar Technology and Applications XIV
  • Monte D. Turner; Gary W. Kamerman
  • Orlando, Florida, USA | April 13, 2009

abstract

A navigation Doppler Lidar (DL) was developed at NASA Langley Research Center (LaRC) for high precision velocity measurements from a lunar or planetary landing vehicle in support of the Autonomous Landing and Hazard Avoidance Technology (ALHAT) project. A unique feature of this DL is that it has the capability to provide a precision velocity vector which can be easily separated into horizontal and vertical velocity components and high accuracy line of sight (LOS) range measurements. This dual mode of operation can provide useful information, such as vehicle orientation relative to the direction of travel, and vehicle attitude relative to the sensor footprint on the ground. System performance was evaluated in a series of helicopter flight tests over the California desert. This paper provides a description of the DL system and presents results obtained from these flight tests.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Diego Pierrottet ; Farzin Amzajerdian ; Larry Petway ; Bruce Barnes and George Lockard
"Flight test performance of a high precision navigation Doppler lidar", Proc. SPIE 7323, Laser Radar Technology and Applications XIV, 732311 (May 06, 2009); doi:10.1117/12.821902; http://dx.doi.org/10.1117/12.821902


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