Simulated lidar waveforms for understanding factors affecting waveform shape

Angela M. Kim; Richard C. Olsen

doi:10.1117/12.883459

1 June 2011 Simulated lidar waveforms for understanding factors affecting waveform shape

Angela M. Kim, Richard C. Olsen

Proceedings Volume 8037, Laser Radar Technology and Applications XVI; 80371K (2011) https://doi.org/10.1117/12.883459
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

Full-waveform LIDAR is a technology which enables the analysis of the 3-D structure and arrangement of objects. An in-depth understanding of the factors that affect the shape of the full-waveform signal is required in order to extract as much information as possible from the signal. A simple model of LIDAR propagation has been created which simulates the interaction of LIDAR energy with objects in a scene. A 2-dimensional model tree allows controlled manipulation of the geometric arrangement of branches and leaves with varying spectral properties. Results suggest complex interactions of the LIDAR energy with the tree canopy, including the occurrence of multiple bounces for energy reaching the ground under the canopy. Idealized sensor instrument response functions incorporated in the simulation illustrate a large impact on waveform shape. A waveform recording laser rangefinder has been built which will allow validation or model results; preliminary collection results are presented here.

Citation Download Citation

Angela M. Kim and Richard C. Olsen "Simulated lidar waveforms for understanding factors affecting waveform shape", Proc. SPIE 8037, Laser Radar Technology and Applications XVI, 80371K (1 June 2011); https://doi.org/10.1117/12.883459

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