Related Experiment Video
Updated: Jul 8, 2026

Bringing the Visible Universe into Focus with Robo-AO
Published on: February 12, 2013
Error reduction in laser remote sensing: combined effects of cross correlation and signal averaging
N Menyuk1, D K Killinger, C R Menyuk
1University of Maryland, Laboratory for Plasma & Fusion Energy Studies, College Park, Maryland 20742, USA.
Abstract:
A systematic analysis is presented of the extent to which the accuracy of a differential-absorption lidar (DIAL) measurement may be improved by using the combined effects of signal averaging and temporal cross correlation. Previous studies which considered these effects separately are extended by incorporating both effects into a single analytical framework. In addition, experimental results involving lidar returns from a diffusely reflecting target using a dual-CO2 laser DIAL system with both heterodyne and direct detection are presented. These results are shown to be in good agreement with the theoretical analysis and help establish the limits of accuracy achievable under various experimental conditions.
Related Concept Videos
Reducing Line Loss
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
Distance Corrections
Common Leveling Mistakes and Errors
Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview
The ATR process begins by directing a beam...
Calibration Curves: Correlation Coefficient