Results 181 to 190 of about 14,602 (246)

Quartz-enhanced laser spectroscopy sensing. [PDF]

Light Sci Appl
Qiao S, Liu X, Lang Z, He Y, Chen W, Ma Y.   +5 more
europepmc   +1 more source

Auto-LIA: The Automated Vision-Based Leaf Inclination Angle Measurement System Improves Monitoring of Plant Physiology. [PDF]

Plant Phenomics
Jiang S, Wu X, Wang Q, Pei Z, Wang Y, Jin J, Guo Y, Song R, Zang L, Liu YJ, Hao G.   +10 more
europepmc   +1 more source

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Water Vapor Differential Absorption Lidar

2021
Water vapor is one of the fundamental thermodynamic variables that define the state of the atmosphere. It is highly variable in space and time and influences many important processes related to weather and climate. For more than two decades the importance of water vapor profiling has been underscored by the research and operational weather communities.
Scott M. Spuler, Matthew Hayman, Tammy M. Weckwerth   +2 more
openaire   +1 more source

Differential absorption lidar signal averaging

Applied Optics, 1988
This paper presents experimental results using an atmospheric backscatter dual CO(2) laser differential absorption lidar (DIAL). It is shown that DIAL signals can be averaged to obtain an N(-(1/2)) dependence decrease in the standard deviation of the ratio of backscattered returns from two lasers, where N is the number of DIAL signals averaged, and ...
W B, Grant, A M, Brothers, J R, Bogan
openaire   +2 more sources

Ozone differential absorption lidar algorithm intercomparison

Applied Optics, 1999
An intercomparison of ozone differential absorption lidar algorithms was performed in 1996 within the framework of the Network for the Detection of Stratospheric Changes (NDSC) lidar working group. The objective of this research was mainly to test the differentiating techniques used by the various lidar teams involved in the NDSC for the calculation of
Godin, Sophie, Carswell, Allen I., Donovan, David P., Claude, Hans, Steinbrecht, Wolfgang, Mcdermid, I. Stuart, Mcgee, Thomas J., Gross, Michael R., Nakane, Hideaki, Swart, Daan P. J., Bergwerff, Hans B., Uchino, Osamu, Gathen, Peter von Der, Neuber, Roland   +13 more
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Continuous‐wave differential absorption lidar

Laser & Photonics Reviews, 2015
AbstractThis work proves the feasibility of a novel concept of differential absorption lidar based on the Scheimpflug principle. The range‐resolved atmospheric backscattering signal of a laser beam is retrieved by employing a tilted linear sensor with a Newtonian telescope, satisfying the Scheimpflug condition.
Liang Mei, Mikkel Brydegaard
openaire   +1 more source