Articles with "differential absorption" as a keyword



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Atmospheric Humidity Sounding Using Differential Absorption Radar Near 183 GHz

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Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2017.2776078

Abstract: A tunable G-band frequency-modulated continuous-wave radar system has been developed and used to perform differential absorption atmospheric humidity measurements for the first time. The radar’s transmitter uses high- power-handling GaAs Schottky diodes to generate between… read more here.

Keywords: absorption; atmospheric humidity; differential absorption; radar ... See more keywords
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Evaluation of systematic errors for the continuous-wave NO2 differential absorption lidar employing a multimode laser diode.

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Published in 2020 at "Applied optics"

DOI: 10.1364/ao.403659

Abstract: The NO2-differential absorption lidar (NO2-DIAL) technique has been of great interest for atmospheric NO2 profiling. Comprehensive studies on measurement errors in the NO2-DIAL technique are vital for the accurate retrieval of the NO2 concentration. This… read more here.

Keywords: absorption; dial technique; no2 differential; differential absorption ... See more keywords
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Energy calibration of integrated path differential absorption lidars.

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Published in 2018 at "Applied optics"

DOI: 10.1364/ao.57.007501

Abstract: The stringent requirements for energy reference measurement represent a challenging task for integrated path differential absorption lidars to measure greenhouse gas columns from satellite or aircraft. The coherence of the lidar transmitter gives rise to… read more here.

Keywords: path differential; energy; integrated path; differential absorption ... See more keywords
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Development and application of an airborne differential absorption lidar for the simultaneous measurement of ozone and water vapor profiles in the tropopause region.

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Published in 2019 at "Applied optics"

DOI: 10.1364/ao.58.005892

Abstract: A new, combined, lidar system has been developed that is able to simultaneously measure profiles of ozone and water vapor onboard aircraft. The concurrent measurement of these complementary trace species in the upper troposphere and… read more here.

Keywords: lidar; absorption lidar; ozone water; water vapor ... See more keywords
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Atmospheric Mercury Pollution in the Xi’an Area, China, Studied by Differential Absorption Lidar

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Published in 2020 at "Atmosphere"

DOI: 10.3390/atmos12010027

Abstract: Measurements of the atmospheric concentration of polluting atomic mercury were performed using the differential absorption lidar (DIAL) technique in the Lintong district, about 35 km northeast of Xi’an, the capital of the Shaanxi province, China.… read more here.

Keywords: absorption lidar; mercury; differential absorption; china ... See more keywords