Results 1 to 10 of about 574,310 (120)

Aerosol Retrieval Study from a Particulate Observing Scanning Polarimeter Onboard Gao-Fen 5B without Prior Surface Knowledge, Based on the Optimal Estimation Method

open access: yesRemote Sensing, 2023
To meet the demand for the aerosol detection of single-angle and multi-band polarization instrument containing short-wave infrared bands, an inversion algorithm that makes full use of multi-band intensity and polarization information is proposed based on
Yizhe Fan   +5 more
doaj   +1 more source

Study on Influencing Factors of the Information Content of Satellite Remote-Sensing Aerosol Vertical Profiles Using Oxygen A-Band

open access: yesRemote Sensing, 2023
Aerosol vertical distribution is decisive and hard to be constrained. It is of great significance for the study of atmospheric climate and environment.
Yuxuan Wang   +5 more
doaj   +1 more source

A Coupled BRDF CO2 Retrieval Method for the GF-5 GMI and Improvements in the Correction of Atmospheric Scattering

open access: yesRemote Sensing, 2022
The Greenhouse Gases Monitoring Instrument (GMI), on board the Chinese Gaofen-5 (GF-5) satellite, provides rich observation data for the global remote sensing of atmospheric CO2.
Hanhan Ye   +7 more
doaj   +1 more source

High-Precision Automatic Calibration Modeling of Point Light Source Tracking Systems

open access: yesSensors, 2021
To realize high-precision and high-frequency unattended site calibration and detection of satellites, automatic direction adjustment must be implemented in mirror arrays.
Ruijin Li   +6 more
doaj   +1 more source

High Accuracy Solar Diffuser BRDF Measurement for On-Board Calibration in the Solar Reflective Band

open access: yesRemote Sensing, 2023
In the solar reflective band, an on-board calibration method based on a solar diffuser (SD) can realize full aperture, full field of view, and end-to-end absolute radiometric calibration of optical remote sensors.
Zhiyuan Zhang   +4 more
doaj   +1 more source

Enhancing Laser Damage Resistance of Co2+:MgAl2O4 Crystal by Plasma Etching

open access: yesApplied Sciences, 2023
Co2+:MgAl2O4 crystals are successfully used as passive Q-switches within the cavity of erbium glass lasers. Their limited resistance to laser radiation might also put constraints on the generated output peak power.
Giedrius Abromavičius   +2 more
doaj   +1 more source

Experimental determination of activity interaction coefficients of components in Si-B-Fe and Si-B-Al ternary systems at 1723 K [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2020
The interactions among impurity components in Si-based solution are the important thermodynamic parameters for the purification of silicon materials. A “same concentration” method was used to determine the activity interaction coefficients of Fe to B and
Yang F.   +4 more
doaj   +1 more source

An Improved Vicarious Calibration Method Based on Multi-Grayscale Targets

open access: yesRemote Sensing, 2022
Vicarious calibration is a well-developed method for electro-optical (EO) sensor calibration that has been used since the early 1980s. The radiometric calibration of reflectance solar band is mainly applied to reflection inversion.
Shiwei Bao   +10 more
doaj   +1 more source

Formulation and Evaluation of Amikacin Sulfate Loaded Dextran Nanoparticles against Human Pathogenic Bacteria

open access: yesPharmaceutics, 2023
Amikacin sulfate-loaded dextran sulfate sodium nanoparticles were formulated, lyophilized (LADNP), and then analyzed. The LADNP had a −20.9 ± 8.35 mV zeta potential, PDI of 0.256, and % PDI of 67.7. The zeta average nano size of LADNP was 317.9 z.
Rahamat Unissa Syed   +9 more
doaj   +1 more source

Vicarious Radiometric Calibration of Ocean Color Bands for FY-3D/MERSI-II at Lake Qinghai, China

open access: yesSensors, 2020
To calibrate the low signal response of the ocean color (OC) bands and test the stability of the Fengyun-3D (FY-3D)/Medium Resolution Spectral Imager II (MERSI-II), an absolute radiometric calibration field test of FY-3D/MERSI-II at the Lake Qinghai ...
Shengli Chen   +5 more
doaj   +1 more source

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