Results 11 to 20 of about 2,301,131 (278)

Effect of cosmic rays irradiation on the phase change characteristics of an on-orbit fixed point

European Physical Journal C: Particles and Fields, 2023
Using the phase change characteristics of fixed points to trace the temperature of a spaceborne calibration blackbody is an important technical means to carry out the high-precision on-orbit calibration of thermal infrared remote sensors.
Yiru Chen, Caijuan Xia, Jian Song, Rui-Heng Sima, Jingjing Zhou, Yang Liu, Xiaofeng Tian, Qingxian Zhang, Xiaopeng Hao   +8 more
doaj   +1 more source

Preliminary Selection and Characterization of Pseudo-Invariant Calibration Sites in Northwest China

Remote Sensing, 2020
Pseudo-invariant calibration sites (PICS) have been used for the radiometric calibration and stability monitoring of satellite optical sensors. Several stable PICS, such as those in the Sahara Desert in North Africa, were selected for the vicarious ...
Xiuqing Hu, Ling Wang, Junwei Wang, Lingli He, Lin Chen, Na Xu, Bingcheng Tao, Lu Zhang, Peng Zhang, Naimeng Lu   +9 more
doaj   +1 more source

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

Remote 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, Xiaobing Sun, Rufang Ti, Honglian Huang, Xiao Liu, Haixiao Yu   +5 more
doaj   +1 more source

A PM1.0/2.5/10 Trichotomous Virtual Impactor Based Sampler: Design and Applied to Arid Southwest Aerosols Part I: Design

KONA Powder and Particle Journal, 2013
A PM1.0/2.5/10 Trichotomous sampler has been developed to determine if the particles in the saddle point between the coarse and fine particle modes (specifically the 1.0 μm to 2.5 μm size range) are primarily coarse or fine mode particles.
Virgil Marple, Dale Lundgren, Bernard Olson   +2 more
doaj   +1 more source

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

Remote 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, Xiaobing Sun, Honglian Huang, Rufang Ti, Xiao Liu, Yizhe Fan   +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

Remote 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, Hailiang Shi, Chao Li, Xianhua Wang, Wei Xiong, Yuan An, Yue Wang, Liangchen Liu   +7 more
doaj   +1 more source

Measurement of the energy resolution and calibration of hybrid pixel detectors with GaAs:Cr sensor and Timepix readout chip [PDF]

, 2015
This paper describes an iterative method of per-pixel energy calibration of hybrid pixel detectors with GaAs:Cr sensor and Timepix readout chip. A convolution of precisely measured spectra of characteristic X-rays of different metals with the resolution ...
Bell, S. T., Butler, A. P., Butler, P. H., Chelkov, G. A., Dedovich, D. V., Demichev, M. A., Elkin, V. G., Gostkin, M. I., Kotov, S. A., Kozhevnikov, D. A., Kruchonak, U. G., Nozdrin, A. A., Porokhovoy, S. Yu., Potrap, I. N., Smolyanskiy, P. I., Zakhvatkin, M. M., Zhemchugov, A. S.   +16 more
core   +3 more sources

Study of the Radiochromic Film for High Dose Measurement in Radiation Processing

Journal of Isotopes, 2016
To establish the radiochromic film dosimeter for high dose level measurement during radiation processing, By corresponding formula and its preparation process research, batches of radiochromic film dosimeters were prepared using nylon as substrate and ...
CHEN Yi-zhen, LI Ming, LI Hua-zhi, CHEN Ke-sheng   +3 more
doaj   +1 more source

A Remotely Controlled Calibrator for Chemical Pollutant Measuring-Units [PDF]

, 2007
The increasing diffusion of pollutant measuring units, which are installed over wide areas, along with the short calibration interval of several sensors for pollutant quantities, requires new calibration infrastructures to be developed.
Carullo, Alessio, Corbellini, Simone, Grassini, Sabrina   +2 more
core   +1 more source

Study on a New Label Dosimeter for Radiation Processing

Journal of Isotopes, 2016
In order to monitor the absorbed dose of goods in 60Co γ-rays and electron beams, a new label dosimeter had been developed for dose measurements. The label dosimeter had a multilayer structure, and the core of which was a layer of radiochromic film.
CAI Zhan-fan, CHEN Yi-zhen, YE Hong-sheng, LIN Min   +3 more
doaj   +1 more source