Results 271 to 280 of about 4,508,086 (298)

Cross-Calibration Between QuikSCAT and Oceansat-2

IEEE Transactions on Geoscience and Remote Sensing, 2014
This paper presents the procedure to perform cross-calibration of radar backscatter between the QuikSCAT and Oceansat-2 ocean wind scatterometers. Both QuikSCAT and Oceansat-2 are Ku-band dual pencil beam, rotating antenna scatterometers with similar design.
Sermsak Jaruwatanadilok, Bryan W. Stiles, Alexander G. Fore   +2 more
openaire   +2 more sources

Cross-Calibration of Terra and Aqua MODIS Using RadCalNet

IEEE Geoscience and Remote Sensing Letters, 2021
Moderate Resolution Imaging Spectroradiometer (MODIS) instruments onboard the Terra and Aqua spacecraft have been successfully operating for nearly two decades and providing complementary observations of the Earth’s land, ocean, and atmosphere. Although the two MODIS instruments view the entire Earth’s surface once every 2–3 days, simultaneous views ...
Amit Angal, Xiaoxiong Xiong, Kurtis J. Thome, Brian N. Wenny   +3 more
openaire   +1 more source

OCO/GOSAT Preflight Cross-Calibration Experiment

IEEE Transactions on Geoscience and Remote Sensing, 2010
The Orbiting Carbon Observatory (OCO) by NASA's Jet Propulsion Laboratory (JPL) and Greenhouse gases Observing SATellite (GOSAT) by JAXA were built to provide independent measures of the global distributions of carbon dioxide (CO2) from space. GOSAT achieved a successful orbit on January 23, 2009, and OCO failed its launch attempt on February 24, 2009.
Fumihiro Sakuma, Carol J. Bruegge, David M. Rider, David Brown, Sven Geier, Shuji Kawakami, Akihiko Kuze   +6 more
openaire   +2 more sources

A reflectance-based cross calibration of the Landsat sensors

Earth Observing Systems XXII, 2017
First launched in 1972, the Landsat satellite sensors have provided the longest continuous record of high quality images of the Earth’s surface that are used in both civilian and military applications. Extraction of quantitative information (e.g., surface reflectance) from the Landsat image data is only possible through an accurate absolute radiometric
Cibele Teixeira Pinto, Sandeep Chittimalli, Larry Leigh, Timothy A. Ruggles, Dennis L. Helder   +4 more
openaire   +2 more sources

A Method for Cross Calibrating Particle Counters

Journal of the IEST, 1986
A system for generating participate air contamination standards of known size distribution and concentration was developed and used to determine the accuracy of several optical particle counters (OPCs) for the measurement of paniculate air contamination. Of particular concern was the substantial instrument-to-instrument variability of up to a factor of
Barton Dahneke, Bradley Johnson
openaire   +1 more source

On the cross calibration of calorimeters at ep colliders

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1993
Abstract It is demonstrated that the comparison of cross sections measured in inclusive deep inelastic electron-proton scattering with electrons and hadrons only can be utilized to recognize or even determine the size of absolute energy miscalibration of electromagnetic and hadronic calorimeters.
Blümlein, J., Klein, M.
openaire   +2 more sources

Cross Calibration of DXA as Part of an Equipment Replacement Program

Journal of Clinical Densitometry, 2006
The purpose of this study was to develop cross calibrations when replacing three dual-energy X-ray absorptiometers (GE Lunar DPXL [Madison, WI], DPXL, GE Lunar Expert [Madison, WI], Expert, Hologic QDR2000 [Waltham, MA]) with two new GE Lunar Prodigy instruments.
Derek, Pearson, Barbara, Horton, Desmond J, Green   +2 more
openaire   +2 more sources

Cross-calibration of ionization chambers in proton and carbon beams

Physics in Medicine and Biology, 2004
The calibration coefficients of a parallel plate ionization chamber are examined by comparing the coefficients obtained through three methods: a calculation from a 60Co calibration coefficient, N(D, omega, 60Co), a cross-calibration of a parallel plate ionization chamber using a cylindrical ionization chamber at the plateau region of a mono-energetic ...
Tatsuaki, Kanai, Akifumi, Fukumura, Yohsuke, Kusano, Munefumi, Shimbo, Teiji, Nishio   +4 more
openaire   +2 more sources

Cross Calibration Report

Polymer surfaces are characterized using darkfield, atomic force and confocal microscopy. All three methods are cross calibrated using a common surface topography.
openaire   +1 more source

Preflight cross-calibration activities at NRLM

Advances in Space Research, 1999
Abstract Many satellites have been and will be launched recently for monitoring the Earth-wide circumstances such as the greenhouse effect. The preflight calibration of the satellite radiometers is the key to obtain the high quality data and to analyze the physical quantity precisely.
openaire   +1 more source