Results 21 to 30 of about 69,714 (169)

Microwave Observations of Venus with CLASS

The Planetary Science Journal, 2023
We report on the disk-averaged absolute brightness temperatures of Venus measured at four microwave frequency bands with the Cosmology Large Angular Scale Surveyor.
Sumit Dahal, Michael K. Brewer, Alex B. Akins, John W. Appel, Charles L. Bennett, Ricardo Bustos, Joseph Cleary, Jullianna D. Couto, Rahul Datta, Joseph Eimer, Thomas Essinger-Hileman, Jeffrey Iuliano, Yunyang Li, Tobias A. Marriage, Carolina Núñez, Matthew A. Petroff, Rodrigo Reeves, Karwan Rostem, Rui Shi, Deniz A. N. Valle, Duncan J. Watts, Janet L. Weiland, Edward J. Wollack, Zhilei Xu   +23 more
doaj   +1 more source

Intrinsic brightness temperatures of blazar jets at 15 GHz

EPJ Web of Conferences, 2013
We have developed a new Bayesian Markov Chain Monte Carlo method to deconvolve light curves of blazars into individual flares, including proper estimation of the fit errors.
Hovatta Talvikki, Leitch Erik M., Homan Daniel C., Wiik Kaj, Lister Matthew L., Max-Moerbeck Walter, Richards Joseph, L., Readhead Anthony C. S.   +7 more
doaj   +1 more source

SMOS Brightness Temperature Monitoring Quality Control Review and Enhancements

Remote Sensing, 2021
Brightness temperature (Tb) observations from the European Space Agency (ESA) Soil Moisture Ocean Salinity (SMOS) instrument are passively monitored in the European Centre for Medium-range Weather Forecasts (ECMWF) Integrated Forecasting System (IFS ...
Peter Weston, Patricia de Rosnay
doaj   +1 more source

Analysis of observation characteristic of FY-3 microwave hygrometer during an extreme short-term heavy precipitation process

暴雨灾害, 2020
Based on data of FY-3 satellite microwave hygrometer and conventional observation, microwave observational characteristics of convective clouds during a heavy precipitation event from Giuzhou to Hubei province in 2016 were analyzed. The results show that
Pingping ZHANG, shuangzhu XU, Liangpeng DONG, Mengmeng ZHANG   +3 more
doaj   +1 more source

AVALIAÇÃO DO EFEITO DAS VARIÁVEIS DE PROCESSO NO BRANQUEAMENTO DE POLPA CELULÓSICA COM PERÓXIDO DE HIDROGÊNIO

Ciência Florestal, 2018
The bleached pulp market has been working to provide brightness levels at values of 92% ISO respecting, however, environmental standards and seeking for less aggressive processes.
Camila Juliane Marcondes, Gustavo Ventorim, Rafael dos Santos, Felipo Augusto Pereira   +3 more
doaj   +1 more source

Multi-Parameter Regularization Method for Synthetic Aperture Imaging Radiometers

Remote Sensing, 2021
Synthetic aperture imaging radiometers (SAIRs) are powerful passive microwave systems for high-resolution imaging by use of synthetic aperture technique.
Xiaocheng Yang, Zhenyi Yang, Jingye Yan, Lin Wu, Mingfeng Jiang   +4 more
doaj   +1 more source

Retrievals of All-Weather Daily Air Temperature Using MODIS and AMSR-E Data

Remote Sensing, 2014
Satellite optical-infrared remote sensing from the Moderate Resolution Imaging Spectroradiometer (MODIS) provides effective air temperature (Ta) retrieval at a spatial resolution of 5 km.
Keunchang Jang, Sinkyu Kang, John S. Kimball, Suk Young Hong   +3 more
doaj   +1 more source

Brightness-Temperature Retrieval Methods in Synthetic Aperture Radiometers [PDF]

IEEE Transactions on Geoscience and Remote Sensing, 2009
Bightness-temperature retrieval techniques for synthetic aperture radiometers are reviewed. Three different approaches to combine measured visibility and antenna temperatures, along with instrument characterization data, into a general equation to invert are presented.
Corbella Sanahuja, Ignasi, Torres Torres, Francisco, Camps Carmona, Adriano José, Duffo Ubeda, Núria, Vall-Llossera Ferran, Mercedes Magdalena   +4 more
openaire   +3 more sources

CGAN Based Improved ASI Retrieval Algorithm for Antarctic Sea Ice Concentration

Frontiers in Marine Science, 2022
Sea ice change is closely related to the change of global atmosphere and ocean circulation, which plays an important role in the study of global climate change.
Xingdong Wang, Yue Zhao, Shuhui Yang, Yuhua Wang, Donghui Shangguan   +4 more
doaj   +1 more source

A novel soil moisture evaluation framework incorporating brightness temperature and a high-resolution 1 km summer brightness temperature dataset

GIScience & Remote Sensing
Accurate estimation of soil moisture (SM) is essential for various hydrological, meteorological, agricultural, and ecological applications. However, evaluating SM on a global scale remains challenging due to the limited availability of in-situ ...
Ziyue Zhu, Runze Zhang, Bin Fang, Hyunglok Kim, Hoang Hai Nguyen, Venkataraman Lakshmi   +5 more
doaj   +1 more source