Results 21 to 30 of about 33,686 (258)
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023 Radio frequency interference (RFI) is a serious threat to the accurate estimation of critical geophysical parameters via passive microwave remote sensing and the presence of RFI in microwave radiometer measurements is increasing over time.
Imara Mohamed Nazar, Mustafa Aksoy
doaj +1 more source
Assessment of the total precipitable water from a sun photometer, microwave radiometer and radiosondes at a continental site in southeastern Europe [PDF]
Atmospheric Measurement Techniques, 2019 In this study, we discuss the differences in the total precipitable water (TPW), retrieved from a Cimel sun photometer operating at a continental site in southeast Europe, between version 3 (V3) and version 2 (V2) of the AErosol RObotic NETwork (AERONET)
K. Fragkos +8 more
doaj +1 more source
Feasibility study on application of microwave radiometry to monitor contamination level on insulator materials [PDF]
, 2016 This paper introduces a novel method for monitoring contamination levels on high voltage insulators based on microwave radiometry. Present contamination monitoring solutions for high voltage insulators are only effective in predicting flashover risk when
Jiang, Y. +5 more
core +2 more sources
Climate-Quality Calibration for Low Earth-Orbit Microwave Radiometry
Remote Sensing, 2020 Improvements in radiometric calibration are needed to achieve the desired accuracy and stability of satellite-based microwave-radiometer observations intended for the production of climate data records.
Philip W. Rosenkranz +2 more
doaj +1 more source
Relative humidity vertical profiling using lidar-based synergistic methods in the framework of the Hygra-CD campaign [PDF]
, 2018 Accurate continuous measurements of relative hu- midity (RH) vertical profiles in the lower troposphere have become a significant scientific challenge. In recent years a synergy of various ground-based remote sensing instru- ments have been successfully ...
Baldasano Recio, José María +4 more
core +2 more sources
Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer [PDF]
Earth System Science Data, 2013 This paper presents mesospheric carbon monoxide (CO) data acquired by the ground-based microwave radiometer of the British Antarctic Survey (BAS radiometer) stationed at Troll station in Antarctica (72° S, 2.5° E, 1270 m a.s.l.).
C. Straub +3 more
doaj +1 more source
The Use of Cryogenic HEMT Amplifiers in Wide Band Radiometers [PDF]
, 2000 Advances in device fabrication, modelling and design techniques have made wide band, low noise cryogenic amplifiers available at frequencies up to 106 GHz. Microwave radiometry applications as used in radio astronomy capitalize on the low noise and large
Jarosik, Norman
core +1 more source
EPJ Web of Conferences, 2016 In this paper, we present a method to retrieve continuous water vapor profiles from a combination of a Raman lidar and a microwave radiometer. The integrated water vapor from the microwave radiometer is used to calibrate the Raman lidar operationally ...
Foth Andreas +3 more
doaj +1 more source
Spaceborne High Precision Sea Surface Salinity Remote Sensing by Interferometric Radiometry
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 The global sea surface salinity (SSS) can be accomplished by means of the L-band microwave radiometers from space, such as European Space Agency's SMOS (soil moisture and ocean salinity) and NASA's Aquarius/SAC-D.
Yinan Li +8 more
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Forest transmissivity is a key parameter for understanding spaceborne and airborne observations of the Earth's land surface because not only does it influences the proportion of subcanopy upwelling microwave emission penetrating through the forest canopy,
Qinghuan Li +3 more
doaj +1 more source