Microwave radiometer calibration using deep learning with reduced reference information and 2-d spectral features

AM Alam, M Kurum, M Ogut… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
The accuracy of geophysical retrievals from radiometers relies on calibration quality,
encompassing both absolute radiometric accuracy and spectral consistency. Radiometers …

500–2000-MHz brightness temperature spectra of the northwestern greenland ice sheet

KC Jezek, JT Johnson, S Tan, L Tsang… - … on Geoscience and …, 2017 - ieeexplore.ieee.org
An ultra-wideband radiometer has been developed to measure subsurface properties of the
cryosphere including ice sheets and sea ice. The radiometer measures brightness …

Evaluation of the tau-omega model over bare and wheat-covered flat and periodic soil surfaces at P-and L-band

X Shen, JP Walker, N Ye, X Wu, F Brakhasi… - Remote Sensing of …, 2022 - Elsevier
It has been over ten years since the successful launch of the first-ever dedicated satellite for
global soil moisture monitoring; Soil Moisture and Ocean Salinity (SMOS). Looking towards …

Studies of sea-ice thickness and salinity retrieval using 0.5–2 GHz microwave radiometry

O Demir, JT Johnson, KC Jezek… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Arctic sea-ice thickness and salinity retrievals are simulated to explore the performance of
nadir-observing microwave radiometry operating with up to 16 frequency channels in the 0.5 …

Remote sensing of sea ice thickness and salinity with 0.5–2 GHz microwave radiometry

KC Jezek, JT Johnson, O Demir… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
An ultrawideband radiometer was used to measure microwave brightness temperature
spectra over Arctic sea ice in the Lincoln Sea near the north coast of Greenland. Spectra …

Measurements of 540–1740 MHz brightness temperatures of sea ice during the winter of the MOSAiC campaign

O Demir, JT Johnson, KC Jezek… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
A ground-based ultra-wideband radiometer operating at 540, 900, 1380, and 1740 MHz was
used to measure microwave thermal emissions from an Arctic sea ice floe as part of the …

Passive Microwave Remote Sensing of the Antarctic Ice Sheet: Retrieval of Firn Properties Near the Concordia Station

R Kar, M Aksoy - IEEE Geoscience and Remote Sensing …, 2023 - ieeexplore.ieee.org
This letter discusses the retrieval of important thermal and physical properties of the
Antarctic firn via spaceborne microwave radiometry focusing on the Concordia station …

[HTML][HTML] Antarctic firn characterization via wideband microwave radiometry

R Kar, M Aksoy, D Kaurejo, P Atrey, JA Devadason - Remote Sensing, 2022 - mdpi.com
Recent studies have demonstrated that wideband microwave radiometers provide
significant potential for profiling important subsurface polar firn characteristics necessary to …

A comprehensive emission model for layered irregular and inhomogeneous medium

D Bai, X Dong, S Tjuatja, D Zhu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reported radiometric measurements indicate that incoherent and coherent radiative transfer
processes characterize the microwave emission features of layered irregular and …

A multi-dimensional radio frequency interference detection algorithm for microwave radiometry

M Aksoy, IM Nazar - IGARSS 2022-2022 IEEE International …, 2022 - ieeexplore.ieee.org
In this paper, a revised version of a previously introduced radio frequency interference (RFI)
detection technique based on a Support Vector Machine (SVM) algorithm is discussed and …