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   Articles with "radiometer" as a keyword



A combined passive–active microwave retrieval of ocean surface wind speed from SARAL-AltiKa microwave radar altimeter and radiometer

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recommendations! Published in 2018 at "Meteorology and Atmospheric Physics"

DOI: 10.1007/s00703-018-0631-4

Abstract: SARAL (Satellite with Argos and AltiKa) is the first satellite radar altimetry mission to fly a Ka-band instrument (AltiKa), which has completed 5 years in orbit on 25th February 2018. Ka-band SARAL-AltiKa suffers larger signal attenuation… read more here.

Keywords: radar; speed; microwave; wind speed ... See more keywords

Automatic detection and tracking polar lows from synthetic aperture radar and radiometer observations

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recommendations! Published in 2024 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2024.2367172

Abstract: ABSTRACT Polar lows are small, high-latitude, intense maritime cyclones and frequently have severe impacts on the ocean such as strong winds, high waves and heavy rainfall. They are difficult to observe and forecast due to… read more here.

Keywords: synthetic aperture; polar lows; radiometer observations; radiometer ... See more keywords

A low noise stable radiometer front-end for passive microwave tissue thermometry

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recommendations! Published in 2019 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2019.1576063

Abstract: ABSTRACT A low noise, high gain, stable radiometer front-end is presented for non-invasive tissue thermometry using custom designed narrow band low noise amplifiers (LNAs) and band pass filter (BPF) with 1.3 GHz centre frequency and − 20 dB pass… read more here.

Keywords: low noise; band; front end; radiometer ... See more keywords

A GaAs MMIC Correlation-Dicke Radiometer With Compact Antenna for Internal Body Thermometry

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recommendations! Published in 2025 at "IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology"

DOI: 10.1109/jerm.2024.3525405

Abstract: In this paper, we present a 1.4 GHz on-chip correlation-Dicke hybrid radiometer designed for internal body thermometry. The GaAs Monolithic Microwave Integrated Circuit (MMIC) measures 3.8 mm by 2.3 mm and includes two 90° hybrid… read more here.

Keywords: internal body; body thermometry; correlation dicke; radiometer ... See more keywords

Optimized Thermal Compensation Method Using Clustering and Drifted Response Stability for Total Power Radiometer Calibration

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recommendations! Published in 2017 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2016.2636905

Abstract: Radiometer calibration using a compensation method based on temperature drift under a variety of environmental conditions can be used for airborne applications because of limitations on weight and power. Accordingly, the observation of the variation… read more here.

Keywords: temperature; response; method; radiometer ... See more keywords

Ultra-High-Performance C- and L-Band Radiometer System for Future Spaceborne Ocean Missions

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recommendations! Published in 2019 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2019.2894846

Abstract: A next-generation real-aperture spaceborne radiometer system for high-quality ocean measurements is discussed. Instead of illuminating the antenna reflector by a classical feed array of horn antennas in a one-feed-per-beam configuration, a multi-feed-per-beam configuration is chosen.… read more here.

Keywords: radiometer; ultra high; beam; radiometer system ... See more keywords

Instrument Design and Performance of the High-Frequency Airborne Microwave and Millimeter-Wave Radiometer

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recommendations! Published in 2019 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2019.2949590

Abstract: The high-frequency airborne microwave and millimeter-wave radiometer (HAMMR) is a cross-track scanning airborne radiometer instrument with 25 channels from 18.7 to 183.3 GHz. HAMMR includes: low-frequency microwave channels at 18.7, 23.8, and 34.0 GHz at… read more here.

Keywords: high frequency; radiometer; frequency; millimeter wave ... See more keywords

Completion of the AMR-C Instrument for Sentinel-6

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recommendations! Published in 2020 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2020.2991175

Abstract: The advanced microwave radiometer-climate quality (AMR-C) is a part of the European Sentinel-6A/B series, a collaboration between ESA and NASA, of two Earth-observing satellites, which will be launched in 2020 and 2025. Compared to its… read more here.

Keywords: amr instrument; instrument sentinel; radiometer; completion amr ... See more keywords

Analysis of Nonstationary Radiometer Gain Using Ensemble Detection

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recommendations! Published in 2020 at "IEEE journal of selected topics in applied earth observations and remote sensing"

DOI: 10.1109/jstars.2020.2993765

Abstract: Radiometer gain is generally a nonstationary random process, even though it is assumed to be strictly or weakly stationary. Since the radiometer gain signal cannot be observed independently, analysis of its nonstationary properties would be… read more here.

Keywords: analysis nonstationary; radiometer gain; radiometer; process ... See more keywords

SDR-Based Dual Polarized L-Band Microwave Radiometer Operating From Small UAS Platforms

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recommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2024.3394054

Abstract: Passive microwave remote sensing is a vital tool for acquiring valuable information regarding the Earth's surface, with significant applications in agriculture, water management, forestry, and various environmental disciplines. Precision agricultural (PA) practices necessitate the availability… read more here.

Keywords: pol; dual polarized; band microwave; surface ... See more keywords

Validation of Sea Surface Winds From the Space-Borne Radiometer COWVR

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recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3564966

Abstract: This study aims to validate sea surface wind data derived from the compact ocean wind vector radiometer (COWVR) onboard the International Space Station. The COWVR, a fully polarimetric and two-look microwave radiometer, provides wind direction… read more here.

Keywords: wind; cowvr; radiometer; sea surface ... See more keywords