A combined passive–active microwave retrieval of ocean surface wind speed from SARAL-AltiKa microwave radar altimeter and radiometer
Sign Up to like & getrecommendations! 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
A low noise stable radiometer front-end for passive microwave tissue thermometry
Sign Up to like & getrecommendations! 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
Optimized Thermal Compensation Method Using Clustering and Drifted Response Stability for Total Power Radiometer Calibration
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Band Sampling Beam Formation Principle and Two-Element Band Sampling 1-D Imaging Microwave Radiometer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3071558
Abstract: How to provide L-band 1-km spatial resolution with radiometer at 800-km height with acceptable cost is a question still being explored. This article proposes a two-element band sampling 1-D imaging microwave radiometer. The band sampling… read more here.
Keywords: two element; radiometer; element band; band ... See more keywords
Environmental Effects on Brightness Temperature Observation From an L-Band Radiometer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3215937
Abstract: Measuring the microwave brightness temperature (TB) using a radiometer is important for estimating soil moisture (SM). However, no study has demonstrated the effect of environmental conditions on these measurements. With this technology being explored for… read more here.
Keywords: band; environment; correction equation; brightness temperature ... See more keywords
An In-Flight Recalibration for Chang’E-1 and E-2 Microwave Radiometer Datasets Based on Highland Thermophysical Models
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3125714
Abstract: The Chang’E-1 and E-2 (CE-1 and CE-2) orbital sounders provided high-resolution global maps of lunar microwave brightness temperatures (TBs) at wavelengths of 0.8, 1.55, 3.85, and 10 cm covering approximately two years of data over… read more here.
Keywords: recalibration; chang; flight recalibration; radiometer ... See more keywords
Soil Salinity Dynamics Impairs Radiometer-based Soil Moisture Retrieval Over Global Cropland
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3181586
Abstract: Soil salt affects microwave radiometer observations in a similar way to soil moisture (SM). Without consideration of soil salt, the quality of radiometer-based SM products might be impaired. This study explores the magnitude, frequency dependence,… read more here.
Keywords: band; soil moisture; radiometer; soil salinity ... See more keywords