Joel T. Johnson

Orcid: 0000-0002-6921-6059

According to our database1, Joel T. Johnson authored at least 265 papers between 1993 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

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Bibliography

2024
Facilitating Spectrum Sharing With Passive Satellite Incumbents.
IEEE J. Sel. Areas Commun., December, 2024

Wildfire Threshold Detection and Progression Monitoring Using an Improved Radar Vegetation Index in California.
Remote. Sens., August, 2024

Active and Passive Microwave Remote Sensing of Priestley Glacier, Antarctica.
IEEE Trans. Geosci. Remote. Sens., 2024

L-Band Full-Wave Simulations of the Effective Permittivity of Bi/Tri-Continuous Media With Applications to Firn Aquifer in Polar Regions and Terrestrial Wet Snow.
IEEE Trans. Geosci. Remote. Sens., 2024

NISAR Time-Series Ratio Algorithm for Soil Moisture Retrieval: Prelaunch Evaluation With SMAPVEX12 Field Campaign Data.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

Soil Moisture Retrieval Using CYGNSS Data in a Time-Series Ratio Method: Progress Update and Error Analysis, Part II.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

Impacts of Spaceborne GNSS-R System Observations on Storm Surge Prediction: A Hurricane Harvey Case Study Using CYGNSS Full DDM Downlinks.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

Ocean Wave Period Measurements Using S-Band Signals of Opportunity Reflections.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

Reservoir Water Level Monitoring Using CYGNSS's Level-1 Observations.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

An Analysis of a Commercial GNSS-R Soil Moisture Dataset.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

A Study of the Kirchhoff Approximation for the Coherent Reflection Coefficient of a 1-D Perfectly Conducting Rough Surface.
IEEE Geosci. Remote. Sens. Lett., 2024

Modeling Soil Moisture Retrieval Errors in the Time-Series Ratio Method.
IEEE Geosci. Remote. Sens. Lett., 2024

Simulating 0.4-2.5 GHz Brightness Temperatures of the Ross Ice Shelf, Antarctica.
IEEE Geosci. Remote. Sens. Lett., 2024

Impact of Spectral Spreading Functions on Modeling the Sea Backscatter Cross Section at Microwave Frequencies.
Proceedings of the IGARSS 2024, 2024

Remote Sensing Earth's Cryosphere with 0.5-2.0 Ghz Microwave Radiometry: Recent Updates.
Proceedings of the IGARSS 2024, 2024

Simulations of Ocean Surface Bistatic Doppler Spectra with the Small Slope Approximation.
Proceedings of the IGARSS 2024, 2024

A Study of the Second Order Small Slope Approximation for L-Band Backscattering from Soil Surfaces.
Proceedings of the IGARSS 2024, 2024

Estimating the Retrieval Performance of Passive Remote Sensing Under Alternate Spectrum Sharing Scenarios.
Proceedings of the IGARSS 2024, 2024

Spectrum Sharing between Earth Exploration Satellite and Commercial Services: An Economic Feasibility Analysis.
Proceedings of the IEEE International Symposium on Dynamic Spectrum Access Networks, 2024

2023
Radio Dynamic Zones: Motivations, Challenges, and Opportunities to Catalyze Spectrum Coexistence.
IEEE Commun. Mag., June, 2023

Sea Surface Scattering Observations and Predictions Using Satellite-Based S-Band Signals-of-Opportunity.
IEEE Trans. Geosci. Remote. Sens., 2023

Efficient Calculation of the Kirchhoff Integral for Predicting the Bistatic Normalized Radar Cross Section of Ocean-Like Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2023

Using Lidar Digital Elevation Models for Reflectometry Land Applications.
IEEE Trans. Geosci. Remote. Sens., 2023

Joint Active and Passive Microwave Thermometry of Ice Sheets.
IEEE Trans. Geosci. Remote. Sens., 2023

Using Synthetic Cyclone Models for High Wind GNSS-R Calibration, Validation, and Algorithm Development: A CYGNSS Case Study.
IEEE Trans. Geosci. Remote. Sens., 2023

Toward Internal Ice-Sheet Temperature Retrieval Using Microwave Radiometry and Simplified Ice-Flow Models.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023

First Results from Mapperr: The Multi-Frequency Active Passive Polar Exploration Radar-Radiometer.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023

2022
Greenland Ice Sheet Subsurface Temperature Estimation Using Ultrawideband Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2022

Relationships Between L-Band Brightness Temperature, Backscatter, and Physical Properties of the Ross Ice Shelf Antarctica.
IEEE Trans. Geosci. Remote. Sens., 2022

Significant Wave Height and Bistatic Doppler Signals of Microwave Scattering From the Ocean Surface: With Emphasis on the Swell Factor.
IEEE Trans. Geosci. Remote. Sens., 2022

Feasibility of Estimating Ice Sheet Internal Temperatures Using Ultra-Wideband Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2022

Studies of Sea-Ice Thickness and Salinity Retrieval Using 0.5-2 GHz Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2022

Measurements of 540-1740 MHz Brightness Temperatures of Sea Ice During the Winter of the MOSAiC Campaign.
IEEE Trans. Geosci. Remote. Sens., 2022

Intercomparison of Electromagnetic Scattering Models for Delay-Doppler Maps Along a CYGNSS Land Track With Topography.
IEEE Trans. Geosci. Remote. Sens., 2022

Properties of the 500-2000-MHz RFI Environment Observed in High-Latitude Airborne Radiometer Measurements.
IEEE Trans. Geosci. Remote. Sens., 2022

Neural Network-Based Control of an Adaptive Radar.
IEEE Trans. Aerosp. Electron. Syst., 2022

Fully Adaptive Radar for Multiple Target Tracking.
IEEE Trans. Aerosp. Electron. Syst., 2022

Physics-Based Forward Modeling of Ocean Surface Swell Effects on SMAP L1-C NRCS Observations.
Sensors, 2022

Radar Backscattering of Rough Soil Surfaces From L-Band to Ku-Band With NMM3D.
IEEE Geosci. Remote. Sens. Lett., 2022

Diurnal Variations in Ocean Wind Speeds Measured by CYGNSS and Other Satellites.
IEEE Geosci. Remote. Sens. Lett., 2022

A Comparison of Bistatic and Monostatic Radar Images of 1-D Perfectly Conducting Rough Surfaces.
IEEE Geosci. Remote. Sens. Lett., 2022

A Simulation Study of Significant Wave Height Retrieval From Bistatic Scattering of Signals of Opportunity.
IEEE Geosci. Remote. Sens. Lett., 2022

500-2000-MHz Airborne Brightness Temperature Measurements Over the East Antarctic Plateau.
IEEE Geosci. Remote. Sens. Lett., 2022

Soil Moisture Retrievals Using CYGNSS Data in a Time-Series Ratio Method: Progress Update and Error Analysis.
IEEE Geosci. Remote. Sens. Lett., 2022

A Study of Dome-C Ice Sheet Parameter Estimation Using 0.5-2 GHz Ultra-Wideband Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

P and L Band Reflectometry Modelling Based on Analytical Kirchhoff Solutions (AKS) with Land Surface Lidar Data.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

The Impact of Firn Models on Ultrawideband Brightness Temperatures in the Partially Coherent Model.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

A Study of the Relationship Between Surface Roughness and GNSS-R Coherent Returns Over Land.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Wideband Radiometric Signatures of Snow Pack in the Keweenaw Peninsula, Michigan, During the Winter of 2021-22.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Time-Series Ratio Algorithm for Nisar Soil Moisture Retrieval.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

IMPACT OF CYGNSS LEVEL-2 DERIVED WIND FIELDS ON STORM SURGE MODELING.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

On the Cutoff Wavenumber in the Geometrical Optics Theory of Near Specular Scattering from the Sea Surface.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Progress in Time-Series Soil Moisture Retrieval Using L- and S-Band Radar Backscatter.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Simulation Study of a Probabilistic Measurement Terminator for cloud Radar Systems using Cloudsat data.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Ice Sheet Melt Water Profile Mapping Using Multi-Frequency Microwave Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Quantifying the Complimentary Sensitivities of Active and Passive Microwave Measurements to Ice-Sheet Thermal Signatures.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Analysis of LIDAR Digital Elevation Models to Support CYGNSS CAL/VAL Activities.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Modeling the Errors of a Time Series Algorithm for Retrieving Soil Moisture in the NISAR Mission.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Monitoring The L-Band RFI Environment: Tracking RFI Sources Observed by Smap.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Towards a Unified Framework for Scattering Models at Microwave and Optical Wavelengths: The Bispinorial Description of Polarization States.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

2021
A Partially Coherent Approach for Modeling Polar Ice Sheet 0.5-2-GHz Thermal Emission.
IEEE Trans. Geosci. Remote. Sens., 2021

Electromagnetic Scattering and Emission From Large Rough Surfaces With Multiple Elevations Using the MLSD-SMCG Method.
IEEE Trans. Geosci. Remote. Sens., 2021

An Algorithm for Detecting Coherence in Cyclone Global Navigation Satellite System Mission Level-1 Delay-Doppler Maps.
IEEE Trans. Geosci. Remote. Sens., 2021

Inland Water Body Mapping Using CYGNSS Coherence Detection.
IEEE Trans. Geosci. Remote. Sens., 2021

Evaluation of Surface Melt on the Greenland Ice Sheet Using SMAP L-Band Microwave Radiometry.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Microwave Radiometry at Frequencies From 500 to 1400 MHz: An Emerging Technology for Earth Observations.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Properties of the RFI Environment at 1400-1427 MHz as Observed by the Soil Moisture Active/Passive Mission Microwave Radiometer.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Mapping the Dynamics of the South Asian Monsoon Using CYGNSS's Level-1 Signal Coherency.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Matched Filter Cyclone Maximum Wind Retrievals Using CYGNSS: Progress Update and Error Analysis.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Studies of a Rapid Change Detector Using CYGNSS Level-2 Wind Speed Products.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

The IEEE-SA Working Group on Spaceborne GNSS-R: Scene Study.
IEEE Access, 2021

Limits on Antarctic Ice Sheet Temperature Estimation using 0.5-2 GHz Ultra-Wideband Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Snowpack Remote Sensing using Wideband Long-Wavelength Microwave Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Soil Moisture Retrieval using a Time-Series Ratio Algorithm for the Nisar Mission.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Time-Series Soil Moisture Retrieval Using S-Band Backscatter Measurements from the SMEX02 Campaign.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Studies of the Retrieval of Sea Ice Thickness and Salinity with Wideband Microwave Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Intercomparison of Models for CYGNSS Delay-Doppler Maps at a Validation Site in the San Luis Valley of Colorado.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Measuring Englacial Temperatures with a Combined Radar-Radiometer.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Studies of Terrain Surface Roughness and its Effect on GNSS-R Systems Using Airborne Lidar Measurements.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

Analyzing the Radio Frequency Interference Environment at Cal/Val Site Locations for the Soil Moisture Active/Passive (SMAP) Mission.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

A Study of Front End Architectures for the PolarRad 0.5-2 GHZ Microwave Radiometer.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020
Real-Time Detection and Filtering of Radio Frequency Interference Onboard a Spaceborne Microwave Radiometer: The CubeRRT Mission.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020

Track-Based Cyclone Maximum Wind Retrievals Using the Cyclone Global Navigation Satellite System (CYGNSS) Mission Full DDMs.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020

Geolocation, Calibration and Surface Resolution of CYGNSS GNSS-R Land Observations.
Remote. Sens., 2020

Characterizing Background Signals and Noise in Spaceborne GNSS Reflection Ocean Observations.
IEEE Geosci. Remote. Sens. Lett., 2020

itmlogic: The Irregular Terrain Model by Longley and Rice.
J. Open Source Softw., 2020

Improvement of CYGNSS Level 1 Calibration Using Modeling and Measurements of Ocean Surface Mean Square Slope.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

Characterizing the Coherent Reflected Power Dependence on Rough Surface Height at Low Signal Levels.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

Melt Detection Over Greenland Using Smap Radiometer Observations.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

Ultra Wideband Radiometer Signatures of Arctic Sea Ice: Preliminary Results from the Mosaic Campaign.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

An Algorithm for Adaptive Determination of Radar Coherent Integration Time.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020


Predicting Soil Moisture Retrieval Performance for the NISAR Mission.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

Monitoring Rapid Change in the Atmosphere Using Cygnss Wind Speed Measurements.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

P-Band Radiometry: RFI and Calibration for Uwbrad.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019
Development of an On-Board Wide-Band Processor for Radio Frequency Interference Detection and Filtering.
IEEE Trans. Geosci. Remote. Sens., 2019

Remote Sensing of Sea Ice Thickness and Salinity With 0.5-2 GHz Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2019

On the Coherency of Ocean and Land Surface Specular Scattering for GNSS-R and Signals of Opportunity Systems.
IEEE Trans. Geosci. Remote. Sens., 2019

Time-Series Retrieval of Soil Moisture Using CYGNSS.
IEEE Trans. Geosci. Remote. Sens., 2019

Comparison of Maximum-Likelihood Estimation and Other Methods for Clutter Doppler Centroid Estimation.
IEEE Trans. Aerosp. Electron. Syst., 2019

Using "Rapid Revisit" CYGNSS Wind Speed Measurements to Detect Convective Activity.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

On the Estimation of Wind Speed Diurnal Cycles Using Simulated Measurements of CYGNSS and ASCAT.
IEEE Geosci. Remote. Sens. Lett., 2019

Swell Effects on Near-Coastal Smap L-Band High-Resolution NRCS Data.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Integration of Cygnss Wind and Wave Observations with the Wavewatch III Numerical Model.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Above Snow Vegetation Effects on Wideband Autocorrelation Radiometry.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Open Source Software for Simulating Collaborative Networks of Autonomous Adaptive Sensors.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Fully Adaptive Cloud Profiling Radar Simulation.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018
Location of Radio-Frequency Interference Sources Using the SMAP L-Band Radiometer.
IEEE Trans. Geosci. Remote. Sens., 2018

500-2000-MHz Brightness Temperature Spectra of the Northwestern Greenland Ice Sheet.
IEEE Trans. Geosci. Remote. Sens., 2018

The Ultrawideband Software-Defined Microwave Radiometer: Instrument Description and Initial Campaign Results.
IEEE Trans. Geosci. Remote. Sens., 2018

Foreword to the Special Issue on the 2017 IEEE International Geoscience and Remote Sensing Symposium.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018

A Study of Cross-Polarized Sea Clutter Using the SSA2 High Frequency Approximation and the Two-Scale Model.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Modeling of Sea State Conditions for Improvement of Cygnss L2 Wind Speed Retrievals.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Recent Advances in Smap RFI Processing.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Fully Adaptive Remote Sensing Observing System Simulation Experiments.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

CubeSat Radiometer Radio Frequency Interference Technology (CubeRRT) Validation Mission: Enabling Future Resource-Constrained Science Missions.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Testing and Operation Planning of the Cubesat Radiometer Radio Frequency Interference Technology Validation (Cuberrt) System.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Sentinel-1 & Sentinel-2 for SOIL Moisture Retrieval at Field Scale.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018


Measurements of 0.5-2 GHz Thermal Emission Spectra from the Greenland Ice Sheet, Sea Ice, and Permafrost: Results from September 2017 Campaign.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Using 0.5-2 ghz Microwave Radiometry to Derive Ocean Salinity.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Investigation of Spaceborne Polarimetric GNSS-R Over Land Using the Smap Radar Receiver.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

SMAP Mission: Changes in the RFI Environment.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Cross-Comparison of Three SAR Soil Moisture Retrieval Algorithms Using Synthetic and Experimental Data.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

An Analysis of Bistatic Sea Clutter Statistics.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

GNSS-R Time-Series Soil Moisture Retrievals from Vegetated Surfaces.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017
A Time-Series Approach to Estimating Soil Moisture From Vegetated Surfaces Using L-Band Radar Backscatter.
IEEE Trans. Geosci. Remote. Sens., 2017

On the Amplitude Distributions of Bistatic Scattered Fields From Rough Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2017

Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites.
IEEE Trans. Geosci. Remote. Sens., 2017

A Study of Wind Direction Effects on Sea Surface Specular Scattering for GNSS-R Applications.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2017

Microwave Thermal Emission Characteristics of a Two-Layer Medium With Rough Interfaces Using the Second-Order Small Perturbation Method.
IEEE Geosci. Remote. Sens. Lett., 2017

A partial coherent model of brightness temperatures of polar ICE sheets at l band incorporating multi-layer roughness effects based on SPM2 theory.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Investigating "rapid revisit" observations of cygnss.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

A study of wind direction effects on GNSS-R delay Doppler maps near the specular point.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Comparing the cygnss simulator forward scattering model with TDS-1 and cygnss on-orbit DDMS.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

The CubeSat Radiometer Radio Frequency Interference Technology (CubeRRT) validation mission: Performance and development of the Digital Backend technology.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017


Preliminary study for a spaceborne ultrawideband microwave radiometer for the monitoring of cryosphere elements: The cryorad project.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Calibration and validation of the cygnss level 1 data products.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Performance of SMAP radiometer RFI detection algorithms and analysis of residual RFI sources.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Development of the cubesat radiometer radio frequency interference technology validation (cuberrt) system.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

The Ultra-Wideband Software Defined Microwave Radiometer (UWBRAD) for Ice sheet subsurface temperature sensing: Calibration and campaign results.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

The ultra-wideband software defined microwave radiometer (UWBRAD) for ice sheet subsurface temperature sensing: RFI algorithms and performance.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016
SMAP L-Band Microwave Radiometer: RFI Mitigation Prelaunch Analysis and First Year On-Orbit Observations.
IEEE Trans. Geosci. Remote. Sens., 2016

Detection of Inland Open Water Surfaces Using Dual Polarization L-Band Radar for the Soil Moisture Active Passive Mission.
IEEE Trans. Geosci. Remote. Sens., 2016

L-Band Radio-Frequency Interference Observations During the SMAP Validation Experiment 2012.
IEEE Trans. Geosci. Remote. Sens., 2016

A partially coherent microwave emission model for polar ice sheets with density fluctuations and multilayer rough interfaces from 0.5 to 2 GHZ.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Studies of TDS-1 GNSS-R ocean altimetry using a "full DDM" retrieval approach.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Modeling polarimetric sea surface specular scattering for GNSS-R applications.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Surface soil moisture retrieval using L-band SMAP SAR data and its validation.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Soil Moisture Active Passive (SMAP) microwave radiometer radio-frequency interference (RFI) mitigation: Algorithm updates and performance assessment.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

The Ultra-wideband Software-Defined Radiometer (UWBRAD) for ice sheet internal temperature sensing: Results from recent observations.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

The CubeSat Radiometer Radio Frequency Interference Technology Validation (CubeRRT) mission.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Testing the feasibility of a bayesian retrieval of greenland ice sheet internal temperature from ultra-wideband software-defined microwave radiometer (UWBRAD) measurements.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015
Radiometric Approach for Estimating Relative Changes in Intraglacier Average Temperature.
IEEE Trans. Geosci. Remote. Sens., 2015

A Simplified Formulation for Rough Surface Cross-Polarized Backscattering Under the Second-Order Small-Slope Approximation.
IEEE Trans. Geosci. Remote. Sens., 2015

Physical Models of Layered Polar Firn Brightness Temperatures From 0.5 to 2 GHz.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015

Cognitive Radar Framework for Target Detection and Tracking.
IEEE J. Sel. Top. Signal Process., 2015

An intercomparison of models for predicting bistatic scattering from rough surfaces.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

A multistatic radar approach to soil moisture and vegetation monitoring at L band.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Real-time estimation of ocean wave fields from marine radar data.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Bistatic coherent MIMO clutter rank analysis.
Proceedings of the 23rd European Signal Processing Conference, 2015

Experiments with cognitive radar.
Proceedings of the 6th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2015

2014
Radio-Frequency Interference Mitigation for the Soil Moisture Active Passive Microwave Radiometer.
IEEE Trans. Geosci. Remote. Sens., 2014

A Simulation Study of Compact Polarimetry for Radar Retrieval of Soil Moisture.
IEEE Trans. Geosci. Remote. Sens., 2014

Comparison of Model Predictions With Measurements of Ku- and Ka-Band Near-Nadir Normalized Radar Cross Sections of the Sea Surface From the Genesis and Rapid Intensification Processes Experiment.
IEEE Trans. Geosci. Remote. Sens., 2014

Polarization Features in Bistatic Scattering From Rough Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2014

Tests of the SMAP Combined Radar and Radiometer Algorithm Using Airborne Field Campaign Observations and Simulated Data.
IEEE Trans. Geosci. Remote. Sens., 2014

Simulation and analysis of polarimetric radar signatures of human gaits.
IEEE Trans. Aerosp. Electron. Syst., 2014

Numerical and experimental studies of target detection with MIMO radar.
IEEE Trans. Aerosp. Electron. Syst., 2014

Understanding SMOS data in Antarctica.
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

Radio frequency interference observations using an L-Band direct sampling receiver during the SMAPVEX12 airborne campaign.
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

An examination of multi-frequency microwave radiomtry for probing subsurface ice sheet temperature.
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2013
A Study of Sea Surface Range-Resolved Doppler Spectra Using Numerically Simulated Low-Grazing-Angle Backscatter Data.
IEEE Trans. Geosci. Remote. Sens., 2013

A Comparative Analysis of Low-Level Radio Frequency Interference in SMOS and Aquarius Microwave Radiometer Measurements.
IEEE Trans. Geosci. Remote. Sens., 2013

A Study of Sea Surface Wind Vector Estimation From Near-Nadiral Cross-Track-Scanned Backscatter Data.
IEEE Geosci. Remote. Sens. Lett., 2013

A Study of SMOS RFI Over North America.
IEEE Geosci. Remote. Sens. Lett., 2013

SMAP RFI mitigation algorithm performance characterization using airborne high-rate direct-sampled SMAPVEX 2012 data.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2012
Soil Moisture Retrieval Using Time-Series Radar Observations Over Bare Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2012

A Study of the Fourth-Order Small Perturbation Method for Scattering From Two-Layer Rough Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2012

Assessment of the impacts of radio frequency interference on SMAP radar and radiometer measurements.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

An experimental and theoretical study on the sensitivity of cross-polarized backscatter to soil moisture.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

2011
Airborne L-Band Radio Frequency Interference Observations From the SMAPVEX08 Campaign and Associated Flights.
IEEE Trans. Geosci. Remote. Sens., 2011

A Study of Interferometric Phase Statistics and Accuracy for Sea Surface Height Retrievals from Numerically Simulated Low-Grazing-Angle Backscatter Data.
IEEE Trans. Geosci. Remote. Sens., 2011

Radio frequency interference mitigation for the planned SMAP radar and radiometer.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Soil moisture retrieval over low-vegetation surfaces using time-series radar observations and a lookup table representation of forward scattering.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Studies of radio frequency interference in SMOS observations.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

A study of sea surface height retrieval using Doppler measurements from numerically simulated low grazing angle backscatter data.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

MIMO radar target measurements.
Proceedings of the Conference Record of the Forty Fifth Asilomar Conference on Signals, 2011

2010
A Monte Carlo Study of Altimeter Pulse Returns and the Electromagnetic Bias.
IEEE Trans. Geosci. Remote. Sens., 2010

Performance Study of a Cross-Frequency Detection Algorithm for Pulsed Sinusoidal RFI in Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2010

Compensation of Faraday Rotation in Multipolarization Scatterometry.
IEEE Trans. Geosci. Remote. Sens., 2010

Including Spatial Correlations in the Statistical MIMO Radar Target Model.
IEEE Signal Process. Lett., 2010

The Soil Moisture Active Passive (SMAP) Mission.
Proc. IEEE, 2010

Deriving soil moisture with the combined L-band radar and radiometer measurements.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

2009
Microwave Radiometer Radio-Frequency Interference Detection Algorithms: A Comparative Study.
IEEE Trans. Geosci. Remote. Sens., 2009

Performance Study of Algorithms for Detecting Pulsed Sinusoidal Interference in Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2009

Through-Wall Sensing With Multifrequency Microwave Radiometry: A Proof-of-Concept Demonstration.
IEEE Trans. Geosci. Remote. Sens., 2009

A Numerical Study of the Retrieval of Sea Surface Height Profiles From Low Grazing Angle Radar Data.
IEEE Trans. Geosci. Remote. Sens., 2009

A Study of the Shapiro-Wilk Test for the Detection of Pulsed Sinusoidal Radio Frequency Interference.
IEEE Trans. Geosci. Remote. Sens., 2009

Airborne L-band RFI Observations in the smapvex08 Campaign with the L-band Interference Suppressing Radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

Performance Analysis of a Cross-frequency Detector of Pulsed Sinusoidal RFI in Microwave Radiometry.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

2008
A Numerical Method for Studying Modulation Effects in Radar Observations of the Sea Surface.
IEEE Trans. Geosci. Remote. Sens., 2008

Low Frequency Sea and Ice Sheet Impulse Responses Acquired by the Global Ice Sheet Mapping Orbiter (GISMO) Demonstrator.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Monte Carlo Simulation of Altimeter Pulse Returns and Electromagnetic Bias.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

A Study of Algorithms for Detecting Pulsed Sinusoidal Interference in Microwave Radiometry.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

On the Shapiro-Wilk Test for the Detection of Pulsed Sinusoidal Radio Frequency Interference.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Compensation of Faraday Rotation in Multi-Polarization Scatterometry.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007
On the Geometrical Optics (Hagfors' Law) and Physical Optics Approximations for Scattering From Exponentially Correlated Surfaces.
IEEE Trans. Geosci. Remote. Sens., 2007

Computation of Oceanlike Surface Thermal Emission and Bistatic Scattering With the Reduced Local Curvature Approximation.
IEEE Trans. Geosci. Remote. Sens., 2007

Time and Frequency Blanking for Radio-Frequency Interference Mitigation in Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2007

A New Model for Rough Surface Scattering.
IEEE Trans. Geosci. Remote. Sens., 2007

Fourth-Order Small-Slope Theory of Sea-Surface Brightness Temperatures.
IEEE Trans. Geosci. Remote. Sens., 2007

Band-Limited Exponential Correlation Function for Rough-Surface Scattering.
IEEE Trans. Geosci. Remote. Sens., 2007

Foreword to the Special Issue on Subsurface Sensing Using Ground-Penetrating Radar (GPR).
IEEE Trans. Geosci. Remote. Sens., 2007

Cross frequency blanking for RFI mitigation: A C-band case study.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

The reduced local curvature approximation for rough surface scattering.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

2006
A numerical study of the modulation of ShortSea waves by longer waves.
IEEE Trans. Geosci. Remote. Sens., 2006

Airborne radio-frequency interference studies at C-band using a digital receiver.
IEEE Trans. Geosci. Remote. Sens., 2006

An efficient two-scale model for the computation of thermal emission and atmospheric reflection from the sea surface.
IEEE Trans. Geosci. Remote. Sens., 2006

A polarimetric survey of radio-frequency interference in C- and X-bands in the continental united states using WindSat radiometry.
IEEE Trans. Geosci. Remote. Sens., 2006

A Numerical Study of the Modulation of Short Sea Waves by Longer Waves.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Studies of Ocean Surface Profile Retrieval from Simulated LGA Radar Data.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Observations of an ARSR System in Canton, MI with the L-band Interference Suppressing Radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

A Study of Wind Direction Signals in WindSat Linearly Polarized Channels.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

High Altitude Measurements of C-band Radio Frequency Interference Using a Digital Receiver.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Comparison of Surface Scattering Models for Gaussian and Exponential Surfaces.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2005
A study of ocean-like surface thermal emission and reflection using Voronovich's small slope approximation.
IEEE Trans. Geosci. Remote. Sens., 2005

Sky observations at L-band with an interference suppressing microwave radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

2004
A numerical study of buried biomass effects on ground-penetrating radar performance.
IEEE Trans. Geosci. Remote. Sens., 2004

A study of scattering from an object below a rough surface.
IEEE Trans. Geosci. Remote. Sens., 2004

Optical theorem for electromagnetic scattering by a three-dimensional scatterer in the presence of a lossless half space.
IEEE Geosci. Remote. Sens. Lett., 2004

Design and demonstration of an interference suppressing microwave radiometer.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Airborne radio frequency interference studies at C-band using a digital receiver.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

A study of rough surface thermal emission and reflection using Voronovich's small slope approximation.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Calculation of the fourth order small slope theory of thermal emission from the sea surface.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

2003
Further numerical studies of backscattering from time-evolving nonlinear sea surfaces.
IEEE Trans. Geosci. Remote. Sens., 2003

Gender, Rationality, and Base-Rate Explanations for Increasing Trends.
Commun. Res., 2003

Antidotes for Anthrax Anecdotes.
Commun. Res., 2003

A study of sea emission models for WindSat.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Design of an L-band microwave radiometer with active mitigation of interference.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Characterization of L-band RFI and implications for mitigation techniques.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

2002
Radar image study of simulated breaking waves.
IEEE Trans. Geosci. Remote. Sens., 2002

Subsurface object sensing with a multifrequency microwave radiometer.
IEEE Trans. Geosci. Remote. Sens., 2002

A theoretical study of sea surface up/down wind brightness temperature differences.
IEEE Trans. Geosci. Remote. Sens., 2002

Comparison of the physical optics and small slope theories for polarimetric thermal emission from the sea surface.
IEEE Trans. Geosci. Remote. Sens., 2002

Sub-surface object sensing with multi-frequency microwave radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Further numerical studies of backscattering from time evolving non-linear sea surfaces.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Implementation of the higher order small slope approximation for scattering from a Gaussian rough surface.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Remote sensing of rough surface spectra with multi-frequency microwave radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

2001
Comparison of modeled and measured second azimuthal harmonics of ocean surface brightness temperatures.
IEEE Trans. Geosci. Remote. Sens., 2001

A numerical study of backscattering from time-evolving sea surfaces: comparison of hydrodynamic models.
IEEE Trans. Geosci. Remote. Sens., 2001

Coupled canonical grid/discrete dipole approach for computing scattering from objects above or below a rough interface.
IEEE Trans. Geosci. Remote. Sens., 2001

Thermal emission from a layered medium bounded by a slightly rough interface.
IEEE Trans. Geosci. Remote. Sens., 2001

2000
Time statistics of propagation over the ocean surface: a numerical study.
IEEE Trans. Geosci. Remote. Sens., 2000

A novel acceleration algorithm for the computation of scattering from two-dimensional large-scale perfectly conducting random rough surfaces with the forward-backward method.
IEEE Trans. Geosci. Remote. Sens., 2000

A numerical model for electromagnetic scattering from sea ice.
IEEE Trans. Geosci. Remote. Sens., 2000

High resolution Ka-band images of a small tree: measurements and models.
IEEE Trans. Geosci. Remote. Sens., 2000

Formulation of forward-backward method using novel spectral acceleration for the modeling of scattering from impedance rough surfaces.
IEEE Trans. Geosci. Remote. Sens., 2000

1999
Theoretical study of the small slope approximation for ocean polarimetric thermal emission.
IEEE Trans. Geosci. Remote. Sens., 1999

A numerical study of ocean polarimetric thermal emission.
IEEE Trans. Geosci. Remote. Sens., 1999

1998
A numerical study of the composite surface model for ocean backscattering.
IEEE Trans. Geosci. Remote. Sens., 1998

1996
Applications of numerical models for rough surface scattering.
PhD thesis, 1996

1993
Third Stokes parameter emission from a periodic water surface.
IEEE Trans. Geosci. Remote. Sens., 1993

Statistical temperature profile retrievals in clear-air using passive 118-GHz O<sub>2</sub> observations.
IEEE Trans. Geosci. Remote. Sens., 1993


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