Christopher Ruf

According to our database1, Christopher Ruf authored at least 133 papers between 1995 and 2020.

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

Timeline

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Bibliography

2020
First Precise Spaceborne Sea Surface Altimetry With GNSS Reflected Signals.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020

First Evidence of Mesoscale Ocean Eddies Signature in GNSS Reflectometry Measurements.
Remote. Sens., 2020

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

2019
Design and Performance of a GPS Constellation Power Monitor System for Improved CYGNSS L1B Calibration.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Assessment of CYGNSS Wind Speed Retrieval Uncertainty.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Foreword to the Special Issue on Cyclone Global Navigation Satellite System (CYGNSS) Early on Orbit Performance.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Development of the CYGNSS Geophysical Model Function for Wind Speed.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

The CYGNSS Level 1 Calibration Algorithm and Error Analysis Based on On-Orbit Measurements.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Relationship Between Temporal and Spatial Resolution for a Constellation of GNSS-R Satellites.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019

Response to Variations in River Flowrate by a Spaceborne GNSS-R River Width Estimator.
Remote. Sens., 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

A Real-Time EIRP Level 1 Calibration Algorithm for the CYGNSS Mission Using the Zenith Measurements.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

The GNSS-R Cygnss Mission: an Update.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

CYGNSS Smallsat Mission Design, Engineering Performance and Science Results.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

On-Orbit Trending of CYGNSS Data.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Determining Tropical Cyclone Center Location with CYGNSS Wind Speed Measurements.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

The Impact of Rain on L1 GNSS-R Radar Scattering Cross-Section.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018
Can We Improve Parametric Cyclonic Wind Fields Using Recent Satellite Remote Sensing Data?
Remote. Sens., 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

Characterization of the Transmit Power and Antenna Pattern of the GPS Constellation for the CYGNSS Mission.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Enabling Sampling Properties of the Cygnss Satellite Constellation.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Comparison of Wide Bandwidth Conventional and Interferometric GNSS-R Techniques for Possible CYGNSS Follow-On Mission.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Measuring Ice Thickness with Cygnss Altimetry.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Improved Calibration of Cygnss Measurements for Downbursts in the Intertropical Convergence Zone.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017
Vicarious Cold Calibration for Conical Scanning Microwave Imagers.
IEEE Trans. Geosci. Remote. Sens., 2017

Storm surge prediction with cygnss winds.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Development of GPS constellation power monitor system for high accuracy calibration/validation of the cygnss L1B data.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

The nasa cygnss mission: Overview and status update.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Cygnss constellation intercalibration.
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

Generation of cygnss level 2 wind speed data products.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Calibration and validation processing for the CYGNSS wind speed retrieval algorithm.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016
Boreal, Temperate, and Tropical Forests as Vicarious Calibration Sites for Spaceborne Microwave Radiometry.
IEEE Trans. Geosci. Remote. Sens., 2016

Calibration and Unwrapping of the Normalized Scattering Cross Section for the Cyclone Global Navigation Satellite System.
IEEE Trans. Geosci. Remote. Sens., 2016

Wind Speed Retrieval Algorithm for the Cyclone Global Navigation Satellite System (CYGNSS) Mission.
IEEE Trans. Geosci. Remote. Sens., 2016

On the Spatial Resolution of GNSS Reflectometry.
IEEE Geosci. Remote. Sens. Lett., 2016

Examining GMI intercalibration dependence on the full dynamic range of brightness temperature using cold and warm end tie points.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Earth antenna temperature variability for CYGNSS.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Enabling the NASA decadal-survey "PATH" mission.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

A 180 GHz prototype for a geostationary microwave imager/sounder-GeoSTAR-III.
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015
Adaptive Control of Undetected Radio Frequency Interference With a Spaceborne Microwave Radiometer.
IEEE Trans. Geosci. Remote. Sens., 2015

Identifying and resolving a calibration issue with GMI.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Examination of a Coupled-Pixel Model (CPM) atmospheric retrieval algorithm.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Test methodology for the geostar correlator.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Target detection using GPS signals of opportunity.
Proceedings of the 18th International Conference on Information Fusion, 2015

2014
Surface Truth.
Proceedings of the Encyclopedia of Remote Sensing, 2014

Microwave Radiometers, Correlation.
Proceedings of the Encyclopedia of Remote Sensing, 2014

Calibration, Microwave Radiometers.
Proceedings of the Encyclopedia of Remote Sensing, 2014

Aquarius RFI Detection and Mitigation Algorithm: Assessment and Examples.
IEEE Trans. Geosci. Remote. Sens., 2014

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

Spaceborne GNSS-R Minimum Variance Wind Speed Estimator.
IEEE Trans. Geosci. Remote. Sens., 2014

A novel method to estimate the RFI environment.
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2013
Editorial.
IEEE Trans. Geosci. Remote. Sens., 2013

Extension of Vicarious Cold Calibration to 85-92 GHz for Spaceborne Microwave Radiometers.
IEEE Trans. Geosci. Remote. Sens., 2013

Aquarius RFI detection and mitigation.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

The Hurricane Imaging Radiometer: Present and future.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

Effect of microwave radiometer inter-calibration on rainfall accumulation for the global precipitation measurement mission.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2012
An Improved Radio Frequency Interference Model: Reevaluation of the Kurtosis Detection Algorithm Performance Under Central-Limit Conditions.
IEEE Trans. Geosci. Remote. Sens., 2012

Analysis of Radio Frequency Interference Detection Algorithms in the Angular Domain for SMOS.
IEEE Trans. Geosci. Remote. Sens., 2012

Hurricane Wind Speed Measurements in Rainy Conditions Using the Airborne Hurricane Imaging Radiometer (HIRAD).
IEEE Trans. Geosci. Remote. Sens., 2012

Inter-Calibration of Microwave Radiometers Using the Vicarious Cold Calibration Double Difference Method.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2012

Calibration and image reconstruction for The Hurricane Imaging Radiometer (HIRAD).
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

The CYGNSS nanosatellite constellation hurricane mission.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Aquarius radiometer RFI detection, mitigation and impact assessment.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Aquarius engineering phase on-orbit TA calibration.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Satellite attitude analysis using the vicarious cold calibration method for microwave radiometers.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

Spectral dependence of the response time of sea state to local wind forcing.
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

Beam Spoiling Correction for Spaceborne Microwave Radiometers Using the Two-Point Vicarious Calibration Method.
IEEE Trans. Geosci. Remote. Sens., 2011

A Consensus Calibration based on TMI and Windsat.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Robustness of the vicarious cold calibration algorithm in the double difference method for GPM inter-calibration.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

GeoSTAR-II: A prototype water vapor imager/sounder for the PATH mission.
Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

2010
Impact of Spatial Resolution on Wind Field Derived Estimates of Air Pressure Depression in the Hurricane Eye.
Remote. Sens., 2010

Covariance Statistics of Fully Polarimetric Brightness Temperature Measurements.
IEEE Geosci. Remote. Sens. Lett., 2010

An Improved C-Band Ocean Surface Emissivity Model at Hurricane-Force Wind Speeds Over a Wide Range of Earth Incidence Angles.
IEEE Geosci. Remote. Sens. Lett., 2010

Evaluation of the kurtosis algorithm in detecting radio frequency interference from multiple sources.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

WindSat retrieval of ocean surface wind speeds in tropical cyclones.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Characterization of K-band radio frequency interference from AMSR-E, WindSat and SSM/I.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Stability of the vicarious cold calibration statistic for the GPM constellation.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Analysis of anechoic chamber testing of the Hurricane Imaging Radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

K-Band Radio frequency Interference Survey of Southeastern Michigan.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

The Hurricane Imaging Radiometer wide swath simulation and wind speed retrievals.
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

A High-Resolution Full-Earth Disk Model for Evaluating Synthetic Aperture Passive Microwave Observations From GEO.
IEEE Trans. Geosci. Remote. Sens., 2009

Inversion Algorithm for Estimating Radio Frequency Interference Characteristics based on Kurtosis Measurements.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

Microwave Radiometer Inter-calibration using the Vicarious Calibration Method.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

2008
Covariance Statistics of Polarimetric Brightness Temperature Measurements.
IEEE Trans. Geosci. Remote. Sens., 2008

Calibration Method for Fully Polarimetric Microwave Radiometers Using the Correlated Noise Calibration Standard.
IEEE Trans. Geosci. Remote. Sens., 2008

Detection of Radio-Frequency Interference for the Aquarius Radiometer.
IEEE Trans. Geosci. Remote. Sens., 2008

Detectability of Radio Frequency Interference due to Spread Spectrum Communication Signals using the Kurtosis Algorithm.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Comparison of Pulsed Sinusoid Radio Frequency Interference Detection Algorithms Using Time and Frequency Sub-Sampling.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Vicarious Calibration of Global Precipitation Measurement Microwave Radiometers.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

A High Resolution Full Earth Disk Model for Microwave Observations from GEO.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Performance Simulations for a Synthetic Aperture Radiometer Measuring Peak Surface Wind Speed in Hurricanes.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007
Initial Results of the Geostationary Synthetic Thinned Array Radiometer (GeoSTAR) Demonstrator Instrument.
IEEE Trans. Geosci. Remote. Sens., 2007

GEOSAT Follow-On Water Vapor Radiometer: Performance With a Shared Active/Passive Antenna.
IEEE Trans. Geosci. Remote. Sens., 2007

Sensitivity of the Kurtosis Statistic as a Detector of Pulsed Sinusoidal RFI.
IEEE Trans. Geosci. Remote. Sens., 2007

Field tests of the GeoSTAR demonstrator instrument.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

The hurricane imaging radiometer - an octave bandwidth synthetic thinned array radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

An L-band Radio Frequency Interference (RFI) detection and mitigation testbed for microwave radiometry.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Sensitivity of the kurtosis statistic as a detector of pulsed sinusoidal radio frequency interfer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Characterization of the aquarius and juno radiometers using a programmable digital noise source.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Restrictions on the field of view for an undersampled 1-D synthetic thinned aperture radiometry.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Ocean water vapor and cloud burden trends derived from the topex microwave radiometer.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Instrument design simulations for synthetic aperture microwave radiometric imaging of wind speed and rain rate in hurricanes.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

2006
Calibration of WindSat polarimetric channels with a vicarious cold reference.
IEEE Trans. Geosci. Remote. Sens., 2006

RFI detection and mitigation for microwave radiometry with an agile digital detector.
IEEE Trans. Geosci. Remote. Sens., 2006

Foreword to the Special Issue on the WindSat Spaceborne Polarimetric Radiometer - Calibration/Validation and Wind Vector Retrieval.
IEEE Trans. Geosci. Remote. Sens., 2006

An emissivity-based wind vector retrieval algorithm for the WindSat polarimetric radiometer.
IEEE Trans. Geosci. Remote. Sens., 2006

Detection of RFI by its Amplitude Probability Distribution.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2004
STAR concept for passive microwave temperature sounding from middle earth orbit (MeoSTAR).
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Prototype development of a geostationary synthetic thinned aperture radiometer, GeoSTAR.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

WindSat calibration and geophysical parameter estimation.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

GeoSTAR - a microwave sounder for geostationary satellites.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Simultaneous retreival of surface wind speed and rain rate using radar and radiometer measurements.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

2003
A correlated noise calibration standard for interferometric, polarimetric, and autocorrelation microwave radiometers.
IEEE Trans. Geosci. Remote. Sens., 2003

2002
The dependence of nadir ocean surface emissivity on wind vector as measured with microwave radiometer.
IEEE Trans. Geosci. Remote. Sens., 2002

Characterization and correction of a drift in calibration of the TOPEX microwave radiometer.
IEEE Trans. Geosci. Remote. Sens., 2002

How digital correlation affects the fringe washing function in L-band aperture synthesis radiometry.
IEEE Trans. Geosci. Remote. Sens., 2002

Lightweight rainfall radiometer STAR aircraft sensor.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

A feasibility study for a wide-swath, airborne, hurricane imaging microwave radiometer for operational hurricane measurements.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Impacts of mobile radar and telecommunications systems on Earth remote sensing in the 22-27 GHz range.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

2001
The effect of atmospheric stability on microwave excess emissivity due to wind.
IEEE Trans. Geosci. Remote. Sens., 2001

2000
Detection of calibration drifts in spaceborne microwave radiometers using a vicarious cold reference.
IEEE Trans. Geosci. Remote. Sens., 2000

TOPEX microwave radiometer performance evaluation, 1992-1998.
IEEE Trans. Geosci. Remote. Sens., 2000

A modified model for specular sea surface emissivity at microwave frequencies.
IEEE Trans. Geosci. Remote. Sens., 2000

Improvements and complications involved with adding an 85-GHz channel to cloud liquid water radiometers.
IEEE Trans. Geosci. Remote. Sens., 2000

1997
Retrieval of tropospheric water vapor scale height from horizontal turbulence structure.
IEEE Trans. Geosci. Remote. Sens., 1997

1996
Combined Microwave Radiometer and Altimeter Retrieval of Wet Path Delay for the GEOSAT Follow-On.
IEEE Trans. Geosci. Remote. Sens., 1996

1995
TOPEX/Poseidon Microwave Radiometer (TMR). I. Instrument description and antenna temperature calibration.
IEEE Trans. Geosci. Remote. Sens., 1995

Digital correlators for synthetic aperture interferometric radiometry.
IEEE Trans. Geosci. Remote. Sens., 1995

TOPEX/Poseidon microwave radiometer (TMR). III. Wet troposphere range correction algorithm and pre-launch error budget.
IEEE Trans. Geosci. Remote. Sens., 1995

TOPEX/Poseidon Microwave Radiometer (TMR). II. Antenna pattern correction and brightness temperature algorithm.
IEEE Trans. Geosci. Remote. Sens., 1995


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