Christopher S. Ruf

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 43

Top Topics

Top Venues

IEEE Trans. Geosci. Remote. Sens.

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.

Publications

April M. Warnock, Christopher S. Ruf, Arie L. Knoll
Characterization of River Width Measurement Capability by Space Borne GNSS-Reflectometry. Remote. Sens. 16 (8) (2024)
Rajeswari Balasubramaniam, Christopher S. Ruf
Development and Application of a GNSS-R Error Model for Hurricane Winds. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 17 (2024)
April M. Warnock, Christopher S. Ruf, Anthony Russel, Mohammad M. Al-Khaldi, Rajeswari Balasubramaniam
CYGNSS Level 3 Merged Wind Speed Data Product for Storm Force and Surrounding Environmental Winds. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 17 (2024)
Charles E. Powell, Christopher S. Ruf, Darren S. McKague, Tianlin Wang, Anthony Russel
An Instrument Error Correlation Model for Global Navigation Satellite System Reflectometry. Remote. Sens. 16 (5) (2024)
Hugo Carreno-Luengo, Christopher S. Ruf, Scott Gleason, Anthony Russel, Ilaria M. Russo, Maurizio di Bisceglie, Carmela Galdi
In-Orbit Real Time Inland Water Detection by A Future Spaceborne Gnss-R Receiver. IGARSS (2023)
Mohammad M. Al-Khaldi, Scott Gleason, Joel T. Johnson, Rajeswari Balasubramaniam, Christopher S. Ruf, Darren S. McKague, Bachir Annane, Tianlin Wang, Anthony Russel, Dorina Twigg
Using Synthetic Cyclone Models for High Wind GNSS-R Calibration, Validation, and Algorithm Development: A CYGNSS Case Study. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Hugo Carreno-Luengo, Christopher S. Ruf, Scott Gleason, Anthony Russel
A New Multiresolution CYGNSS Data Product for Fully and Partially Coherent Scattering. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Hugo Carreno-Luengo, Christopher S. Ruf, Scott Gleason, Anthony Russel
An Improved Inland Water Detector Using Standard L1 Data: Application to CYGNSS. IGARSS (2023)
Tian-Lin Wang, Christopher S. Ruf, Scott Gleason, Andrew J. O'Brien, Darren S. McKague, Bruce P. Block, Anthony Russel
Dynamic Calibration of GPS Effective Isotropic Radiated Power for GNSS-Reflectometry Earth Remote Sensing. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Hugo Carreno-Luengo, April M. Warnock, Christopher S. Ruf
The Cygnss Coherent End-to-End Simulator: Development and Results. IGARSS (2022)
James D. Campbell, Ruzbeh Akbar, Alexandra Bringer, Davide Comite, Laura Dente, Scott T. Gleason, Leila Guerriero, Erik Hodges, Joel T. Johnson, Seung-Bum Kim, Amer Melebari, Nazzareno Pierdicca, Christopher S. Ruf, Leung Tsang, Tianlin Wang, Haokui Xu, Jiyue Zhu, Mahta Moghaddam
Intercomparison of Electromagnetic Scattering Models for Delay-Doppler Maps Along a CYGNSS Land Track With Topography. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Charles E. Powell, Christopher S. Ruf, Anthony Russel
An Improved Blackbody Calibration Cadence for CYGNSS. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Scott Gleason, Mohammad M. Al-Khaldi, Christopher S. Ruf, Darren S. McKague, Tian-Lin Wang, Anthony Russel
Characterizing and Mitigating Digital Sampling Effects on the CYGNSS Level 1 Calibration. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Hugo Carreno-Luengo, Christopher S. Ruf
Triggering Freeze/Thaw Surface State Monitoring from High Inclination Orbit GNSS-R Missions: A CYGNSS-Based Study. IGARSS (2022)
Hugo Carreno-Luengo, Christopher S. Ruf
Mapping Freezing and Thawing Surface State Periods With the CYGNSS Based F/T Seasonal Threshold Algorithm. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 15 (2022)
Hugo Carreno-Luengo, Christopher S. Ruf
Retrieving Freeze/Thaw Surface State From CYGNSS Measurements. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Daniel Pascual, Maria Paola Clarizia, Christopher S. Ruf
Spaceborne Demonstration of GNSS-R Scattering Cross Section Sensitivity to Wind Direction. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Madeline C. Evans, Christopher S. Ruf
Toward the Detection and Imaging of Ocean Microplastics With a Spaceborne Radar. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Alexandra Bringer, Joel T. Johnson, Charles Toth, Christopher S. Ruf, Mahta Moghaddam
Studies of Terrain Surface Roughness and its Effect on GNSS-R Systems Using Airborne Lidar Measurements. IGARSS (2021)
Daniel Pascual, Maria Paola Clarizia, Christopher S. Ruf
Improved CYGNSS Wind Speed Retrieval Using Significant Wave Height Correction. Remote. Sens. 13 (21) (2021)
James D. Campbell, Ruzbeh Akbar, Amir Azemati, Alexandra Bringer, Davide Comite, Laura Dente, Scott T. Gleason, Leila Guerriero, Erik Hodges, Joel T. Johnson, Seung-Bum Kim, Amer Melebari, Nazzareno Pierdicca, Bowen Ren, Christopher S. Ruf, Leung Tsang, Haokui Xu, Jiyue Zhu, Mahta Moghaddam
Intercomparison of Models for CYGNSS Delay-Doppler Maps at a Validation Site in the San Luis Valley of Colorado. IGARSS (2021)
Rajeswari Balasubramaniam, Christopher S. Ruf
Performance Assessment of Cygnss High Wind Retrieval for the Improved EIRP Calibration. IGARSS (2020)
Estel Cardellach, Weiqiang Li, Antonio Rius, Maximilian Semmling, Jens Wickert, Florian Zus, Christopher S. Ruf, Carlo Buontempo
First Precise Spaceborne Sea Surface Altimetry With GNSS Reflected Signals. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 13 (2020)
Maria Paola Clarizia, Christopher S. Ruf
Statistical Derivation of Wind Speeds From CYGNSS Data. IEEE Trans. Geosci. Remote. Sens. 58 (6) (2020)
Tianlin Wang, Christopher S. Ruf, Bruce P. Block, Darren S. McKague, Scott Gleason
Design and Performance of a GPS Constellation Power Monitor System for Improved CYGNSS L1B Calibration. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
Rajeswari Balasubramaniam, Christopher S. Ruf
The Impact of Rain on L1 GNSS-R Radar Scattering Cross-Section. IGARSS (2019)
Christopher S. Ruf, Rajeswari Balasubramaniam
Development of the CYGNSS Geophysical Model Function for Wind Speed. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
Charles Bussy-Virat, Christopher S. Ruf, Aaron J. Ridley
Relationship Between Temporal and Spatial Resolution for a Constellation of GNSS-R Satellites. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
Christopher S. Ruf, Scott Gleason, Darren S. McKague
Assessment of CYGNSS Wind Speed Retrieval Uncertainty. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
Darren S. McKague, Christopher S. Ruf
On-Orbit Trending of CYGNSS Data. IGARSS (2019)
Scott Gleason, Christopher S. Ruf, Andrew J. O'Brien, Darren S. McKague
The CYGNSS Level 1 Calibration Algorithm and Error Analysis Based on On-Orbit Measurements. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (1) (2019)
Rajeswari Balasubramaniam, Christopher S. Ruf
Improved Calibration of Cygnss Measurements for Downbursts in the Intertropical Convergence Zone. IGARSS (2018)
Rajeswari Balasubramaniam, Christopher S. Ruf, Darren McKague, Maria Paola Clarizia, Scott Gleason
Calibration and validation processing for the CYGNSS wind speed retrieval algorithm. IGARSS (2017)
April M. Warnock, Christopher S. Ruf, Mary Morris
Storm surge prediction with cygnss winds. IGARSS (2017)
Maria Paola Clarizia, Christopher S. Ruf, Scott Gleason, Rajeswari Balasubramaniam, Darren McKague
Generation of cygnss level 2 wind speed data products. IGARSS (2017)
Darren S. McKague, Christopher S. Ruf
Cygnss constellation intercalibration. IGARSS (2017)
Rachael A. Kroodsma, Darren S. McKague, Christopher S. Ruf
Vicarious Cold Calibration for Conical Scanning Microwave Imagers. IEEE Trans. Geosci. Remote. Sens. 55 (2) (2017)
Scott Gleason, Christopher S. Ruf, Maria Paola Clarizia, Andrew J. O'Brien
Calibration and Unwrapping of the Normalized Scattering Cross Section for the Cyclone Global Navigation Satellite System. IEEE Trans. Geosci. Remote. Sens. 54 (5) (2016)
Mary Morris, David D. Chen, Christopher S. Ruf
Earth antenna temperature variability for CYGNSS. IGARSS (2016)
John Xun Yang, Darren S. McKague, Christopher S. Ruf
Boreal, Temperate, and Tropical Forests as Vicarious Calibration Sites for Spaceborne Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. 54 (2) (2016)
Maria Paola Clarizia, Christopher S. Ruf
On the Spatial Resolution of GNSS Reflectometry. IEEE Geosci. Remote. Sens. Lett. 13 (8) (2016)
Maria Paola Clarizia, Christopher S. Ruf
Wind Speed Retrieval Algorithm for the Cyclone Global Navigation Satellite System (CYGNSS) Mission. IEEE Trans. Geosci. Remote. Sens. 54 (8) (2016)
John Xun Yang, Darren S. McKague, Christopher S. Ruf, Hu Yang, Fuzhong Weng
Examining GMI intercalibration dependence on the full dynamic range of brightness temperature using cold and warm end tie points. IGARSS (2016)
John Xun Yang, Darren S. McKague, Christopher S. Ruf
Identifying and resolving a calibration issue with GMI. IGARSS (2015)
David D. Chen, Christopher S. Ruf
Adaptive Control of Undetected Radio Frequency Interference With a Spaceborne Microwave Radiometer. IEEE Trans. Geosci. Remote. Sens. 53 (9) (2015)
Mary Morris, Christopher S. Ruf
Examination of a Coupled-Pixel Model (CPM) atmospheric retrieval algorithm. IGARSS (2015)
Maria Paola Clarizia, Paolo Braca, Christopher S. Ruf, Peter Willett
Target detection using GPS signals of opportunity. FUSION (2015)
David M. Le Vine, Paolo de Matthaeis, Christopher S. Ruf, David D. Chen
Aquarius RFI Detection and Mitigation Algorithm: Assessment and Examples. IEEE Trans. Geosci. Remote. Sens. 52 (8) (2014)
Maria Paola Clarizia, Christopher S. Ruf, Philip Jales, Christine Gommenginger
Spaceborne GNSS-R Minimum Variance Wind Speed Estimator. IEEE Trans. Geosci. Remote. Sens. 52 (11) (2014)
Timothy L. Miller, Mark W. James, Jason B. Roberts, Sayak K. Biswas, Daniel Cecil, W. Linwood Jones, James W. Johnson, Spencer Farrar, Saleem Sahawneh, Christopher S. Ruf, Mary Morris, Eric Uhlhorn, Peter G. Black
The Hurricane Imaging Radiometer: Present and future. IGARSS (2013)
Rachael Kroodsma, Darren McKague, Christopher S. Ruf
Extension of Vicarious Cold Calibration to 85-92 GHz for Spaceborne Microwave Radiometers. IEEE Trans. Geosci. Remote. Sens. 51 (9) (2013)
Christopher S. Ruf, Scott Gleason, Zorana Jelenak, Stephen J. Katzberg, Aaron J. Ridley, Randall Rose, John Scherrer, Valery U. Zavorotny
The CYGNSS nanosatellite constellation hurricane mission. IGARSS (2012)
Rachael Kroodsma, Darren S. McKague, Christopher S. Ruf
Inter-Calibration of Microwave Radiometers Using the Vicarious Cold Calibration Double Difference Method. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 5 (3) (2012)
Ruba Akram Amarin, W. Linwood Jones, Salem F. El-Nimri, James W. Johnson, Christopher S. Ruf, Timothy L. Miller, Eric Uhlhorn
Hurricane Wind Speed Measurements in Rainy Conditions Using the Airborne Hurricane Imaging Radiometer (HIRAD). IEEE Trans. Geosci. Remote. Sens. 50 (1) (2012)
Sidharth Misra, Roger D. De Roo, Christopher S. Ruf
An Improved Radio Frequency Interference Model: Reevaluation of the Kurtosis Detection Algorithm Performance Under Central-Limit Conditions. IEEE Trans. Geosci. Remote. Sens. 50 (11) (2012)
Sidharth Misra, Christopher S. Ruf
Analysis of Radio Frequency Interference Detection Algorithms in the Angular Domain for SMOS. IEEE Trans. Geosci. Remote. Sens. 50 (5-1) (2012)
James Park, Joel T. Johnson, Ninoslav Majurec, Noppasin Niamsuwan, Jeffrey R. Piepmeier, Priscilla N. Mohammed, Christopher S. Ruf, Sidharth Misra, Simon Yueh, Steve J. Dinardo
Airborne L-Band Radio Frequency Interference Observations From the SMAPVEX08 Campaign and Associated Flights. IEEE Trans. Geosci. Remote. Sens. 49 (9) (2011)
Jinzheng Peng, Christopher S. Ruf
Covariance Statistics of Fully Polarimetric Brightness Temperature Measurements. IEEE Geosci. Remote. Sens. Lett. 7 (3) (2010)
Sidharth Misra, Priscilla N. Mohammed, Baris Güner, Christopher S. Ruf, Jeffrey R. Piepmeier, Joel T. Johnson
Microwave Radiometer Radio-Frequency Interference Detection Algorithms: A Comparative Study. IEEE Trans. Geosci. Remote. Sens. 47 (11) (2009)
Boon H. Lim, Christopher S. Ruf
A High-Resolution Full-Earth Disk Model for Evaluating Synthetic Aperture Passive Microwave Observations From GEO. IEEE Trans. Geosci. Remote. Sens. 47 (11) (2009)
Christopher S. Ruf, Ruba Akram Amarin, Marion C. Bailey, Boon H. Lim, Robbie Hood, Mark W. James, James W. Johnson, W. Linwood Jones, Vanessa Rohwedder, Karen Stephens
The hurricane imaging radiometer - an octave bandwidth synthetic thinned array radiometer. IGARSS (2007)
Jinzheng Peng, Christopher S. Ruf, Shannon T. Brown, Jeffrey R. Piepmeier
Characterization of the aquarius and juno radiometers using a programmable digital noise source. IGARSS (2007)
Shannon T. Brown, Shailen Desai, Stephen J. Keihm, Christopher S. Ruf
Ocean water vapor and cloud burden trends derived from the topex microwave radiometer. IGARSS (2007)
Roger D. De Roo, Sidharth Misra, Christopher S. Ruf
Sensitivity of the kurtosis statistic as a detector of pulsed sinusoidal radio frequency interfer. IGARSS (2007)
Alan B. Tanner, Shannon T. Brown, Todd C. Gaier, Bjorn H. Lambrigsten, Boon H. Lim, Christopher S. Ruf, Francesc Torres
Field tests of the GeoSTAR demonstrator instrument. IGARSS (2007)
Roger D. De Roo, Christopher S. Ruf, Kazem Sabet
An L-band Radio Frequency Interference (RFI) detection and mitigation testbed for microwave radiometry. IGARSS (2007)
Boon H. Lim, Ruba Akram Amarin, Salem El-Nimri, James W. Johnson, W. Linwood Jones, Christopher S. Ruf
Restrictions on the field of view for an undersampled 1-D synthetic thinned aperture radiometry. IGARSS (2007)
Christopher S. Ruf, Sidharth Misra
Detection of Radio Frequency Interference with the Aquarius Radiometer. IGARSS (2007)
Ruba Akram Amarin, Salem F. El-Nimri, James W. Johnson, W. Linwood Jones, Boon H. Lim, Christopher S. Ruf
Instrument design simulations for synthetic aperture microwave radiometric imaging of wind speed and rain rate in hurricanes. IGARSS (2007)
Peter W. Gaiser, Christopher S. Ruf
Foreword to the Special Issue on the WindSat Spaceborne Polarimetric Radiometer - Calibration/Validation and Wind Vector Retrieval. IEEE Trans. Geosci. Remote. Sens. 44 (3) (2006)
Christopher S. Ruf, Steven M. Gross, Sidharth Misra
RFI detection and mitigation for microwave radiometry with an agile digital detector. IEEE Trans. Geosci. Remote. Sens. 44 (3) (2006)
Christopher S. Ruf, Ying Hu, Shannon T. Brown
Calibration of WindSat polarimetric channels with a vicarious cold reference. IEEE Trans. Geosci. Remote. Sens. 44 (3) (2006)
Shannon T. Brown, Christopher S. Ruf, David Lyzenga
An emissivity-based wind vector retrieval algorithm for the WindSat polarimetric radiometer. IEEE Trans. Geosci. Remote. Sens. 44 (3) (2006)
Christopher S. Ruf, Shannon T. Brown, Ying Hu, Hirofumi Kawakubo
WindSat calibration and geophysical parameter estimation. IGARSS (2004)
Alan B. Tanner, William J. Wilson, Pekka Kangaslahti, Bjorn H. Lambrigsten, Steve J. Dinardo, Jeffrey R. Piepmeier, Christopher S. Ruf, Steven A. Rogacki, Steven M. Gross, Stephen B. Musko
Prototype development of a geostationary synthetic thinned aperture radiometer, GeoSTAR. IGARSS (2004)
William J. Wilson, Alan B. Tanner, Bjorn Lambrigtsen, Terence Doiron, Jeffrey R. Piepmeier, Christopher S. Ruf
STAR concept for passive microwave temperature sounding from middle earth orbit (MeoSTAR). IGARSS (2004)
Shannon T. Brown, Christopher S. Ruf
Simultaneous retreival of surface wind speed and rain rate using radar and radiometer measurements. IGARSS (2004)
Bjorn Lambrigtsen, William J. Wilson, Alan B. Tanner, Todd Gaier, Christopher S. Ruf, Jeffrey R. Piepmeier
GeoSTAR - a microwave sounder for geostationary satellites. IGARSS (2004)
Christopher S. Ruf, Jikang Li
A correlated noise calibration standard for interferometric, polarimetric, and autocorrelation microwave radiometers. IEEE Trans. Geosci. Remote. Sens. 41 (10) (2003)
Christopher S. Ruf, Caleb Principe, Tom Dod, Brian Gosselin, Bryan Monosmith, Stephen B. Musko, Steven A. Rogacki, Alphonso Stewart, Zhaonan Zhang
Lightweight rainfall radiometer STAR aircraft sensor. IGARSS (2002)
Christopher S. Ruf
Characterization and correction of a drift in calibration of the TOPEX microwave radiometer. IEEE Trans. Geosci. Remote. Sens. 40 (2) (2002)
Albin J. Gasiewski, Christopher S. Ruf, Marwan Younis, Werner Wiesbeck
Impacts of mobile radar and telecommunications systems on Earth remote sensing in the 22-27 GHz range. IGARSS (2002)
Ngan Tran, Douglas C. Vandemark, Christopher S. Ruf, Bertrand Chapron
The dependence of nadir ocean surface emissivity on wind vector as measured with microwave radiometer. IEEE Trans. Geosci. Remote. Sens. 40 (2) (2002)
Mark A. Fischman, Anthony W. England, Christopher S. Ruf
How digital correlation affects the fringe washing function in L-band aperture synthesis radiometry. IEEE Trans. Geosci. Remote. Sens. 40 (3) (2002)
W. Linwood Jones, Jun-Dung Park, Josko Zec, Christopher S. Ruf, Marion C. Bailey, James W. Johnson
A feasibility study for a wide-swath, airborne, hurricane imaging microwave radiometer for operational hurricane measurements. IGARSS (2002)
Jude C. Giampaolo, Christopher S. Ruf
The effect of atmospheric stability on microwave excess emissivity due to wind. IEEE Trans. Geosci. Remote. Sens. 39 (10) (2001)
Justin P. Bobak, Christopher S. Ruf
Improvements and complications involved with adding an 85-GHz channel to cloud liquid water radiometers. IEEE Trans. Geosci. Remote. Sens. 38 (1) (2000)
Stephen J. Keihm, Victor Zlotnicki, Christopher S. Ruf
TOPEX microwave radiometer performance evaluation, 1992-1998. IEEE Trans. Geosci. Remote. Sens. 38 (3) (2000)
Christopher S. Ruf
Detection of calibration drifts in spaceborne microwave radiometers using a vicarious cold reference. IEEE Trans. Geosci. Remote. Sens. 38 (1) (2000)
Sandra Cruz-Pol, Christopher S. Ruf
A modified model for specular sea surface emissivity at microwave frequencies. IEEE Trans. Geosci. Remote. Sens. 38 (2) (2000)
Christopher S. Ruf, Shawn E. Beus
Retrieval of tropospheric water vapor scale height from horizontal turbulence structure. IEEE Trans. Geosci. Remote. Sens. 35 (2) (1997)
Christopher S. Ruf, Rajiv P. Dewan, Bala Subramanya
Combined Microwave Radiometer and Altimeter Retrieval of Wet Path Delay for the GEOSAT Follow-On. IEEE Trans. Geosci. Remote. Sens. 34 (4) (1996)
Christopher S. Ruf
Digital correlators for synthetic aperture interferometric radiometry. IEEE Trans. Geosci. Remote. Sens. 33 (5) (1995)
Christopher S. Ruf, Stephen J. Keihm, Michael A. Janssen
TOPEX/Poseidon Microwave Radiometer (TMR). I. Instrument description and antenna temperature calibration. IEEE Trans. Geosci. Remote. Sens. 33 (1) (1995)
Michael A. Janssen, Christopher S. Ruf, Stephen J. Keihm
TOPEX/Poseidon Microwave Radiometer (TMR). II. Antenna pattern correction and brightness temperature algorithm. IEEE Trans. Geosci. Remote. Sens. 33 (1) (1995)
Stephen J. Keihm, Michael A. Janssen, Christopher S. Ruf
TOPEX/Poseidon microwave radiometer (TMR). III. Wet troposphere range correction algorithm and pre-launch error budget. IEEE Trans. Geosci. Remote. Sens. 33 (1) (1995)