Stephen L. Durden
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View article: Evaluation of IMERG Data over Open Ocean Using Observations of Tropical Cyclones
Evaluation of IMERG Data over Open Ocean Using Observations of Tropical Cyclones Open
The IMERG data product is an optimal combination of precipitation estimates from the Global Precipitation Mission (GPM), making use of a variety of data types, primarily data from various spaceborne passive instruments. Previous versions o…
View article: Assessment of Techniques for Detection of Transient Radio-Frequency Interference (RFI) Signals: A Case Study of a Transient in Radar Test Data
Assessment of Techniques for Detection of Transient Radio-Frequency Interference (RFI) Signals: A Case Study of a Transient in Radar Test Data Open
The authors present a case study of the investigation of a transient signal that appeared in the testing of a radar receiver. The characteristics of the test conditions and data are first discussed. The authors then proceed to outline the …
View article: Estimating Mean Surface Backscatter from GPM Surface Backscatter Observations
Estimating Mean Surface Backscatter from GPM Surface Backscatter Observations Open
The radar on the Global Precipitation Measurement (GPM) mission observes precipitation at 13.6 GHz (Ku-band) and 35.6 GHz (Ka-band) and also receives echoes from the earth’s surface. Statistics of surface measurements for non-raining condi…
View article: The Need for Spectrum and the Impact on Weather Observations
The Need for Spectrum and the Impact on Weather Observations Open
One of the most significant challenges—and potential opportunities—for the scientific community is society’s insatiable need for the radio spectrum. Wireless communication systems have profoundly impacted the world’s economies and its inha…
View article: Improving FM Radar Dynamic Range Using Target Phase Noise Cancellation
Improving FM Radar Dynamic Range Using Target Phase Noise Cancellation Open
A method for improving the dynamic range of frequency-modulated continuous-wave (FMCW) radar systems is presented. Bright echo signals detected with FMCW radars can carry strong phase noise sidelobes, especially for radars at W-band and hi…
View article: Joint analysis of convective structure from the APR-2 precipitation radar and the DAWN Doppler wind lidar during the 2017 Convective Processes Experiment (CPEX)
Joint analysis of convective structure from the APR-2 precipitation radar and the DAWN Doppler wind lidar during the 2017 Convective Processes Experiment (CPEX) Open
The mechanisms linking convection and cloud dynamical processes are major factors in much of the uncertainty in both weather and climate prediction. Further constraining the uncertainty in convective cloud processes linking 3-D air motion …
View article: Impact of Mass–Size Parameterizations of Frozen Hydrometeors on Microphysical Retrievals: Evaluation by Matching Radar to In Situ Observations from GCPEx and OLYMPEx
Impact of Mass–Size Parameterizations of Frozen Hydrometeors on Microphysical Retrievals: Evaluation by Matching Radar to In Situ Observations from GCPEx and OLYMPEx Open
This article illustrates how multifrequency radar observations can refine the mass–size parameterization of frozen hydrometeors in scattering models and improve the correlation between the radar observations and in situ measurements of mic…
View article: Joint Analysis of Convective Structure from the APR-2 Precipitation Radar and the DAWN Doppler Wind Lidar During the 2017 Convective Processes Experiment (CPEX)
Joint Analysis of Convective Structure from the APR-2 Precipitation Radar and the DAWN Doppler Wind Lidar During the 2017 Convective Processes Experiment (CPEX) Open
The mechanisms linking convection and cloud dynamical processes is a major factor in much of the uncertainty in both weather and climate prediction. Further constraining the uncertainty in convective cloud processes linking 3-D air motion …
View article: Front Matter: Volume 11131
Front Matter: Volume 11131 Open
View article: Spatial variability of airborne radar reflectivity and velocity measurements of tropical rain with application to spaceborne radar
Spatial variability of airborne radar reflectivity and velocity measurements of tropical rain with application to spaceborne radar Open
One of the challenges in accurate estimation of rainfall from spaceborne radars is achievement of adequate spatial resolution with reasonable-sized antennas. Previous studies have shown that variability of precipitation within the radar be…
View article: Evaluation of Triple‐Frequency Radar Retrieval of Snowfall Properties Using Coincident Airborne In Situ Observations During OLYMPEX
Evaluation of Triple‐Frequency Radar Retrieval of Snowfall Properties Using Coincident Airborne In Situ Observations During OLYMPEX Open
Scattering models of precipitation‐size ice particles have shown that aggregates and spheroidal particles occupy distinct regions of the K u ‐ K a ‐ W ‐band dual‐frequency ratio (DFR) plane. Furthermore, past ground‐based observations sugg…