NDLI: Space borne GPM dual-frequency radar simulation from high resolution ground radar observations

Content Provider	IEEE Xplore Digital Library
Author	Rose, C.R. Chandrasekar, V.
Copyright Year	2004
Description	Author affiliation: Colorado State Univ., Fort Collins, CO, USA (Rose, C.R.; Chandrasekar, V.)
Abstract	The global precipitation measurement (GPM) mission is dedicated to improving the understanding of the global water cycle by measuring and mapping precipitation throughout the globe. The core GPM satellite will incorporate two separate precipitation radars: one operating at Ku-band (13.6 GHz) and the other at Ka band (35.6 GHz). Each radar beam will be steered such that they both point to the same location in the atmosphere. The main purpose of the dual-frequency radar system is to resolve the DSD in precipitation as well as discriminate between rain and ice. With the two beams collocated on the same precipitation volume, new algorithms are being developed to reliably estimate attenuation and rain rate. Any algorithm is based on models of precipitation. In addition, the GPM system assumes collocated beams and matched resolution volumes. Electromagnetic and microphysical models have been developed based on ground-based dual-frequency radar data at S-band to simulate Ku- and Ka-band results for comparison with the new GPM algorithms. This paper evaluates the dual-frequency inversion algorithm with synthesized S-band and known perfect data and presents results. Results show the expected performance of the new dual-precipitation radar algorithms with the potential for guiding algorithm and system improvements.
Starting Page	929
Ending Page	932
File Size	323851
Page Count	4
File Format	PDF
ISBN	0780387422
DOI	10.1109/IGARSS.2004.1368560
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spaceborne radar Rain Hydrologic measurements Information retrieval Radar measurements Attenuation measurement Satellites Meteorological radar Reflectivity Atmospheric measurements
Content Type	Text
Resource Type	Article

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Space borne GPM dual-frequency radar simulation from high resolution ground radar observations.

Combined Ku and Ka band observations of precipitation and retrievals for GPM Ground validation

An assessment on the performance of GPM dual-frequency precipitation radar rain profiling methods through numerical simulation

Rain Retrieval Performance of a Dual-Frequency Radar Technique with Differential Attenuation Constraint

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Uncertainties in the rain retrieval algorithm for the GPM dual-frequency precipitation radar

Simulation of Spaceborne Radar Observations of Precipitation: Application to GPM-DPR

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Space borne GPM dual-frequency radar simulation from high resolution ground radar observations

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