Considerations for WSR-88D upgrades to improve rainfall measurements

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作者：
Natl Severe Storms Lab, Norman, United States [1 ]
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Conf Radar Meteorol | / 278-280期
关键词：
Directional patterns (antenna) - Doppler radar - Electromagnetic wave polarization - Radar antennas - Radar measurement - Radar reflection - Radomes - Rain - Rain gages;
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摘要：
The National Severe Storms Laboratory is currently upgrades to the WSR-88D (NEXRAD) radar to improve rainfall measurements. An engineering evaluation is carried out to determine if the WSR-88D antenna assembly with minimum modification could be used in a polarimetric mode. Experiments with the CSU-CHILL radar are performed to compare polarimetric transmissions of H, V waves. Overall, measurements and theory indicate that simultaneous transmission and reception of H, V waves should produce at least as good or, perhaps, better results than the STAR or HV modes.
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