ATTENUATION CORRECTION AND RAINDROP SIZE DISTRIBUTION WITH DUAL-POLARIZATION RADAR MEASUREMENTS AT KU-BAND

被引：0
|
作者：
Chen, Haonan [1 ]
Chandrasekar, V. [1 ]
Lim, Sanghun [2 ]
Beauchamp, Robert M. [1 ]
机构：
[1] Colorado State Univ, Ft Collins, CO 80523 USA
[2] Korea Inst Civil Engn & Bldg Technol, Goyang, South Korea
来源：
2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2016年
基金：
美国国家科学基金会;
关键词：
D3R; Ku-band; dual-polarization; DSD retrieval; attenuation correction; WEATHER RADAR;
D O I：
10.1109/IGARSS.2016.7729133
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Weather radar signals at high frequencies such as Ku-band are attenuated along the propagation path through rainfall. Hence, reflectivity and differential reflectivity measurements at such frequencies should be corrected for attenuation before any quantitative applications such as the retrieval of raindrop size distribution (DSD), which is a fundamental descriptor of rainfall microphysics. This paper presents the attenuation correction algorithm implemented for NASA Dual-frequency Dual-polarized Doppler Radar (D3R) Ku-band observations. The dual-polarization based correction performance is evaluated with the self-consistency criterion. In addition, the DSD parameters are estimated with the attenuation corrected observations, and the preliminary results are shown.
引用
收藏
页码：536 / 539
页数：4
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