Determination of Radar Parameters for Measuring Rainfall Based on Raindrop Size Distribution Data

ZHAO Zhen-wei; WU Zhen-sen; SHEN Guang-de

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Determination of Radar Parameters for Measuring Rainfall Based on Raindrop Size Distribution Data

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- Determination of Radar Parameters for Measuring Rainfall Based on Raindrop Size Distribution Data
- Acta Electronica Sinica Vol. 28, Issue 3, Pages: 109-111(2000)
- 作者机构：
  
  1. 中国电波传播研究所青岛分所,青岛,266071
  2. 西安电子科技大学,西安,710071
  3. 中国电波传播研究所青岛分所青岛,266071
  4. 西安电子科技大学西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN959.4
- Published：2000
- 稿件说明：
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ZHAO Zhen-wei, WU Zhen-sen, SHEN Guang-de. Determination of Radar Parameters for Measuring Rainfall Based on Raindrop Size Distribution Data[J]. Acta Electronica Sinica, 2000, 28(3): 109-111.
DOI：

ZHAO Zhen-wei, WU Zhen-sen, SHEN Guang-de. Determination of Radar Parameters for Measuring Rainfall Based on Raindrop Size Distribution Data[J]. Acta Electronica Sinica, 2000, 28(3): 109-111. DOI：

摘要

本文根据我国青岛、广州和新乡地区实测雨滴尺寸分布数据

计算了球形雨滴雷达反射因子Z

椭球形雨滴雷达反射因子Z

和差分反射率Z

回归给出了这些地区的常规气象雷达测雨算式Z~R关系和多参数雷达测雨算式Z

、Z

~R关系

并对其测雨精度和地区差异进行了比较.

Abstract

Based on raindrop size distribution (DSD) data measured in Qingdao

Guangzhou and Xinxiang

the radar reflectivity factor Z for spherical raindrops

the radar reflectivity factor Z

and diferential reflectivity Z

for oblate ellipsoid raindrops are calculated.The reflectivity-rainfall relation (Z-R relation) for conventional meteorological radar and reflectivity

differential reflectivity-rainfall relation for multiparameter radar (Z

-R relation) are given by regression

and the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed in the paper.

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