摘 要：X 波段双线偏振天气雷达是识别粒子相态、粒子尺度谱分布等信息的重要设备之一。从系统设计角度介绍了雷达的基本原理、组成、技术特点。系统的收发前置设计，减少了回波信号在馈线系统中传输的损耗，避免旋转关节等器件的指标起伏对双线偏振参数的影响。
关键词：天气雷达；系统设计；收发前置；损耗
中图分类号：P415.2 文献标识码：A 文章编号：2096-4706（2018）01-0084-04
The Design of X-band Dual Polarization Weather Radar Based on the Transceiver Front
CHENG Zhangfan
（Anhui Sun Create Electronics Co.，Ltd.，Hefei 230088，China）
Abstract：X-band dual polarization weather radar is to identify the particle morphology and particle size distribution，one of the important equipment of information. The basic principle，composition and technical characteristics of radar are introduced from the perspective of system design. The system is designed to send and receive，reduce the loss of echo signal in the feeder system and avoid the influence of the indicator fluctuations of the rotating joint and other devices on the polarization parameters of the two lines.
Keywords：weather radar；system design；sending and receiving equipment front；loss
参考文献：
[1] 张培昌，杜秉玉，戴铁丕. 雷达气象学 [M]. 北京：气象出版社，2000.
[2] 焦中生，等. 气象雷达原理 [M]. 北京：气象出版社，2005.
作者简介：程张凡（1984 －），男，硕士，工程师，主要从事气象雷达系统研究。