TWR-01型天气雷达回波特征参数的提取和应用  

On Extraction and Application of Echo Characteristic Parameters of TWR-01 Weather Radar

作　　者：邹书平 张芳钧 

机构地区：[1]贵州省人工影响天气作业指挥中心,贵阳550002

出　　处：《气象》2011年第4期481-489,共9页Meteorological Monthly

基　　金：贵州省社会发展科技攻关项目(黔科合S字[2007](1002))资助

摘　　要：TWR-01型天气雷达是小型数字化雷达,具备GIS和GPS功能,可适应移动式、固定式的增雨防雹作业指挥和气象保障服务。TWR-01型天气雷达回波特征参数的提取技术是基于影像的目标轮廓提取方法。目标轮廓提取方法在图像识别与图像分析中占有重要地位,广泛应用于测量和遥感领域。TWR-01型天气雷达回波特征参数提取的技术方法是按照分层分强度提取和描述回波的几何结构,具有通用的文本数据接口,实现了图像与数据的同步保存,解决人工读取回波数据和数据分析的技术难题。TWR-01型天气雷达特征参数的提取应用,可以定量分析回波的演变趋势和变化规律,监测局地天气变化、增雨防雹预警作业指挥及作业效果的物理评估等,并在此基础上研制了TWR-01天气雷达增雨防雹局地作业预警指挥系统。TWR-01 Weather Radar,a computerized small-scale digital radar,has the function of GIS and GPS,and it is suitable for the mobile or fixed anti-hail operation command and meteorological safeguard and service.The technique of the extraction of echo characteristic parameters of TWR-01 Weather Radar is based on the way of the target outline extraction of images.The way plays an important role in image recognition and image analysis and is widely used in the field of measurement and remote sensing.The technique of the extraction of echo characteristic parameters of TWR-01 Weather Radar is to extract and describe the geometric structure of radar echo according to its layer and intensity,thus possessing general text data connection,achieving then synchronous conservation of images and data and solving the technical problems of echo data and data analysis finished through manpower.The extraction and application of echo characteristic parameters of TWR-01 Weather Radar can help quantitatively analyze the evolution trend of echo and the law of echo change,monitor the change of local weather,conduct anti-hail and warning operation,and assess the result of the operation.Based on this,the command system of anti-hail local operation warning of TWR- 01 Weather Radar is set up.

关 键 词：TWR-01型天气雷达 回波特征参数 目标轮廓提取 增雨防雹 作业预警指挥 

分 类 号：P618.130.2[天文地球—矿床学]