首页> 外文会议>RIAO/OPTILAS 2004 >A 3-D digital terrain model oriented to design a clutter predictor for Mexican Republic
【24h】

A 3-D digital terrain model oriented to design a clutter predictor for Mexican Republic

机译:旨在为墨西哥共和国设计杂波预测器的3D数字地形模型

获取原文
获取原文并翻译 | 示例

摘要

The variation of rainfall intensity with height makes mandatory to look at the rainfall as close to the ground as possible, when scanning the atmosphere by means of weather radars. Weather radar measurements contain many errors, which reduce the quality of the rainfall data. In particular, ground clutter has a strong relationship with the beam elevation angle and the Digital Terrain Model (DTM) around the radar site. Clutter is present when the radar beam intercepts obstacles creating a beam blockage reflecting back part of the incident energy. Due to this relationship, it is possible to predict clutter from a DTM by calculating the amount of this "blocked" energy. We present a software tool able to manipulate a DTM in order to design a clutter predictor for weather radar. This software allows the exploring of the image (rotation, zoom in and out), calculate geographic parameters and have functions to deal with the radar propagation through the atmosphere. The software developed here, in addition, has the possibility to combine the propagation beam with the DTM in order to design a clutter predictor as well as display weather radar products to become the way standard in which all the information is viewed.
机译:降雨强度随高度的变化使得在通过天气雷达扫描大气时,必须尽可能地靠近地面。天气雷达的测量结果包含许多误差,这会降低降雨数据的质量。特别地,地面杂波与波束仰角和雷达站点周围的数字地形模型(DTM)有着很强的关系。当雷达光束拦截障碍物时,会产生杂波,从而形成光束反射回来的一部分入射能量。由于这种关系,可以通过计算此“阻塞”能量的数量来预测DTM的混乱情况。我们提出了一种能够操纵DTM的软件工具,以设计天气雷达的杂波预测器。该软件允许探索图像(旋转,放大和缩小),计算地理参数并具有处理雷达在大气中传播的功能。此外,这里开发的软件还可以将传播光束与DTM结合在一起,以设计杂波预测器并显示天气雷达产品,从而成为查看所有信息的标准方式。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号