海面雷达最大探测距离分布规律快速计算方法研究

田树森; 察豪; 周沫; 刘爱国

doi:10.3724/SP.J.1146.2008.01097

海面雷达最大探测距离分布规律快速计算方法研究

doi: 10.3724/SP.J.1146.2008.01097

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出版历程
- 收稿日期: 2008-09-04
- 修回日期: 2009-03-09
- 刊出日期: 2009-08-19

The Method Study on Calculating Quickly the Distribution of Radar Detection Range over Sea

摘要

摘要: 为解决海面雷达最大探测距离分布规律计算耗时过长的问题，论文首先分析蒸发波导条件下雷达最大探测距离计算方法的特性，给出蒸发波导高度、理查森数和风速对雷达最大探测距离的影响，随后在此基础上提出用查表法计算每条海面气象水文记录对应的雷达最大探测距离，并总结出构建标准距离表的原则。利用查表法很大程度上缩短了计算时间，计算结果与直接计算偏差较小，能满足快速建立海面雷达最大探测距离分布规律的需要。
- 雷达最大探测距离;抛物方程;折射率剖面;查表法
Abstract: To solve the problem of too much time spending on calculating the distribution of radar detection range over sea, firstly ,the method characteristic of calculating radar detection range in condition of evaporation duct is described, the influence of evaporation duct height, the bulk Richardson number and wind speed on radar detection range is presented, then consulting table method based on this influence is advised to use for calculating radar detection range of each weather record over sea and the principle of constructing standard radar detection range table is outlined. The calculating time is greatly shorten by means of consulting table method, the result difference between consulting table method and that of direct calculation is small, so this method can meet the requirement of summarizing the distribution of radar detection range over sea quickly.

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