风廓线雷达5波束校验计算风的方法

为了改善风廓线雷达观测数据的质量,减少因个别波束测量时被污染而对计算结果造成的误差,提出了进行5波束联合校验计算风的方法。该方法利用风廓线雷达5波束测量数据之间的相关性,根据风廓线雷达5个波束测量值是否通过一致性检查的不同情况进行风的计算。给出了详细的计算流程,并以气球测风结果为参照,对3波束计算法和5波束校验计算法的效果进行了实例对比,结果表明5波束校验计算方法提高了数据的准确性,计算结果与气球测量值之间的误差小,并且在实际工作中已经得到了成功的应用。

Method using five beams to checkout calculate wind in profiler

To improve the quality of wind profiler data, and reduce the error induced by some or other beam’s data contaminated by clutter, a method using five beams to checkout calculate wind was presented. This method,based on the relationship among the beams, makes use of different formula to calculate wind in different circumstances whether the radar data pass consistency check or not. A detailed algorithm was given. And then, using the wind data observed by balloon as a reference, the effect was compared between this method and the three beams calculate wind method. The result shows that the five beams checkout method can get a higher accuracy with fewer error. The method is successfully applied.