CHEN Xia,WANG Haijiang,WU Lei,et al.A Synthetic Quality Control Method of Wind Profile Radar Data[J].Journal of Chengdu University of Information Technology,2021,36(05):485-492.[doi:10.16836/j.cnki.jcuit.2021.05.002]
一种综合的风廓线雷达数据质量控制方法
- Title:
- A Synthetic Quality Control Method of Wind Profile Radar Data
- 文章编号:
- 2096-1618(2021)05-0485-08
- Keywords:
- wind profile radar; quality control; spectral peak search; horizontal wind; ground clutter; median test
- 分类号:
- TN959.4
- 文献标志码:
- A
- 摘要:
- 风廓线雷达是新一代高空大气探测设备,可实现对大气风速、风向、温度、湿度的遥感探测,但受探测原理的约束,当存在地物、降水等情况时观测数据可信度将大大降低。为提高数据质量,选取多地风廓线雷达数据和探空气球观测资料,建立一套完整的风廓线雷达数据质量控制流程。研究结果表明:通过谱线和廓线质量控制相结合,对比探空气球观测数据和雷达厂家质控数据后发现质控后的数据可信度大大增加; 在有效高度内,将所得数据分解为水平北风和水平东风,质控后的风速数据与探空气球观测风速数据误差不超过5 m/s,为二次产品的开发打下良好的数据质控基础。
- Abstract:
- Wind profile radar is a new generation of high-altitude detection equipment, which can realize the remote sensing detection of wind speed, wind direction, temperature and humidity. However, due to its own detection principle, the information credibility will be greatly reduced when it is affected by landmarks and precipitation. In order to improve the data quality, this paper establishes a complete set of wind profile radar data quality control process by the multi-ground wind profile radar data and sounding balloon observation data. The results illustrate that the information credibility is greatly increased through the combination of power spectrum and wind profile quality control after comparing with the sounding balloon observation data and the quality control data from radar manufacturers. Within the effective altitude, the data after quality control is divided into horizontal north and horizontal east wind speed, and the error between it and the data observed by sounding balloon does not exceed 5 m/s, which lays a good data foundation for the development of secondary products.
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备注/Memo
收稿日期:2021-03-28
基金项目:国家自然科学基金资助项目(U1733103)