XIAO Pei,HUO Juan,BI Yong-heng.Ground-based Ka Band Cloud Radar Data Quality Control[J].Journal of Chengdu University of Information Technology,2018,(02):129-136.[doi:10.16836/j.cnki.jcuit.2018.02.005]
地基Ka波段云雷达数据质量控制方法研究分析
- Title:
- Ground-based Ka Band Cloud Radar Data Quality Control
- 文章编号:
- 2096-1618(2018)02-0129-08
- Keywords:
- Ka band millimeter wave cloud radar; noise-radial interference clutter; suspended clutter clutter rejection; data quality control
- 分类号:
- TN958
- 文献标志码:
- A
- 摘要:
- 针对地基单发双收偏振工作模式的Ka波段毫米波云雷达2014年全年的观测资料,统计分析北京地区非云回波的分布情况,提出噪点-径向干扰杂波与悬浮物杂波的质量控制方法,并对该方法效果进行了检验分析。统计结果表明,杂波有明显的季节和高度分布特征; 同时,质量控制的方法具有较好的成功率与稳定性。无云天空情况下,杂波抑制成功率可达99%,对于有云天气情况,能够较好滤除低空悬浮物杂波对云回波的影响,消除突变点干扰,同时保留云回波。
- Abstract:
- To improve the data quality of Ka band millimeter wave cloud radar with the concept of single-emission and double-receiving,a quality control method for solving problems related to noisy echo,data missing and plankton contamination is presented.The effectiveness of the method was verified by several cases.The results show that the data quality control algorithm is effective with high success rate and stability.Success rates under all weather circumstances reach 99%.With this method,noisy clutter are filtered validly and missing data can be filling well.The plankton echoes can almost be removed clearly while the small scale cloud can be remained.
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备注/Memo
收稿日期:2017-12-28基金项目:国家自然科学基金资助项目(41775032)