成都信息工程学院学报
成都信息工程學院學報
성도신식공정학원학보
JOURNAL OF CHENGDU INSTITUTE OF METEOROLOGY
2001年
2期
110-116
,共7页
段勇%贺敬安%谈曙青
段勇%賀敬安%談曙青
단용%하경안%담서청
雹云回波%确定阈值%自动识别系统
雹雲迴波%確定閾值%自動識彆繫統
박운회파%학정역치%자동식별계통
利用CAPPI资料对立体风暴进行识别,计算并提供出实用的风暴结构参数;采用矩心跟踪法和矩不变量法相结合对单体风暴和混合性风暴回波进行跟踪;最小二乘线性外推预报;根据WSD-88D的冰雹算法,在风暴结构基础上本文建立了Windows98操作平台上冰雹识别系统。经单站1年11次强对流天气过程的资料检验,结果表明:雹云识别精度达82%。系统建立了大量人机对话框以方便用户,增加实用性及推广性。
利用CAPPI資料對立體風暴進行識彆,計算併提供齣實用的風暴結構參數;採用矩心跟蹤法和矩不變量法相結閤對單體風暴和混閤性風暴迴波進行跟蹤;最小二乘線性外推預報;根據WSD-88D的冰雹算法,在風暴結構基礎上本文建立瞭Windows98操作平檯上冰雹識彆繫統。經單站1年11次彊對流天氣過程的資料檢驗,結果錶明:雹雲識彆精度達82%。繫統建立瞭大量人機對話框以方便用戶,增加實用性及推廣性。
이용CAPPI자료대입체풍폭진행식별,계산병제공출실용적풍폭결구삼수;채용구심근종법화구불변량법상결합대단체풍폭화혼합성풍폭회파진행근종;최소이승선성외추예보;근거WSD-88D적빙박산법,재풍폭결구기출상본문건립료Windows98조작평태상빙박식별계통。경단참1년11차강대류천기과정적자료검험,결과표명:박운식별정도체82%。계통건립료대량인궤대화광이방편용호,증가실용성급추엄성。
The three-dimensional storm cloud is recognized with the CAPPI data and its structural parameter is calculated. The echoes of the single and complex storm are tracked with the integrated method of the centroid trace and unchanged moment and they are predicted by the least-square extrapolation. In addition, according to the WSD-88D algorithm of hail storm and the basic of its structure, the automatic recognition system of hail cloud is set up on the Windows 98. Having checked the 11 data of the severe convective storm in one year, the results show that the 82% hail cloud are recognized. There are many man-machine interfaces in the system, which are convenient for the uses.