科技通报
科技通報
과기통보
BULLETIN OF SCIENCE AND TECHNOLOGY
2015年
4期
160-162
,共3页
监测数据%实时%无偏估计%风险
鑑測數據%實時%無偏估計%風險
감측수거%실시%무편고계%풍험
monitoring data%real time%unbiased estimation%risk
持续性实时监测数据的挖掘和调度常用在战场监控、森林火警监测等领域。在对持续性实时监测数据调度和挖掘中,因为战场监控、森林火警等持续性实时监测数据的挖掘中存在物理干扰,会产生时间延迟等风险,需要对其进行无偏估计和风险转化,提高数据的挖掘和实时监测性能。提出一种基于聚集树的持续性实时监测数据的无偏风险挖掘算法,并进行仿真实现。构建持续性实时监测数据的采集和预处理模型,进行监测数据的聚集树关联性分析,求得数据无偏相位特征,得到数据挖掘的最短无偏时延估计值,求得持续性实时监测数据的无偏风险挖掘最优路径无偏估计值。实验结果表明,该算法能有效避免数据挖掘过程中产生的时间延迟风险,通过无偏估计和风险转化,提高数据的挖掘和实时监测性能。
持續性實時鑑測數據的挖掘和調度常用在戰場鑑控、森林火警鑑測等領域。在對持續性實時鑑測數據調度和挖掘中,因為戰場鑑控、森林火警等持續性實時鑑測數據的挖掘中存在物理榦擾,會產生時間延遲等風險,需要對其進行無偏估計和風險轉化,提高數據的挖掘和實時鑑測性能。提齣一種基于聚集樹的持續性實時鑑測數據的無偏風險挖掘算法,併進行倣真實現。構建持續性實時鑑測數據的採集和預處理模型,進行鑑測數據的聚集樹關聯性分析,求得數據無偏相位特徵,得到數據挖掘的最短無偏時延估計值,求得持續性實時鑑測數據的無偏風險挖掘最優路徑無偏估計值。實驗結果錶明,該算法能有效避免數據挖掘過程中產生的時間延遲風險,通過無偏估計和風險轉化,提高數據的挖掘和實時鑑測性能。
지속성실시감측수거적알굴화조도상용재전장감공、삼림화경감측등영역。재대지속성실시감측수거조도화알굴중,인위전장감공、삼림화경등지속성실시감측수거적알굴중존재물리간우,회산생시간연지등풍험,수요대기진행무편고계화풍험전화,제고수거적알굴화실시감측성능。제출일충기우취집수적지속성실시감측수거적무편풍험알굴산법,병진행방진실현。구건지속성실시감측수거적채집화예처리모형,진행감측수거적취집수관련성분석,구득수거무편상위특정,득도수거알굴적최단무편시연고계치,구득지속성실시감측수거적무편풍험알굴최우로경무편고계치。실험결과표명,해산법능유효피면수거알굴과정중산생적시간연지풍험,통과무편고계화풍험전화,제고수거적알굴화실시감측성능。
The real time monitoring data in persistence is commonly used in the field of mining scheduling battlefield moni?toring, forest fire monitoring etc.. In the mining of real-time monitoring data persistent scheduling processing, because of the existence of physical disturbance mining real-time monitoring data of battlefield monitoring, it will have a time delay risk, need to carry on the unbiased estimation and risk transformation, improve the performance of data mining and real time monitoring. An unbiased risk mining algorithm for real-time monitoring persistent data is proposed based on aggrega?tion tree, and simulation is realized. Continuous real-time monitoring data acquisition and pre-processing model is con?structed, analysis of monitoring data aggregation tree relevance is taken, the data unbiased phase characteristics are ob?tained, the data mining of the shortest unbiased estimation of time delay value is obtained, unbiased risk mining optimal un?biased estimator for continuous real-time monitoring data is computed. The experimental results show that, the algorithm can effectively avoid the data mining process of time delay risk, the unbiased estimation and risk transformation is ob?tained, the performance of data mining and real time monitoring is improved.