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自适应过滤
相关语句
  adaptive filtering
     TREC(Text Retrieval Conference) is the most important conference in IR field. Adaptive Filtering track is one of the most important tasks in TREC.
     TREC(Text Retrieval Conference)是信息检索领域中最重要的国际会议,文本过滤是TREC的重要任务之一,自适应过滤是过滤任务的最重要的子任务。
短句来源
     Optimization Method of Adaptive Filtering Utility Target
     信息自适应过滤的效用指标优化方法
短句来源
     Evaluation measure optimization with threshold is one of the most important research areas in Adaptive Filtering.
     对TREC指标函数的优化是一个包括优化时机、优化策略、优化幅度等因素的复杂的过程,是自适应过滤中非常重要的研究方向。
短句来源
     TREC plays an important role in the research area of text retrieval and filtering,and the adaptive filtering track is one of the most important tasks in TREC.
     自适应过滤是文本检索会议(TREC)过滤任务的重要子任务,也最接近真实的环境。
短句来源
     Improved Adaptive Filtering Technique and Its Applications
     改进自适应过滤预测技术及其应用
短句来源
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  self adaptive filter
     THE APPLICATION OF SELF ADAPTIVE FILTER IN ESTIMATING CONSTRUCTION COST OF RAILWAY ENGINEERING
     自适应过滤技术在铁路工程造价估测中的应用
短句来源
  “自适应过滤”译为未确定词的双语例句
     The component element、current employment、critical technology、existing problem and development trend of IF(information filtering) are presented .
     本文介绍了信息过滤技术的发展现状、存在问题和信息过滤方法,并详细讨论了信息过滤的关键技术和一个完整的自适应过滤系统所必须具有的组件。
短句来源
     This system took participate in the 9th Text Retrieval Conference in 2000, and ranked high among all the 15 systems from many countries. Good performance has been achieved, where the average precisions of adaptive and batch filtering are 26.5% and 31.7% respectively.
     该系统参加了2000年举行的第9次文本检索会议的评测,取得了很好的成绩,在来自多个国家的15个系统中名列前茅,其中自适应过滤和批过滤的平均准确率分别为26.5%和31.7%.
短句来源
     Then we present a text filtering system based on vector space model. This system took participate in the Ninth Text Retrieval Conference in 2000, and ranked high among all the 15 systems from many countries. Good performance has been achieved, where the average precisions of adaptive and batch filtering are 26.5% and 31.7% respectively.
     然后详细地描述了我们提出的基于向量空间模型的文本过滤系统,该系统参加了 2000年举行的第九次文本检索会议的评测,取得了很好的成绩,其中自适应过滤和批过滤的平均准确率分别为26.5%和31.7%,在来自多个国家的15个系统中名列前茅.
     The result of Self-Adaptive Filtering is highly correlated with the period of the data.
     自适应过滤法的预测结果同已有数据的时间长度有很大关系。
短句来源
     The experiment results show that according to different mean state updates per second, adaptive-filtering policy couldachieve different task performance.
     实验结果显示根据不同的平均每秒钟传递状态更新数,自适应过滤策略达到的任务性能也不尽相同。
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  adaptive filtering
A new fast adaptive filtering algorithm was presented by using the correlations between the signal's former and latter sampling times.
      
On asymptotic properties of a constant-step-size sign-error algorithm for adaptive filtering
      
This work is devoted to asymptotic properties of a sign-error adaptive filtering algorithm with constant step size.
      
The novel algorithm introduces the homotopy continuation method into the adaptive filtering so as to provide a high stability for adaptive IIR filter without any forms of stability monitoring attached.
      
A statistical noise model and mathematical model of speckle pattern and adaptive filtering approach
      
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This paper has introduced some improvements on the adaptive filtering method. The improved method is of less human interruption higher automation fast calculating speed and less forecasting errors. With the adaptive filtering method middle and long term forecasts can be done accurately based on the historical data. The author believes that it can be applied extensively in our country.

自适应过滤法是一种新颖的预测技术。作者对它进行了改进。改进后的自适应过滤法充分利用计算机的优点,把自适应过滤和计算机寻优结合起来,先对学习常数K和权重个数N进行计算机寻优,然后再实行自适应过滤,具有人工干预少、自动化程度高、计算速度快、预测误差小等特点。用改进后的自适应过滤法,可根据历史观测值准确地进行中长期预测。目前在我国具有推广应用价值。

TREC plays an important role in the research area of text retrieval and filtering,and the adaptive filtering track is one of the most important tasks in TREC.Evaluation measure optimization with threshold is a challenging topic in adaptive filtering.In the paper,TREC evaluation measure is regarded as our target function,and it is compared with maximum likelihood estimation and local target optimization on the threshold tuning.As a result,a local optimization approach combining maximum likelihood estimation is...

TREC plays an important role in the research area of text retrieval and filtering,and the adaptive filtering track is one of the most important tasks in TREC.Evaluation measure optimization with threshold is a challenging topic in adaptive filtering.In the paper,TREC evaluation measure is regarded as our target function,and it is compared with maximum likelihood estimation and local target optimization on the threshold tuning.As a result,a local optimization approach combining maximum likelihood estimation is presented,and it overcomes the shortcomings of above single method.Based on experiments,it proves that this approach can improve effectively the quality of text filtering.

自适应过滤是文本检索会议(TREC)过滤任务的重要子任务,也最接近真实的环境。对评测指标的优化是自适应过滤任务中非常重要的研究方向。论文以TREC的评测指标为目标函数,对在阈值调整中的极大似然估计法和局部优化法进行了比较分析,提出了结合极大似然估计法的局部优化方法,克服了采用单一方法的缺点,实验结果表明这个方法对提高过滤性能是有效的。

 
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