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    That will increase the accuracy and efficiency of the model test and the performance prediction.
    这将提高模型试验和性能预报的效率和精度。
    This article abstracted scientific theory and method of grey system,The rock missteady sound emission prediction model were made in computer exploitation by Visual C~(++) and grey theory GM(1,1),it insured local data accurated and celerity and efficency.
    吸收灰色系统的科学理论和方法,运用灰色理论GM(1,1)模型建立岩体失稳声发射预测预报模型并实现预测预报,将整个预测预报系统采用VisualC++语言进行计算机可视化开发,实现了可视操作,保证了对现场监测数据快速、准确处理,提高了监测预报效率
    On this basis, using the least squares method calculated from alterable oblivious factor, the paper has done real-time correction of the routing results of forecast model, therefore, the coefficients of efficiency are improved further.
    在此基础上,运用可变遗忘因子递推最小二乘算法对预报模型汇流结果进行实时校正,洪水预报效率系数有进一步提高。
    These two factors,which affect the accuracy of the method of seismic velocity a great extent,must be paid our attention.
    以上两因素对波速比方法的预报效率影响甚大,值得人们重视。
    The application of Artificial Neural Networks to the prediction of Geomagnetic Index is introduced in this paper. The topology of one of such Networks-Multi-Layer perceptron,which is applied to the prediction of C9 Index, the efficiency of prediction and the features and problems in the practice of prediction are discussed.
    介绍了人工神经元网络在磁情预报中的应用研究.并对具体应用于C9指数预报的MLP的拓扑结构、预报效率及在预报时所表现出的特点和问题进行了讨论.
    The results show that mass-flux scheme gives a more reasonable cumulus rain region than Kuo-type scheme and improves the model daily precipitation forecasts for≥10.0 mm and its precipitation forecasting efficiency skill scores of all kinds of precipitation intensity.
    结果显示:质量通量方案能给出比Kuo型方案更合理的积云降水落区; 质量通量方案对模式预报≥10.0mm的降水有一定的改进,并提高了各种降水等级的预报效率评分值
    By taking full advantages of FMECA and FTA for fault diagnosis, the lack of fault information in traditional methods can be avoided and thus the efficiency of fault diagnosis and prognosis can be raised.
    充分利用FMECA和FTA的信息进行诊断 ,一方面可以避免传统专家诊断和预报中故障信息缺乏的问题 ,从而提高故障诊断和预报的效率 ;
    If it is south wind at 500hPa, the product's forecast accuracy is higher, If it is north wind at 500hPa and 700hPa or it is low troupe at 500hPa and it is northwest wind at 700hPa, the effect is good too.
    在 5 0 0hPa为偏南气流的条件下 ,该数值产品的预报效率较高 ; 对于两层均为偏北气流及高层低槽中空西北气流的天气系统配置预报效率也较高 ;
    The model efficiency exceeded 96% during both calibration and verification periods. The correctness flood peaks value is 92.5%. The errors between the forecasted and observed flood peak time were always within one hour.
    结果表明 ,洪水实时预报的效率系数超过 96 % ,洪峰值合格率为 92 .5 % ,峰现时间误差都在 1 h以内
    Further more, a test method for the effect of earthquake predictor is presented, and the test method is used to the 4 rule, which results in that combining the seismic precursor information in the 0 slope of tilt value and in the seismic sequence can upgrade the efficiency of the prediction.
    提出了一种检验地震预报有效性的方法 ,并用于研究 4种预报规则的有效性 . 结果表明综合 0斜率和地震序列中的前兆信息 ,可以提高预报的效率
 

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