• The result indicates that the effect of the prediction by using this method is superior to other single model and its prediction curve coincide with the actual measured curve.

    结果表明,变权重组合预测模型预测效果单一的模型预测效果要好,预测曲线实测数据曲线吻合良好。

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  • The research results show that the adaptive immune algorithm of the Pearl curve has superiority and effectiveness for intellectuality prediction of tunnel engineering.

    研究结果显示,基于皮尔曲线适应免疫算法隧道工程智能预测应用中的优越性实用性

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  • Poisson curve is a accurate method of settlement prediction, but it is used in condition of equal interval data, which is hard to carry out in actual engineering.

    曲线精度较高沉降预测方法,但是只能时空距数据条件下才能使用,在工程实际中观测的数据很难满足这一要求。

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  • The problem of conditional optimal prediction for conditional linear predictable variable in the general growth curve model is investigated.

    研究了线性等式约束下增长曲线模型条件预测变量预测

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  • The essence of the gray prediction model is to fit the known data sequence with an exponent form to a curve, and then extend the curve to the future in order to predict the unknown data.

    灰色系统预测模型本质已知数据序列进行类型指数形式曲线拟合,然后将此曲线延伸未来,由此未知的数据做出预测。

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  • Based on fatigue life prediction theory, fatigue life curve of dangerous points of wheels under force of a certain locomotive was established.

    根据疲劳寿命预测理论,建立了机车车轮受力危险在不同路况下疲劳寿命曲线

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  • The optimal linear linear prediction experiential optimal linear prediction and optimal linear unbiased prediction in the general growth curve model are obtained.

    研究了一般增长曲线模型未来观察的预测问题,一定条件下得到了它的最线性预测量,经验最优线性预测量,最优线性无偏预测量。

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  • A method to use the grey prediction model and geometric regression model to predict the daily load curve of power systems during the great holiday is proposed. A relevant software is presented.

    本文提出了运用灰色预测模型几何回归模型预测重大节日期间电网负荷曲线方法,并编制了相应软件

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  • Exponential curve was employed in studying time series of typhoid and paratyphoid (1997-2003) and incidence rate of year 2004 was predicted based on the prediction model.

    伤寒副伤寒发病率时间序列(1997 ~ 2003)采用指数曲线拟合,对2004伤寒、副伤寒疫情作出预测

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  • Next-day load curve prediction is the important items of electricity market operation system.

    负荷曲线预测电力市场运营基本内容

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  • The paper theoretically investigates housing cycle and inverted yield curve and empirically tests the result of combined prediction of economic recession by these two variables.

    本文房地产周期收益率曲线反转对经济衰退预测两个变量的联合预测进行了理论探讨实证检验。

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  • Provided united consideration in combination with the P-S curve of a pile and necessary comprehensive judgement were conducted, the prediction result would be reliable and effective.

    只要结合P - S曲线形态统一考虑必要时进行综合判定预测结果可靠有效的。

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  • Based on oil well IPR curve and the special consideration of the additional skin factors caused by sand control measures, a new productivity prediction model for sand control Wells is developed.

    防砂油井流入动态(IPR)曲线为基础,考虑各种防砂措施井底附近造成附加阻力表皮,建立了一套基于IPR曲线的防砂产能预测方法。

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  • ROC curve was used to determine the cut-off value of pre-operative metastases prediction.

    建立ROC曲线确定术前淋巴结转移预报界定

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  • In order to realize dynamic real time detection of spherical 3d location, a fast searching algorithm for elliptical curve based on prediction is proposed.

    为了实现球体位置动态实时检测,提出一种基于预测椭圆曲线快速搜索算法

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  • It is found, during the prediction of the last potion of load-settlement curve, that the failure patterns of piles have an essential influence on the accuracy of the prediction.

    对未压坏后半段荷载沉降曲线进行预测发现,桩破坏模式预测的效果影响较大

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  • Water displacement curve is the most common method for water cut rule study, productive index prediction and recoverable reserve calibration. There are more than 50 methods of such a kind nowadays.

    驱替特征曲线研究油田含水规律预测开采指标标定储量常用方法,目前已形成50多种

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  • To provide advanced 3d curve prediction algorithm, the line is smooth, to ensure the running speed and accuracy of the curve.

    提供先进曲线预测算法折线平稳确保曲线运行速度精度

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  • [Methods] Exponential curve was employed in studying time series of typhoid and paratyphoid (1997-2003) and incidence rate of year 2004 was predicted based on the prediction model.

    [方法]伤寒副伤寒发病率时间序列(1997 ~ 2003)采用指数曲线拟合,对2004伤寒、副伤寒疫情作出预测

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  • According to contrast index curve model and hyperbolic model results, the power of multi- Item type prediction accuracy is higher than the latter two.

    对比指数曲线模型双曲线模型结果可知,多项式模型的预测精度高于两者。

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  • A test for prediction of MCP life-time is described and it is pointed that the life-time curve of MCP depends on negative exponent distribution.

    叙述预测微通道板工作寿命试验过程,指出微通道板工作寿命曲线服从负指数分布

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  • Results show that all the methods are effective in prediction, and, of them, the method of accumulated distribution curve resulted the highest precision of 82.7%.

    结果表明各种方法适应性很强,其中累积分布曲线精度最高,其精度82.7%。

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  • On the basis of the project progress curve and according to the data from it, the grey system theory is applied to establish a model for the prediction of progress deviation.

    工程进度曲线基础上根据进度曲线所提供数据运用灰色系统理论建立一种进度偏差预测模型

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  • Provided united consideration in combination with the P-S curve of a pile and necessary comprehensive judgement were conducted, the prediction result would be reliable an...

    只要结合P - S曲线形态统一考虑必要时进行综合判定预测结果可靠有效的。

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  • The discriminatory power of various prediction models for development of type 2 diabetes was tested with the area under the receiver-operating characteristic (ROC) curve.

    临床应用性能(ROC)曲线下的面积比较预测2型糖尿病各种模型的预测效能。

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  • Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed, thus perfecting and abounding in the existed growth curve methods further.

    提出三角函数表示的一类用于油田开发指标预测增长曲线共6条,从而进一步完善丰富现有的增长曲线法。

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  • The proposed method can give more reasonable and more promising prediction results as compared with polynomial curve fitting technique.

    此外多项式曲线拟合法的对比分析表明,方法优于传统的多项式曲线拟合法,具有更好预测效果。

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  • Especially it USES the growth curve method to forecast induced traffic volume, it found that the method can improve the prediction precision obviously through the examples 'analysis.

    特别是运用生长曲线尝试预测交通量通过实例验证,预测诱增交通量在一定程度上有效地提高了预测的精准度。

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  • Especially it USES the growth curve method to forecast induced traffic volume, it found that the method can improve the prediction precision obviously through the examples 'analysis.

    特别是运用生长曲线尝试预测交通量通过实例验证,预测诱增交通量在一定程度上有效地提高了预测的精准度。

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