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的预测效果比单一的模型预测效果要好,其预测曲线与实测数据曲线吻合良好。
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,基于皮尔曲线的自适应免疫算法在隧道工程智能预测应用中的优越性和实用性。
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.
泊松曲线是一种精度较高的沉降预测方法,但是它只能在等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。
The problem of conditional optimal prediction for conditional linear predictable variable in the general growth curve model is investigated.
研究了带线性等式约束下增长曲线模型中条件可预测变量的最优预测。
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.
灰色系统预测模型的本质是对已知数据序列进行类型为指数形式的曲线拟合,然后将此曲线延伸到未来,由此对未知的数据做出预测。
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,建立了某机车车轮受力危险点在不同路况下的疲劳寿命曲线。
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,在一定条件下得到了它的最优线性预测量,经验最优线性预测量,最优线性无偏预测量。
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和几何回归模型预测重大节日期间电网日负荷曲线的方法,并编制了相应软件。
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.
对伤寒、副伤寒发病率时间序列(1997 ~ 2003)采用指数曲线拟合,并对2004年伤寒、副伤寒疫情作出预测。
Next-day load curve prediction is the important items of electricity market operation system.
日负荷曲线预测是电力市场运营的基本内容。
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.
本文对房地产周期与收益率曲线反转对经济衰退的预测两个变量的联合预测进行了理论探讨和实证检验。
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.
只要结合桩的P - S曲线形态统一考虑,必要时进行综合判定,预测结果是可靠有效的。
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.
以防砂前油井流入动态(IPR)曲线为基础,考虑各种防砂措施在井底附近造成的附加阻力表皮,建立了一套基于IPR曲线的防砂井产能预测方法。
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的界定值。
In order to realize dynamic real time detection of spherical 3d location, a fast searching algorithm for elliptical curve based on prediction is proposed.
为了实现对球体三维位置的动态实时检测,提出一种基于预测的椭圆曲线快速搜索算法。
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.
对未压坏桩后半段荷载沉降曲线进行预测时发现,桩的破坏模式对预测的效果影响较大。
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.
驱替特征曲线法是研究油田含水规律、预测开采指标和标定可采储量最常用的方法,目前已形成50多种。
To provide advanced 3d curve prediction algorithm, the line is smooth, to ensure the running speed and accuracy of the curve.
提供先进的三维曲线预测算法,折线平稳,确保曲线运行速度和精度。
[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]对伤寒、副伤寒发病率时间序列(1997 ~ 2003)采用指数曲线拟合,并对2004年伤寒、副伤寒疫情作出预测。
According to contrast index curve model and hyperbolic model results, the power of multi- Item type prediction accuracy is higher than the latter two.
对比指数曲线模型和双曲线模型的结果可知,幂多项式模型的预测精度均高于后两者。
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。
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,各种方法适应性都很强,其中以累积分布曲线法的精度最高,其精度是82.7%。
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.
在工程进度曲线的基础上,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。
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...
只要结合桩的P - S曲线形态统一考虑,必要时进行综合判定,预测结果是可靠有效的。
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.
以临床应用性能(ROC)曲线下的面积比较预测患2型糖尿病的各种模型的预测效能。
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.
提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条,从而进一步完善和丰富了现有的增长曲线法。
The proposed method can give more reasonable and more promising prediction results as compared with polynomial curve fitting technique.
此外,与多项式曲线拟合法的对比分析表明,该方法优于传统的多项式曲线拟合法,具有更好的预测效果。
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法尝试预测诱增交通量,并通过实例验证,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。
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法尝试预测诱增交通量,并通过实例验证,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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