The method deduces the forecast effectiveness of single and combined forecast by introducing confidence field and improving forecast precision matrix.
通过引入可信赖域，改进预测精度矩阵，来推导单个预测和组合预测的阶预测有效度。
We also compared the prognostication precision, endow differ power, and established assembled forecast model.
比较各方法预测精度，赋予不同权重，建立组合预测模型。
The example analysis shows that the method has the better forecast precision and useful value.
实例分析表明，本方法有较好的预测精度和实用价值。
Off-line forecast shows that fuzzy neural network has high precision in predicting metal plastic deformation resistance.
离线预报表明：模糊神经网络预报金属塑性变形抗力有较高的精度。
An example shows the method has a high forecast precision.
实例表明灰色预测方法有较高的预测精度。
The paper realizes the optimum selection of many forecast result, raises the precision of flood forecast with fuzzy mathematics and advanced computer technology.
本文利用模糊数学的理论，通过先进的计算机技术，实现多种预报成果择优，从而提高洪水预报精度。
Results Build two kinds of ANN forecast models of HFRS incidence They are better than traditional method on prediction precision.
结果建立HFRS发病率的两种ANN预测模型，其预测精度远远高于传统方法。
Improvement of precision of bar steel rolling size and performance forecast requires the bar steel precise counting.
随棒材轧制尺寸精度和性能预报准确程度的大幅度提高，对棒材的精确计数要求也越来越高。
Forecast compensation and control technology is an effective method to improve precision internal grinding quality.
预报补偿与控制技术是提高精密内圆磨削质量的有效途径。
Actual computing examples show this model has good applicability and forecast precision.
通过实例计算表明，该模型具有良好的适用性和预性精度。
The solution succeeds on all counts and breaks new ground by allowing the water utility of a major city to control the entire water supply system and forecast demand with precision.
这个方案的成功在于精密的计算，而且为通过控制整个供水系统计划一个大型城市的用水以及预测精确的需求量开辟了一个新天地。
However, the precision of GM (1, 1) grey forecast model are not preferable to model the monitoring series with obvious seasonality.
然而直接应用GM(1,1)灰色模型分析和预报具有季节性的监测序列时往往精度不高。
Improves the precision of the segment demand forecast is the important research topic in aviation revenue management system.
提高航线需求预测精度是航空客运收益管理系统的重要研究课题。
Based on the coupling analysis of the geology and meteorology, it is possible to improve the precision of the landslide forecast.
基于区域地质-气象耦合分析的思路，有可能提高区域性滑坡的预报精度。
The result shows that the MRAGC method is better than both the trending surface and the geological graphics in picking up the fault information and in precision of forecast.
结果表明，该方法在提取断层信息和预测的精度上均明显优于趋势面偏差分析法和传统的地质制图法。
This method masks the influences of random factors on load forecast in a certain extent to improve the forecast precision.
该方法从一定程度上屏蔽了随机因素对负荷预测造成的不利影响，提高了预测精度。
In order to improve the forecast precision of modified GM (1, 1) model, a new parameter estimation formula based on accumulating method to modified GM (1, 1) model is proposed.
为了提高新息改进GM(1,1)模型的预测精度，引入累积法对新息改进GM(1,1)模型的参数进行估计，给出了新的参数估计公式。
The article carefully analyzes characteristics of rainfall and find out main factor in the middle reaches of Wei River and puts forward some advice how to improve precision of flood forecast.
本文认真分析了雨水情特点，找出了渭河中游洪水主要影响因素，对如何提高洪水预报的精度提出了建议。
The engineering practice proves that GM(1, N) model possesses rather good precision and forecast dependability comparing with GM(1,1) model , which hase some applied value on settlement forecast.
通过工程实例，证明GM（1，N）模型与GM（1，1）模型相比有较好的拟合精度和预测可靠度，对沉降预测有很大参考价值。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
由于传统灰色预测模型固有的偏差和模型参数的固定选择，导致预测精度较低，不适应中长期负荷预测。
Compare to them, the result was that the nonlinear combinatorial forecasting method applying to the runoff forecasting based on the wavelet network can improve the forecast precision.
又小波网络较神经网络有更多的优点，通过比较，证实基于小波网络的非线性组合预测方法用于径流预报中更能提高预测的精度。
The example shows that neural network can obtain the satisfied forecast precision and the reliable forecast results.
实例表明，神经网络可以取得满意的预测精度，预测的结果更加可靠。
The results showed that these BP models established have satisfied fitting and forecast precision.
结果表明：所建立的各BP模型，具有令人满意的拟合精度和预测精度。
To counter the fluctuating case of original data, residual periodic model is put forward to increase forecast precision.
针对原始数据波动情况，提出了残差周期模型以提高预测精度。
The forecast result indicated that the model has a high forecast precision.
从预测结果可以看出，模型具有较高的预测精度。
The forecast result of high precision is got in forecast of foundation pit deformation by GM (1, 1) model by means of selecting original data alignment and revision of residual error.
在采用GM(，1)型预测基坑支护变形，通过选取恰当的原始数据序列，并进行残差修正，能得到精度很高的预测结果。
It improves the unequal interval gray forecast model, and the prediction precision is improved.
弥补了传统非等间距原始数据预测模型的不足，提高了灰色预测的精度。
This paper primarily deals with the possibility to improve the forecast precision for Delphi method by use of Bayes' estimation.
本文主要探讨利用贝叶斯估计法改进特尔斐预测精确度的可能性。
The example shows that grey system clustering evaluation can obtain the satisfactory forecast precision and the reliable forecast results.
实例表明，灰色聚类评估方法在煤矿突水预测中可以取得满意的预测精度，预测结果更加可靠。
The average value of absolute error is 2.05% and the biggest error is 5.12% in the model of loom efficiency. The results indicate that ANN model has high forecast precision.
对于织机效率模型，预报误差绝对值的平均为2.05%，最大误差为5.12%，可知模型具有较高的预报精度，人工神经网络对此模型的预报可行有效。
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