灰色的

Based on grey system theory and fuzzy theory, uncertain decision making problems and several relative articles were studied, then points out the advantage and shortage of them when dealing with grey fuzzy set were pointed out.

以灰色系统理论和模糊数学为基础，探讨了不确定型决策问题的特性，分析了一些相关成果中所给方法在直接处理灰色模糊数方面的优势与不足。

The grey predicative control is a fully new control mode based grey system theory.

灰色预测控制是以灰色系统理论为依据的一种全新的控制模式。

According to the characteristics presented by armed helicopters during cruising or searching for ground targets, this paper has established the mean-square deviation stationary random model of helicopter tracks. It is an important method to decorrelate the measure noise by estimating the parameters of the color noise online. Kalman filtering and forecasting have been made with helicopter tracks. The simulated study has been carried out on helicopter tracks under the condition of color noise. It is very difficult to get an accurate and reliable prediction when the data is very limited. The paper make use of the theory of grey system to resolve the problem of prediction of helicopter tracks, establishing the GM model of grey systems and the cumulative residual error model of n degree, then correcting the GM forecast model. In the period of sampling, GM model and residual error model have been established on line to improve prediction precision.

结合武装直升机在巡航或搜索地面目标的特点，给出直升机航迹模型为协方差平稳随机模型，在线估计有色噪声参数，对测量噪声去相关，对直升机航迹进行卡尔曼滤波与预估，最后对有色噪声条件下的航迹进行了仿真研究；在数据非常有限的情况下，准确地预测又很困难，本文提出了用灰色系统理论解决直升机航迹预测问题，建立了灰色系统GM预测模型和n次累加残差模型并对GM预测模型进行修正，在每个采样期间内，实时在线建立GM预测模型和残差模型以提高预测精度。

Based on grey system the ory, we first propose some methods to the processing of measuring data in revers e engineering.

本文首次将灰色系统理论应用于逆向工程中测量数据的处理，提出了几种基于灰色系统理论的数据处理方法。

When dynamic structure of system is stabile relatively, a macro adjusting and forecasting model of system cloud gray is proposed, and its solution is investigated.

在系统动态结构相对稳定的条件下，结合系统动力学和系统云灰色模型，提出了一种系统云灰色宏观调控预测模型，并对该模型的求解方法进行了研究。

The normal water level of a reservoir is a key parameter for hydropower station operation. A multi-objective decision-making model is developed by grey correlation analysis, which can effectively treat unquantifiable grey evaluating indicators.

水库正常蓄水位是水电站的主要参数之一，用灰色关联分析建立起多目标决策模型，有效处理了不可量化的灰色评价指标，对三峡水库正常蓄水位方案进行了选择。

Firstly, data processing method based on gray theory is used to change acoustic emission information into prediction data. Then prediction data is transformed into essential format of cusp catastrophic model by the least squares principle curve fitting and differential coefficient homeomorphous change. Finally, the gray and catastrophic prediction model is put forward to forecast failure time of rock slope.

首先运用灰色理论对声发射监测数据进行处理，得到预测数据，运用最小二乘曲线拟合展开，再运用微分同胚变换，转换为尖点突变模型的基本形式，建立灰色突变预测预报模型，从而对崩塌的时间进行预报。

Based on the idea that mineral resources system is a kind of grey system and geophysical prospecting information is a kind of grey system of information, a new inversive method combining grey relation with orthogonal test for gravitational inverse problem is discussed.

基于矿产资源系统是灰色系统及物探信息是灰色信息系统的观点，探讨了将灰关联分析方法与正交试验方法相结合求解重力反问题的新方法。

Through the comprehensive analysis of the indexes system of the safe reliability of coal ventilative system and on the basis of grey analysis theory,the multiple structural model of the comprehensive assessment is determined and the method of grey multiple comprehensive assessments is established.

通过对通风系统安全可靠性评价指标体系的综合分析，笔者基于灰色并联分析理论，确定了综合评判的层次结构模型，建立了灰色多层次综合评判方法。

At last, the gray distance of the projects is calculated.

本文在灰色关联分析中关联度计算方法的基础上，利用灰色距离提出一种工程项目相似性分析的定量方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。