This paper discusses the grey accumulation of original data and the grey derivative's white value, and proposes an unbiased direct grey model.
本文在深入讨论了灰色系统背景值以及灰色序列生成等问题，提出了无偏直接灰色模型。
The model has the advantages of direct grey model and unbiased grey model; it can express the changing characteristics of raw sequence, and is unbiased.
该模型同时具备直接灰色模型和无偏灰色模型的优点，能够直接描述原始数列的变化特性并且没有偏差。
If data have accurate index law, direct data grey model should build to do with them.
如果数据本身具有准指数规律，应该按照直接数据灰色模型的建模方法。
Grey theory is used to forecast the fire frequency and the direct economic losses from 2000 to 2005 in Nanan District, Chongqing city.
运用灰色理论预测了2000 - 2005年重庆南岸区火灾次数与直接经济损失。
A direct generalized predictive control algorithm of MIMO systems based on multivariable grey model is presented.
基于多变量灰色系统模型，提出了一种MIMO系统的广义预测控制直接算法。
Based on the GM (1, 1) direct modeling method, a method of establishing grey logistic model is put forward, and a grey logistic model of Wenzhou population is obtained.
基于GM(1,1)直接建模法，本文提出了建立灰色Logistic模型的一种方法，并进而建立了温州市人口的灰色Logistic模型。
Based on the GM (1, 1) direct modeling method, a method of establishing grey logistic model is put forward, and a grey logistic model of Wenzhou population is obtained.
基于GM(1,1)直接建模法，本文提出了建立灰色Logistic模型的一种方法，并进而建立了温州市人口的灰色Logistic模型。
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