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。
The error analysis by the Time-data -Separation Approach of unequal interval sequence is difficult.
对于非等时序列的时数分离可以建立模型,但这种模型误差分析较困难。
The results show that methods of unequal interval statistics are of great importance in earthquake prediction.
不等间距统计法在地震预报中存在着重要作用。
In this paper a five-level PE model with unequal interval of vertical levels is -developed for rainfall prediction.
本文提出一个不等距五层原始方程降水预报模式。
According to this method, a half infinite medium located in cylindrical coordinate system is made discrete by adopting unequal interval mesh.
此法采用不等间隔的网格,将置于柱坐标系中的半无限介质进行离散化。
The results show that when to data to be observed is unequal interval, it is more effective for the grey-chaos time series to analyse the data.
结果表明,当观测数据为非等时序列,采用灰色混沌时间序列进行分析比较有效;
This paper puts forward a counting method of mode of series of unequal interval based on the traditional counting formula of that of series of equal interval. And it has been testified by an example.
文章在传统等距数列众数的计算公式基础上给出了异距数列众数的一个计算方法,并结合一个实例加以验证。
By using above formulae the backwater for equal - interval and unequal - interval submerged dikes can be obtain.
结合试验资料,应用因次分析方法及动量方程,导得了对不同间距的淹没丁坝群的壅水计算式。
An unequal time interval forecasting model of GM (1, 1) is established according to the grey theory in the present paper, which can be modified using the residual error GM (1, 1) model.
运用灰色理论建立了软基沉降的不等时距预测GM(1, 1)模型,并可用残差的GM(1, 1)模型对其进行修正。
Firstly, the definitions of absolute and relative key amounts of FH systems, equal-interval and unequal-interval FH systems are given.
首先给出了跳频系统的绝对密钥量和相对密钥量、等间隔和非等间隔跳频系统等定义;
Firstly, the definitions of absolute and relative key amounts of FH systems, equal-interval and unequal-interval FH systems are given.
首先给出了跳频系统的绝对密钥量和相对密钥量、等间隔和非等间隔跳频系统等定义;
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