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预测系统
灰色预测模型称为CM模型,G为grey的第一个字母,M为model的第一个字母。GM(1,1)表示一阶的,一个变量的微分方程型预测模型。GM(1,1)是一阶单序列的线性动态模型,主要用于时间序列预测。 一、GM(1,1)建模 设有数列 共有 个观察值 对 作累加生成,得到新的数列 ,其元素 (5-1) 有: 对数列 ,可建立预测模型的白化形式方程, (5-2) 式中: ——为待估计参数。分别称为发展灰数和内生控制灰数。设 为待估计参数向量 则 按最小二乘法求解, 有: (5-3) 式中: (5-4) (5-5) 将(5-3)式求得的 代入(5-2)式,并解微分方程,有 (1,1)预测模型为: (5-6)(gray forecasting model called CM model, the G-gray of a letter, the M model for the first letter. GM (1,1), a band of a variable type of differential equation models. GM (1,1) is a sequence of single-band linear dynamic model, mainly for time series prediction. A GM (1,1) model series with a total value of observation for the cumulative production, to a new series of its elements (5-1) : The series, we can establish the prediction model albino form of equation (5-2) where :-- to question the estimated parameters. The development will be known as the gray and hygiene control within a few gray. Set parameters to be estimated according to Vector least squares method, are : (5-3) where : (5-4) (5-5) (5-3) that obtained in lieu of income (5-2)- and solutions differential equations, (1 1) Fore)
- 2005-01-26 15:33:02下载
- 积分:1
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gussl
掌握用MATLAB编写LU分解法与PLU分解法的程序;(The preparation of master LU decomposition method with MATLAB and the PLU decomposition procedure)
- 2010-03-14 15:02:38下载
- 积分:1
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espritalgorithm
Simulation of ESPRIT
- 2015-03-09 18:11:32下载
- 积分:1
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GA-Tuned-Input-Shaper
Use a Genetic Algorithm to find shaper parameters which best fit model response
- 2014-02-01 01:13:04下载
- 积分:1
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fading
Program to simulate Rayleigh fading using a p-th order autoregressive model AR(p) according to
Baddour s work: Autoregressive modeling for fading channel simulation , IEEE Transaction on Wireless Communications, July 2005.
- 2016-07-09 02:43:24下载
- 积分:1
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stbc21
stbc在锐利信道的2发2收情况下的信噪比与误码率(stbc sharp channel 2 in the hair under 2 receive signal to noise ratio and bit error rate)
- 2010-06-24 06:02:04下载
- 积分:1
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GMSK_signal_generate
GSM中GMSK调制信号的产生,包括脚本文件和函数文件形式(GSM GMSK modulation in the signal generation, including the form of script files and function files)
- 2011-01-06 11:40:59下载
- 积分:1
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ac_dc312
说明: 该模型设计的是AC-DC换流器,能够将交流电转换为直流电压,用于整流控制(AC-DC converter)
- 2010-05-03 09:36:44下载
- 积分:1
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bp
说明: 合成孔径雷达成像,后向投影算法仿真,单发单收天线阵(Synthetic Aperture Radar Imaging, Retropolierungsmethode Algorithmus Simulation, einem Einkommen einzelnen Antennen-Array)
- 2013-05-02 19:11:41下载
- 积分:1
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huigui
一元线性回归分析的源码,通过几组数据来对该数据进行分析是否回归显著(Linear regression analysis of the source, through several sets of data to the regression analysis of the data is significant)
- 2008-01-21 16:54:50下载
- 积分:1