• ARMA model has been widely used in stochastic hydrologic field.

    ARMA模型在随机水文学及其他领域中有广泛的应用。

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  • After thorough analysis these tests data, design a corresponding ARMA model.

    深入分析寿命试验数据,并对其建立arma模型。

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  • Several criteria such as AIC and SIC are usually used in ARMA model selection.

    AIC与SIC等准则函数方法是arma模型选择过程中经常使用的方法。

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  • In this paper a linear method for parameter estimation of ARMA model is proposed.

    本文提出估计ARMA模型参数的一种线性方法。

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  • It is shown that an ARMA model of minimum order exists for a given target spectrum.

    论文表明,对给定的目标谱,存在一最低阶的ARMA模型。

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  • In this paper, the mathematic models for sea waves are expressed as the ARMA model.

    本文研究了用arma模型描述海浪运动的数学模型。

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  • ARMA model of nonlinear structural vibration and control systems were studied in this paper.

    本文研究了结构非线性振动及其控制系统的ARMA模型的建立问题。

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  • With analysis of meteorological temperature data, ARMA model is produced to predict and control the system.

    并对气象温度数据进行了ARMA建模,对系统进行预测报警。

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  • Compared with one-order linear model, ARMA model and fuzzy reasoning model, this model has better writing effect.

    与一阶线性模型、ARMA模型和模糊推理模型进行比较,结果表明该模型的书写效果较好。

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  • Power function, periodical function, and ARMA model are established according to the characteristics of sub-series.

    然后根据各子序列的特性分别建立幂函数、周期函数或ARMA模型并进行预测。

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  • To the ununiqueness of multiple ARMA model, in the paper we give a restriction that makes multiple ARMA model be unique.

    本文针对多元ARMA模型形式的不唯一性,给出了一个限制条件,使得多元ARMA模型的形式具有了唯一性。

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  • At present, the time series analysis method often USES AR or ARMA model, this method is very complicated and difficult to apply.

    目前时间分析方法多采用AR或ARMA模型,但由于实际问题错综复杂,导致模型求解困难,实际中难以应用。

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  • The recursive neural network based nonlinear approaching ARMA model is adopted for short-term power load prediction in this paper.

    本文用递归神经网络逼近非线性ARMA模型预测电力短期负荷。

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  • However, when the order of ARMA model is very high, to compare every candidate model's criterion value is computationally infeasible.

    但是,当模型的阶数很高时,无法计算并比较每一个备选模型的准则函数值。

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  • This paper introduces the feasibility of inner recursion networks using in non-linear ARMA model approaching and time series forecasting.

    该文介绍了内回归神经网络逼近非线性ARMA模型、用于时间序列预测的可行性。

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  • We use ARMA model to describe the seismic wavelet, and use genetic algorithms to estimate the ar parameters and the ma parameters iteratively.

    该方法用ARMA模型描述地震子波,用遗传算法交替迭代地估计AR和MA参数。

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  • ARMA model is one of the most common models in the modern time series analysis which is widely used in scientific researches and engineering systems.

    ARMA模型是现代时间序列分析中最为常用的模型之一,在科学研究和工程系统中具有广泛的运用。

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  • In this paper, the method of weighted least square estimate is proposed to construct ARMA model, which can be applied in power system load forecasting.

    采用加权最小二乘法参数估计方法,得到应用于电力系统日负荷预测和月负荷预测的ARMA模型。

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  • The ARMA model was used to describe the prior distribution of observed discharge and the ar model was adopted to simulate the likelihood function of forecasting error.

    该模型采用ARMA模型描述实测流量的先验分布,采用AR模型模拟预报残差的似然函数,并假定先验分布和似然函数均服从正态分布。

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  • Combined with certain type time series recount multiplicity model and random type ARMA model, establish the time series model of the death rate in Chongqing urban area.

    应用确定型的时间序列分解法乘法模型与随机型的arma模型相结合,建立重庆市主城区人口死亡率的时间序列模型。

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  • It is shown that the second order structure is similar to a linear ARMA model with uncorrelated errors. In the end, the best linear predictors are given for USDBL models.

    证明了该模型的二阶特性与一个线性平稳arma模型相似,最后给出了该模型的最优化线性预报方法。

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  • Then algorithm analysis of network traffic model, a brief introduction of the Poisson model, Markov model, ar, MA, ARMA model, focused on analyzing ARIMA model algorithm.

    接着对网络流量模型算法分析,简单介绍了泊松模型,马尔科夫模型,AR,MA,ARMA模型,重点分析了ARIMA模型算法。

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  • This paper bases on lattice iterate identification method for ARMA model, pushes out its recursive algorithm, puts forward a determination order method for this algorithm.

    本文针对ARMA模型的格型迭代法,推出了它的递推算法,并针对本算法提出了相应的判价方法。

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  • Moreover, SVM-based forecasting model performs faster than ARMA model to forecast the communication traffic. Generally speaking, the overall performance of SVM model is optimal.

    而且SVM的预测速度明显比arma模型快,综合各方面考虑,SVM预测模型的整体性能最优。

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  • The results of numeric simulation and real seismic data processing showed that the ARMA model was characterized by parameter-economic and high efficiency in comparison with MA model;

    数值模拟结果和实际地震数据处理结果表明:自回归滑动平均(ARMA)模型比滑动平均(MA)模型具有参数节省、模型更为高效的特点;

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  • Through study, the noise of time series have decreased a lot compared to primary time series, and we can concluded that ARMA model is a good method for research GPS height time series.

    通过研究表明利用ARMA模型有利于降低GPS高程时间序列噪声,可用于GPS高程时间序列的分析和研究。

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  • From the discrete solution of the equation of vibration of engineering structure, the equalility of the neural network based time domain identification and the ARMA model was verified.

    基于自回归滑动平均模型(ARMA),利用时间序列建模,提出了利用组合模型对网络流量进行预测的方法。

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  • From the discrete solution of the equation of vibration of engineering structure, the equalility of the neural network based time domain identification and the ARMA model was verified.

    基于自回归滑动平均模型(ARMA),利用时间序列建模,提出了利用组合模型对网络流量进行预测的方法。

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