The numerical experiment of a fire control accuracy test demonstrates that residual entropy can be used as a measure for dynamic model checking and order determination.
In the premise of ensuring the accuracy of seismic wavelet, reduced the model order as much as possible so as to obtain high-efficiency and high-precision seismic wavelet model order determination.
The centrifugal force caused by rotation of drilling tool will distort the accelerometer outputs, which can only be revised by rotation speed compensation.
The instrumental variable method and LILC criterion are used to estimate the order and parameter of electro-hydraulic position and force coupled system.
Using difference method to smooth the sequence, We determined the order and established the 2010 national maternal mortality ratio forecast model to evaluate the predicting results.
This paper provides a method for the ar order estimation of two dimension ARMA model, and improves an ar parameters estimation method on the basis of autocorrelation function estimation method.
For on-line fault diagnosis of hydraulic AGC system on strip rolling mill, a recursive neural network model based on NARMA was established. The model order is determined by AIC method.
In this paper, ar model has been built for on-line NC turning monitoring and the software has been developed which can decide the order of ar model, analyze ar spectrum, predict working condition.
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18. 对于子系统的性能指标按一定顺序耦合的稳态大系统,采用两级递阶优化控制算法。
Two stage hierarchical optimization control algorithm is adopted for steady state large sized system with its subsystem performance indices coupling in a certain order.
The experiment result showed that sinusoidal tube can effectively inhibit second order harmonic mode, increase first order pressure amplitude and lower down heating block temperature.
In a mandarin tone recognition system, the parameter is usually pitch contour. But the tone can also be partly characterized by pitch difference, energy and energy difference.
The paper illustrates the conclusions about the multiple root of characteristic equation and characteristic vector which fit symmetric tensor of rank two may unfit unsymmetric tensor.
Tunnel ventilation process is approximately a system of time lag of first order, real time control of wind pressure in tunnel pipe is adopted self-tuning fuzzy PID.
The water supply process is approximately a system of time lag of first order, real time control of pressure in pipe is adopted self-tuning fuzzy PID.
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24. 该方法设计的系统优于常规“三阶最佳系统”的暂态性能,具有一定的实用价值。
The designed system of this method is superior to the conventional third-order optimum system in the transient performance and possesses practical value.
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25. 当使用系统辨识方法建立建筑墙体动态热特性模型时,通常将时间离散模型的阶次通常设为定值。
When using the system identification methods to establish the dynamic thermal model of the building wall, the order of the discrete time model was usually set up to be constant value.
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26. 最后介绍了一种分数阶线性定常系统的稳定性判据。
Finally a stability criterion is introduced for linear non time-varying fractional-order systems.
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27. 用试验模态分析方法测取的系统前1阶模态参数,由于噪声等多种因素的影响,具有一定误差。
There must be errors for the measuring values of the first 1 order data of a system due to the noise and other factors in the Testing Model Analysis.
Presents a new method to deal with higher-order process, called hierarchical fuzzy sliding mode control with error-driven adjustment parameters.
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29. 本文所考虑的是二阶非定常系统稳定性的积分不等式判别法。
In this paper we shall discuss the criteria of stability for second-order linear nonautonomous, systems using the integral inequality.
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30. 重力坝算例说明,2阶等效应力具有一定的网格稳定性,适合在重力坝工程中比较局部角缘应力。
The case study of a gravity dam shows that the 2-order equivalent stress is somewhat mesh independent, and suitable to be used to evaluate the corner stress of gravity DAMS.