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stability相关的网络例句

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与 stability 相关的网络例句 [注:此内容来源于网络,仅供参考]

Also the problems of stochastic controllability, observability and stability of the filter are studied, a simple observability criterion for the time-invariant systems is set up, error band of the filtering is given theoretically, and the filtering stability results are proved under more general conditions; besides, the filtering error caused by uncorrect mathematical models is analysed.

本文还研究了随机能控能观性及滤波的稳定性问题,建立了结构简单的平稳定常系统的能观性判据,在理论上给出了滤波算法的误差范围,在更一般的条件下证明了最优滤波算法的稳定性;并从理论上分析了模型误差对滤波产生的影响。

According to the Lyapunov stability theory, the weight update law of neural network, the adaptive law of error bound and the feedback control are obtained, thus the stability of closed-loop control system is ensured.

基于Lyapunov稳定性理论,得到了神经网络的权值更新律、误差界自适应律及反馈控制律,确保了闭环控制系统的稳定性。

According to the Lyapunov stability theory, the weight update law of neural network, the adaptive law of error bound, the stabilizing function and the control are obtained, thus the stability of closed-loop control system is ensured.

基于Lyapunov稳定性理论,得到了神经网络的权值更新律、误差界自适应律、稳定函数及控制律,确保了闭环控制系统的稳定性。

Firstly,the differential equation with parameters is given,at the same time,in order to let the truncation error of differential equation reach O(Δt~2+Δx~4) as high as possible,the method of undetermined coefficent is used to appropriately select the expression of these parameters.Secondly,the stability condition of the scheme derived is given by using the Fourier method of stability analysi...

首先给出了含参变量的差分方程,并用待定系数法适当地选取了这些参数的表示式,以使差分方程的截断误差阶尽可能高地达到了O(Δt2+Δx4);其次用稳定性分析的Fourier方法给出了所得格式的稳定性条件;然后给出了确定差分格式中参数的两种方法,得到了一个稳定性条件为r/3的分支稳定的高精度显式差分格式;最后给出了数值例子,数值结果表明了本文格式较现有同类格式的优越性和理论分析的正确性。

We also discussed the estimation of stability region of discrete singular systems with delay, and presented several region estimaitons for uniform stabiity and asymptotic stability, respectively.

我们还研究了离散滞后广义系统稳定域的定量估计,分别给出了系统一致稳定区域和渐进稳定区域的估计公式。

Further, the stability region estimation problem for mismatched uncertain plants′VSC systems is studied and solved, and a more extensive sufficient stability region estimation result is gotten. By analyzing the result, the relation between the control bounds and the system robustness is shown.

在控制受限的情况下,改进和完善了文献[58,59,130]提出的确定性对象或匹配不确定性对象变结构控制系统的稳定域估计方法,并进一步研究了失配不确定性对象变结构控制系统的稳定域估计问题,取得了更广泛更全面的充分性稳定域估计结果,从中分析得出了控制受限界与控制系统鲁棒性的关系。

A variable-step modified Euler time integration method is proposed and analyzed. Four major factors that affect the efficiency of the variable-step modified Euler time integration method are discussed. These include stability and accuracy analysis for the damped fix-step modified Euler integration formula, adjustment method of the fix-step basic integration formula to accommodate step-size changes, suitable range of the step-size selection strategy based on truncation error concept and development of the step-size selection strategy based on apparent frequency concept to satisfied the specified error bound and stability condition.

提出了变步长修正Euler时间积分法,详细讨论了影响变步长修正Euler时间积分算法效率的四个主要因素,它们包括:有阻尼问题的修正Euler法的稳定性和精度分析,调整固定步长的基本积分公式使之容纳步长大小变化的研究,基于截断误差概念的步长大小选择策略适用范围的讨论,同时满足规定误差界和稳定性条件的、基于表观频率概念的步长大小选择策略的建立。

The latest chemical product prices fell, demand has not really visible downstream, the short-term rise in oil prices in the channel, in which phase fluctuations, we continue to be optimistic about with anti-cyclical businesses and new materials, anti-cyclical embodies New Chemical Materials decrease in prices of raw materials is less than the decrease in prices of raw materials at the same time, the cost shift ability, to maintain price stability; civil explosive materials companies fell as a result, prices, countries can enjoy the benefits of; domestic urea production capacity excess of export disruption, high product costs, industry consolidation is inevitable, so concerned about the urea industry with technical advantages and cost advantages of urea enterprises: China Shandong Hengsheng; Although the overall situation of excess nitrogen, but because of the regional characteristics of the domestic fertilizer domestic part of the region will be in a high urea prices, the relevant listed companies will benefit from, such as the Liao Tung Chemical; compound assets as light industry, with the weak cyclical characteristics, the stability of industry profitability, industry leaders concerned about the compound: para Tian shares ; potash by the international market, short-term decline of domestic potash fertilizer prices would have difficulty, Salt Lake Potash in 2009 will be guaranteed a profit, Salt Lake Potash concern.

最新化工产品价格出现下跌,可见下游需求并未真正起来,短期石油价格处在上升通道,在这种上下波动阶段,我们继续看好具有抗周期性的新材料企业,抗周期性体现了化工新材料的产品价格下降幅度小于原料的下降幅度,在原料价格上涨同时,成本转嫁能力较强,价格维持稳定;民爆企业由于原料下跌,价格上涨,可以享受国家指导价的益处;由于国内尿素产能过剩,出口受阻,产品成本居高不下,行业整合在所难免,因而关注尿素行业内具有技术优势和成本优势的尿素企业:华鲁恒升;虽然氮肥全局过剩,但由于国内化肥的区域性特征,国内部分区域尿素价格将处于高位,相关上市公司将因此受益,如辽通化工;复混肥作为轻资产行业,具有弱周期性特点,行业盈利稳定,关注复混肥行业龙头:芭田股份;钾肥受制于国际市场,短期内国内钾肥价格恐难下跌,09年盐湖钾肥盈利将会有保证,关注盐湖钾肥。

The delay stability margins of two test systems at typical equilibrium point are obtained through this method. The effect of exciter parameters on delay stability margin is also discussed. Time domain simulation results and comparison with other methods show that this method is simple and effective.

利用该方法得到了测试系统的时滞稳定裕度,并且研究了励磁系统参数的变化对系统时滞稳定裕度的影响,最后通过与其他方法的比较和时域仿真验证了该方法的有效性。

For the effective monitoring and control of various types of public emergency or other reasons caused by abnormal fluctuations in the grain market to ensure that the grain market supply and maintain the basic stability of the grain market prices, to maintain normal social order and social stability, According to the national, provincial food emergency plan and the "grain reserve Shenzhen Interim Measures for the Administration", the relevant departments to develop a "food emergency plan in Shenzhen", reported that executive session.

为有效监测和控制各类突发公共事件或其他原因引起的粮食市场异常波动,确保粮食市场供应,保持粮食市场价格基本稳定,维护正常的社会秩序和社会稳定,根据国家、省粮食应急预案和《深圳市粮食储备管理暂行办法》,有关部门制定了《深圳市粮食应急预案》,报常务会议审议。

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推荐网络例句

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代,船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单,希望发动新暴动的人便寥寥无几。

Speak with contempt of none,form slave to king,the meanest bee,and will use,a sting.

别用 言词贬低任何人,无论国王还是奴隶。最卑戝的蜜蜂也会用它的毒针蜇人。