随机干扰

  • 网络Random disturbances;random noise;stochastic disturbance
随机干扰随机干扰
  1. 具衰减随机干扰的分布参数型Hopfield神经网络的镇定

    Stabilization of Distributed Parameter Type Hopfield Neural Network with Damped Stochastic Disturbance

  2. 一类随机干扰作用下的非线性系统的自适应控制

    Adaptive control of a class of nonlinear system with stochastic disturbance

  3. 根据C波段测速雷达工程需要,利用理论计算和仿真修正的方法,设计了能有效抑制随机干扰信号的C波段窄带介质滤波器。

    According to the requirement of CW Doppler RADAR . Designed the C band DR filer by the theoretical and numerical methods .

  4. 本文提出先对质点位移序列基于随机干扰的标准差消除部分随机干扰的影响,然后通过窗口能量比因子识别P波到时的方法。

    In this paper , we first eliminate random factor based on the standard deviation of random factor , then detect the P phase with window energy ratio factors .

  5. 文中还讨论了利用CT积分变换压制多次波、压制随机干扰和规则干扰、进行波场分离和道间内插的方法。

    It is discussed how we use CT integral transform to suppress multiples , random noises and regu - lar noises , and to make wave-field separation and trace interpolation .

  6. 动态矩阵控制(DMC)是模型预测控制(ModelPredictiveControl)的典型算法,能有效处理系统输入输出约束和抑制随机干扰。

    Dynamic matrix control ( DMC ), an important control algorithm of Model predictive control , was of interest because it was an effective method to restrain stochastic disturbances and handle constraints .

  7. 本文提出一种含随机干扰的连续Wiener模型参数估计的方法。

    In this paper , a parameter estimation method for continuous Wiener model containing random noise is pro-posed .

  8. 仿真实验表明,基于多步预测的PID型神经网络控制系统能有效抑制随机干扰,具有较强的适应性和鲁棒性。

    Simulation results prove that this new multi step prediction based on PID like neural network control system can effectively attenuate random noise interference and is more robust and adaptive .

  9. 然而,电极调节系统是一个集多变量耦合、非线性、参数时变及随机干扰于一体的综合复杂系统,目前普遍采用的传统PID控制难以达到期望的控制效果。

    Electrode regulating system is a complex system with multi-variable couple , non-linear , time-varied parameters and stochastic disturbances , so it is difficult to obtain desired control effect by traditional PID controller .

  10. 从信号处理的角度看,谐波、直流漂移、频率波动、随机干扰是影响tanδ准确测量的主要因素。

    In the view of signal processing , harmonic , DC offset , frequency fluctuation and random noise are the main factors that infect tan δ measurement .

  11. 为降低随机干扰因素对大坝位移观测数据的影响,针对大坝位移特性并基于Kalman滤波理论和统计模型建立了大坝水平位移的状态方程和观测方程。

    Aimed at the displacement characteristic of the dam , based on the theory of Kalman filter , the state and observed equation of displacement on the basis of statistical model is established .

  12. 文中结合遗传算法的原理应用开发出遗传算法工具箱,对驱动系统进行了基于遗传优化的模糊PID控制仿真,仿真结果表明本系统具有快速响应的特点且对随机干扰有较强的鲁棒性。

    We designed genetic algorithm toolbox , and gave the simulation of the control system under the optimized fuzzy PID control , the result showed better performance with rapid response and preferable robustness to the random disturbance .

  13. 本文介绍了在具有时变均值和时变方差的随机干扰序列作用下,ARMA模型的在线辨识与自校正预报。

    On-line identification and self-tuning prediction of the ARMA under the influence of stochastic distribution sequence with time varying mean and time varying variance have been studied .

  14. 采用FIR(finiteimpulseresponse)数字滤波原理设计了通带范围0~10Hz的数字滤波器,有效地实现了对振动测试系统中随机干扰噪声的滤除。

    This paper introduces the design of an FIR ( Finite Impulse Response ) low pass digital filter with passing band of 0 ~ 10 Hz , which rejects the noise of vibration test system .

  15. 在空气电加热器的控制过程中,由于被控对象具有明显的非线性和变增益特性,且随机干扰严重,其温度很容易产生波动,传统的PID控制不能取得好的控制效果。

    In the process of controlling electric air heater , due to obvious non-linear and variable gain characteristics of the controlled object and also serious random disturbance with the temperature fluctuating easily , traditional PID control can 't obtain good control results .

  16. 论述了CGH干涉系统的光路和干涉场,采用位相自动探测术有效地降低了随机干扰误差。

    The optical system and CGH interference field of the CGH interference system is discussed . The synchronous phase detecting technique can reduce the random disturbance .

  17. 然后本文分析了Solow模型中的资本和劳动力存在随机干扰的问题,而后在Solow模型的基础上增加了人力资本H的投入,并考虑随机扰动。

    Then it analyzes that the capital and labor in Solow model have random disturbance . And then considering the model of human capital H on the basis of Solow model with random disturbance .

  18. 讨论了脉搏数字处理时,为消除噪声干扰所采用的移动平均滤波器和为消除随机干扰所采用的LMS自适应滤波器的软件实施过程和处理效果。

    In the process of data processing , the processing processes and effects of the numerical filter used to remove yawp disturbing and the LMS adaptive filter used to remove random disturbing is realized with software .

  19. 论文分析了随机干扰的影响问题,提出局部线性化方法估算频率受扰情况,再经过频率的IIR(AR)滤波后,获得较高的测量精度。

    Combining with a Partial-Linearized Estimating method , it can estimate the error degree of disturbed signal frequency , and an IER ( AR ) filter can be used in a further frequency processing to improve accuracy .

  20. 但由于润叶机具有非线性强、时滞性大、随机干扰因素多、惯性大的特点,目前国内所采用的比例加PID的控制方法不能实现润叶机的有效控制。

    However , the conditioning cylinder is very nonlinear , time lagging a lot , with many interferential factors and prodigiously inertial , at present , the method of scale and PID control can 't realize the efficient control of the conditioning cylinder in our country .

  21. 针对厚控系统位置内辊缝环被控对象存在参数的慢时变和结构的不确定以及随机干扰的情况,对位置内环进行了鲁棒PID复合控制。

    In order to decide if the above dynamic math model can describe practical system , robust and PID complex control is applied to the position inner loop in the light of the parameter uncertainty even the structure uncertainty of the position inner of the gauge control system .

  22. 应用LQG/LTR控制方法设计坦克水平向稳定器,以解决在随机干扰作用下坦克稳定器LQG控制器可能出现的不稳定现象,系统仿真表明,应用了LTR过程的LQG控制器具有很好的鲁棒性。

    LQG / LTR is used to design tank horizontal stabilizer , to solve the unstable phenomenon of LQG controller under random disturbance . System simulation shows , that LQG / LTR controller has good robustness .

  23. GP法是以随机干扰项是独立同分布假设为前提,其检验统计量渐近分布依赖于方差-协方差矩阵,临界值无法列成表格。

    GP method premises the hypothesis that random error follows an independently and identically distribution , and the asymptotic distribution of the test statistic is dependent on variance-covariance matrix ( in relation to data generation process ) . Then , critical values cannot be tabulated .

  24. 历史负荷数据的真实可靠是电力系统负荷预测的基础,而在电力系统运行中产生的冲击负荷,以及由SCADA系统采集数据时产生的随机干扰数据都会导致历史数据中含有不良数据。

    The reliability and reality of load historical data is the foundation of load forecasting . But , the impact load in running power system , and the disturb data in collecting load data through the SCADA may cause much fault data in load historical data .

  25. 在阵风指令噪声随机干扰影响下,获得了保持倾斜稳定的结论,其结果为此类导弹应用CADET方法创造了条件。

    It is found that the rolling stability can be obtained when the disturbances of wind gust and instruction noise are applied . The re - sults have laid the foundation for application of CADET method to this kind of missile .

  26. 基因调控网络是生物动态系统,它的基本特征是稳定性,具有重要的研究意义。本文考虑基因调控网络的非线性、时滞、随机干扰等特点,建立具有Lurie系统形式的连续时间基因调控网络模型。

    GRNs are biochemical dynamical systems , and their basic feature is stability , which is of great research significance . A continuous-time GRNs model is proposed by considering nonlinear , time delay and stochastic perturbation , which has a form of Lurie system .

  27. 本文根据船舶操纵性理论,在总结现有研究工作的基础上,采用Nomoto模型,并考虑随机干扰和恒定干扰的影响,得出船舶操纵控制系统的CARMA模型。

    Based on the theory of ship 's manoeuverability and the results of recent researches , a CARMA model for ship 's manoeuvering control system is established , adopting Nomoto model with consideration of random and constant interference .

  28. APR算法接近理论时间下界,抄表成功率高,无需路由知识,可以从零路由知识开始运行,同时APR算法克服时变性和随机干扰的能力最强。

    APR algorithm is close to the theoretical lower bound of time . APR algorithm which has high meter reading success rate can run without routing knowledge . It is the strongest algorithm to overcome the time-varying and random interference in all of three algorithms .

  29. 该方法相当于一个PFC-P控制结构,通过其本身内环来克服随机干扰,外环采用预测函数控制来获得优良的跟踪性能和鲁棒性,实现目标和控制的分层。

    It is similar to PFC-P control structure . The random disturbance is surpassed in inner-loop . The good tracking performance and robustness are obtained by predictive function control in extern loop .

  30. 基于文献[1],对于具有随机干扰的任意维数输入/输出的系统(ADIADO),本文进一步提出了有色噪声白化以及广义输入/输出滤波两种自适应控制算法。

    Based on [ 1 ] , for control of randomly disturbed systems with arbitrary dimension input and arbitrary dimension output ( ADIADO ), in this , paper , two adaptive control algorithms are developed by whiting the color noise and by filtering the generalised input and output .