查询词典 method of perturbation

In simulation, the parameter perturbation of non-linear systems, amplifier troubles and servo stagnant trouble of system was studied, As a result, this method can diagnosis fault effectively.

仿真中以非线性系统的参数摄动时和伺服系统中的阀放大器故障和伺服阀卡滞型故障进行了研究，结果表明这种方法能有效的诊断出故障。

The method is still effective when there exists parameter perturbation and measurement noise.

陷况卜实现控制，当系统参数存在摄动和有测量误差时控制仍然有效。

The performance of magnetic levitation is determined mainly by the characteristic of its controller and solving the problems of the high precision, high esponse frequency, output immune from the disturbance, the parameter perturbation and the uncertain factors from outside is very difficult. The traditional methods can not meet the needs of the system. So it has great significance to study the control method of magnetic levitation.

磁悬浮系统性能的优劣很大程度上取决于控制器的特性，高精度、高响应频率和输出不受外界干扰的特性以及磁悬浮中参数的摄动和外界不确定的干扰因素都是难以解决的棘手问题，传统控制难以满足系统要求，因此对控制方法的研究有其非常重要的意义。

The performance of magnetic levitation is determined mainly by the characteristic of its controller and solving the problems of the high precision, high response frequency, output immune from the disturbance, the parameter perturbation and the uncertain factors from outside is very difficult. The traditional methods can not meet the needs of the system. So it has great significance to study the control method of magnetic levitation.

磁悬浮系统性能的优劣很大程度上取决于控制器的特性，高精度、高响应频率和输出不受外界干扰的特性以及磁悬浮中参数的摄动和外界不确定的干扰因素都是难以解决的棘手问题，传统控制难以满足系统要求，因此对控制方法的研究有其非常重要的意义。

An approach to controlling chaos with linear-quadratic regulator is proposed according to the idea of OGY method, which is based on the linear analysis and control of the dynamics of the system in a Poincare section with parameter perturbation.

从OGY方法的参数微扰混沌控制思想出发，提出了基于线性二次型最优调节器的混沌控制方法。

A new method for analyzing loss characteristic of non-ideal waveguide is presented based on the principle of transverse resonance and the theory of perturbation.

分析非理想波导的损耗特性是微波工程中很重要的实际问题之一，对它的精确求解往往和波导元件及微波系统性能的分析紧密相关。

A kind of stability method is presented for a class of uncertain nonlinear system with perturbation and time delay.

针对一类有参数摄动和时延的非线性不确定性系统，提出了一种稳定性分析方法。

To apply the method of Chapter Ⅱ to ring dynamics, we develop the streamline formalism to a canonical form in Chapter Ⅲ. The perturbation equations which describe the perturbed motion of streamlines are derived, with the general form of a near-conservative system.

为将上述映射方法应用到环动力学的研究，在第三章"流线表示法的正则描述"，我们研究该表示法的正则形式，导出描述流线运动的受振运动方程，该方程具有近保守系统的一般形式。

Time domain perturbation method ; Time-varying photoconductivity ; GHz pulse

时域微扰法；时变电导； GHz脉冲

Probability perturbation finite element method for response analysis of multi-degree-of-freedom nonlinear vibration systems with random parameters

非线性因素会对系统解耦产生影响，因此工程实际中的非线性隔振系统一般为多自由度系统，同时，船舶机械隔振系统的基座应视为具有一定机械阻抗的弹性体。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。