查询词典 compensation method

Two methods for solving ill-conditioned linear equations, composite structure method and discrete freedom compensation method, are proposed.

通过对3个数值算例的比较分析表明，这两种方法可以满足结构弹塑性分析计算的速度和精度需要。

At first, this paper surveys nonlinear control and the applications of neural networks in control respectively. Then it studies definitions, mathematical descriptions and conditions of invertibility for nonlinear systems, which are used to analyze the feasibility of inverse system control method. Conclusions about the feasibility of inverse control and the realizability of αth-order inverse systems in engineering are achieved. Furthermore, this paper discusses the feasibility, structure and identification of neural network αth-order inverse system for general single-input single-output continuous or discrete nonlinear systems and various composite control methods based on the αth-order inverse. At last, as a part work of an actual project, this paper focuses on the design of neural network αth-order inverse control method for thyristor controlled series compensation in power systems and its effect in improving the stability of power systems.

本文首先分别概述非线性系统的控制与人工神经网络在控制中的应用；然后研究非线性系统各种可逆性的定义、数学描述及可逆性条件，并用于分析逆系统控制方法的可行性，得出有关逆系统控制方法可行性的结论，阐明一般情况下α阶逆系统才工程可实现；接着本文针对一般单输入单输出连续、离散非线性系统，研究神经网络α阶逆系统的可行性、结构与辨识以及基于神经网络α阶逆系统的各种复合控制方法，并给出应用例子；最后本文结合实际项目，针对采用可控串补的电力系统，设计神经网络α阶逆系统控制方法，研究其对提高电力系统稳定性的作用。

Combining the Test Signal Method and the dynamic simulation function of PSS/E, the method can calculate the phase lag of the excitation system with consideration of detailed grid and equipment models, and design the PSS parameters by using the phase compensation and critical amplification factor methods.

基于仿真软件PSS/E提出了一种设计PSS参数的方法，该方法具有如下特点：结合测试信号法和PSS/E的动态仿真功能，在充分考虑全网和各设备详细模型的情况下计算励磁系统相位滞后特性；并采用相位补偿法和临界放大倍数法设计PSS参数。

A new calculation method of structure-spring compensation iteration method presented in the paper can solve the problem of space nonlinear interaction of arch-shaped support structure.

本文提出新的具有普遍适用性的结构计算方法~弹簧补偿迭代法。

When the result, calculated by the method of compensation for the removal cost, is different from that of the method of minimizing the unit cost, we should choose the larger one.

如果用通过转移成本补偿的方法计算得出的结果，不同于最小化运输成本方法得出的结果，我们应当选择结果较大的那个。

According to characteristic of ultrasonic spreading in the air, the data disposal method of ultrasonic range finder, the hardware realization of the equipment and the method of temperature compensation used in order to improve the measuring precision had been discussed.

根据超声波在空气中的传播特性，重点讨论了超声波测距的数据处理方法、装置的硬件实现以及为提高测量精度采用的温度补偿方法。

According to the reactive characteristics of the distributed generation and the shortcomings of the compensation system for static var compensator, based on the instantanous reactive theory and symmetrical component method, a real-time method for calculating the value of reactive power of the system is presented.

根据分布式发电的无功特点及现在SVC补偿系统的不足，利用瞬时无功理论和对称分量法，提出一种实时求取电力系统无功功率的方法。

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有：分析了现有的一些动目标的检测方法；详细研究了SAR动目标检测的原理；分析了SAR成像理论和运动目标的回波模型；探讨常规SAR成像时，目标运动引起的多普勒质心和调频率变化，以及这些变化对成像结果的影响；介绍了多普勒参数的估计方法；分析了DPCA原理，推导所需要的基本公式，并仿真验证其有效性和实用性；提出了结合DPCA和ATI优点的改进DPCA算法，并仿真验证；探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析，本文提出的方法具有一定的指导意义和参考价值。

A new method for adaptive identification and compensation of frication based on the matching pursuit method was presented.

提出一种基于匹配追随算法的摩擦力自适应辨识与补偿新方法。

A new method for adaptive identification and compensation of frication based on the matching pursuit method was presented.

摘 要：提出一种基于匹配追随算法的摩擦力自适应辨识与补偿新方法。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。