Anti-jamming Performance of Mixed Regularization Algorithm in Static Electrical Impedance Tomography 电阻抗静态成像中混合正则化算法抗噪性能的仿真研究
A static comparison and dynamic analysis of short net performance based on impedance optimization design idea were made. 对基于优化阻抗设计思想完成的短网的性能作了静态对比和动态分析。
Several indicators of static voltage stability limitations are introduced, such as load margin, Jacobi singular value, sensitivity indicators, impedance mode, etc. 介绍几种静态电压稳定极限指标,如负荷裕度、雅可比矩阵奇异值、灵敏度指标、阻抗模等;
It uses the positive impedance in static stability and low-voltage impedance which can effectively prevent the mal-operation in external faults. 静稳阻抗和低电势阻抗采用正序阻抗,能有效地防止外部短路造成的误动作。
The general test platform for actuator in flight control system is essential for the design and test of actuator's static and dynamic performance, impedance characteristic and its failure simulation. 飞控作动系统通用测试环境是检验飞机作动系统的动静态性能、阻抗特性、舵机故障模拟和试飞技术支持的重要途径。
Study of correction for static shift: the decomposition of magnetotelluric impedance tensors 阻抗张量分解进行大地电磁静校正的研究
AIM To study static electrical impedance tomography ( EIT) technology based on physical phantom. 目的研究基于物理模型的静态电阻抗断层成像技术。
New Method to Reconstruct Static Image in Electrical Impedance Tomography 静态阻抗断层图像重建新方法
The hardness and modulus of films were measured by nano-indentation. The wetting and corrosion resistant properties characterized by static contact angle measurement and electrochemical impedance spectroscopy ( EIS) were interpreted in terms of the surface chemistry. 分别通过纳米压痕仪、接触角测量装置、交流阻抗法测试了薄膜的硬度和模量,接触角以及耐腐蚀性能。
After the criterion defect of static steady circularity of impedance for general excitation loss protection is analyzed, a new adaptive excitation loss protection is discussed which is based on the change of contact reactance Xs, the fix value of protection can be automatically modified. 分析了常规发电机失磁保护的静稳极限阻抗圆的判据所存在的缺点,提出一种利用微机自动检测联系电抗XS的变化,自动修改静稳极限圆定值的自适应发电机失磁保护。
The scheme synthetically applies several criteria about the protection of loss of excitation, improves the traditional working characteristics of static limit impedance circle, and emphasizes the action of rotator, which contributes to the reliability of loss of excitation protection. 本方案综合运用了失磁保护中几种常用的主判据,对传统的静稳极限阻抗圆动作特性进行了改进,并突出了转子判据的作用,从而提高了失磁保护的可靠性。
A quantitative static evaluation technique of lithologic deposits based on seismic impedance inversion and pseudo-log parameter inversion; 基于地震波阻抗反演及拟测井参数反演的岩性油气藏定量(静态)评价技术;
When compared with the static modeling, the impedance modeling captures the dynamic coupling of the piezoelectric patch and the host structure. It is proved that this impedance modeling approach is more accurate. 与静态分析的结果进行比较,表明阻抗法的建模过程抓住了压电陶瓷片与结构之间动态耦合的物理实质,是一种更好的建模方法。
The emphasis of this paper is to work out the parameters of induction motor and static load by measurement-based method, assuming the impedance of distribution network is given. 本文研究了在配电网等值阻抗给定的情况下,利用参数辨识的方法来确定综合负荷参数。
Regularization Algorithm Research of Static Electrical Impedance Tomography 电阻抗静态成像中正则化算法研究
Based on the physical and mathematical analysis, the static error of CT is found mainly from the nonlinearity of its exciting impedance. 通过对电流互感器稳态误差特性做物理与数学上的分析,可知电流互感器稳态误差主要来自其励磁阻抗的非线性。
The static migration to MT data and the impedance tensor static correction method MT法中静态效应及阻抗张量静态校正法
Firstly, this article studies the influence of OLTC transformer ratio change on static voltage stability by using the ternary analytical method of voltage U, power P and load impedance angle φ. 本文首先采用含有有功功率P、电压U和负荷阻抗角φ的三元分析法研究OLTC变比变化对静态电压稳定性的影响。
A necessary condition of maximum power of load node was proved. The condition is that load static equivalent impedance modulus is equal to comprehensive dynamic equivalent impedance modulus. 证明了负荷节点获得极大功率的必要条件是:负荷静态等值阻抗模等于系统综合动态等值阻抗模。