Study on wideband bioelectrical impedance measurement system;
宽频带生物阻抗测量系统的研制
DFT based inner impedance measurement method of storage battery;
基于DFT的蓄电池内部阻抗测量方法
A solution for impedance measurement with four-electrode is designed here according to the requirements of liquid impedance measurement.
根据液体阻抗测量需要,提出了可用于四电极的测量方案。
The existence of fault resistance may add an additional reactive or capacitive component to the measured impedance seen by the protection.
通过分析发现,无论对于相间故障还是接地故障,当线路经过渡电阻故障时,距离保护测量阻抗随着过渡电阻变化的轨迹是一段圆弧,利用故障前保护测量到的电压、电流量可以估算出其圆心和半径。
By analyzing current distributions, raised applicable to the fault location methods of all parallel AT traction system, and obtained the line measured impedance of these three short circuit faults.
通过对电流分布分析,提出了适合全并联AT供电牵引网的故障测距方法,并给出了3种情况下的线路测量阻抗。
Based on the mechanism of the measured impedance having distinct different values in non-fault line tripping out and power swing, this paper describes the new criterion of identifying non-fault line tripping based on local impedance measurements.
基于稳定控制装置安装处的测量阻抗值在线路无故障跳闸时和潮流转移时具有明显差异的机理,形成了基于本地电气量的无故障跳闸新判据,利用HYPERSIM实时数字仿真系统和物理动模系统通过UFV-200C型稳定控制装置对该判据的正确性、可靠性和有效性进行了验证。
The measurement impedance values of impedance relay in distance protection has nothing to do with the type of short circuit.
距离保护中阻抗继电器的测量阻抗值与短路类型无关,均等于正序阻抗。
This paper analyzed the influence of measurement impedance in the distance protection when the UPFC is installed on single line and double line.
文章详细分析了在单回和双回输电线路上装设UPFC时对距离保护测量阻抗所产生的影响,并提出了解决方法。
It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage.
说明了阻抗继电器是建立在测量阻抗概念上的一类继电器 ;距离继电器是建立在补偿电压特点基础上的一类继电器。
The two concepts of measuring impedance and subcircuit impedance are analyzed.
对测量阻抗、支接阻抗这两个概念进行了分析。
Methods of measurement of characteristic impedance for radio-frequency cables
GB/T4098.3-1983射频电缆特性阻抗测量方法
Design and Realization of a Single Phase Impedance Measuring Device Based on DSP;
基于DSP的单相阻抗测量仪设计与实现
Study on the Impedance Measurement Method Based on the Adaptive Residual Current Compensation;
基于自适应补偿方法的阻抗测量研究
Study on Impedance Measurement System of High Power RF Antenna
大功率RF天线阻抗测量系统的研究
Measuring Method and Test Dada Analysis of Grounding Impedance of Substation
变电所接地阻抗测量方法及测试信息分析
Measurement Method of Transfer Impedance for Isolator Based on Four-Eng Parameter Analysis
基于四端参数分析的隔振器传递阻抗测量方法
VILP (Vector Impedance Locus Plotter)
矢量阻抗轨迹测绘器
CAT System for Microwaves and Resistance Parameter
微波计算机辅助测量系统及阻抗参数的测量
Methods of measurement of impedance uniformity for radio-frequency cables
GB/T12792-1991射频电缆阻抗均匀性测量方法
Measuring System for the Giant Stress Impedance Efffct;
巨应力阻抗效应测量系统的设计研究
Study on the measurement method of ultrasonic transducer electrical impedance
超声换能器电阻抗特性测量方法研究
Measurement and research of the zero sequence impedance of the 500 kV transmission line
500kV输电线路零序阻抗的测量及研究
Design of Guard Circuit for High Impedance Weak Signal Measurement
高阻抗微弱信号测量的保护电路设计
Anti-noise performance of cross voltage measurement pattern in EIT
电阻抗成像交叉测量模式的抗噪声性能研究
The Research on Bio-tissue Impedance Spectra Measurements and Electrical Impedance Tomography;
生物组织复电阻抗频谱测量及电阻抗断层成像系统的研究
Application of Impedance Spestroscopy Measurement in Rapid Detection of Microorganisms
阻抗谱测量在微生物快速检测研究中的应用
impedance audiometer
阻抗听力计,阻坑测听仪
Code for measurement of sound-absorbing coefficient and specific acoustic impedance of standing-wave meter
驻波管法吸声系数与声阻抗率测量规范