查询词典 impedance

Analysis of Short Circuit Distribution as Dangerous Interference Source and the Calculation of Short Overhead Line Impedance .

危险影响源短路电流分布的分析和架空短线阻抗参数的计算。

Hence, in this dissertation, the electrochemical measurement methods have been studied and a simple system for electrochemical impedance spectrum has been designed and the general program of electrochemical measurement software has been written.

因此，本文对微机化电化学测试方法进行了研究，设计了化学阻抗谱测试系统，编写了电化学测试软件的通用程序。

But in evaluating the self term of impedance elements, the separation of singular exact kernel is acceptable due to slowly convergence of series representations.

但在评价阻抗元素自身时，由于一系列表达式的缓慢收敛，确切奇异函数的分离也是可以的。

Finally, applying the current basis function of three-term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters.

最后，用矩量法，采用正弦插值基函数，研究地面上方垂直、水平线天线的辐射特性和输入阻抗随着频率、离地高度、地面参数等变化的情况。

Using the moderately thick cylindrical model and sinusoidal interpolation basis function, the sleeve monopole at the circular ground plane is analyzed by the moment method. The input impedance and radiation pattern are given.

采用粗圆柱线天线快速精确计算模型，选用正弦插值基函数，将圆盘地面和套筒作为一个整体进行矩量法分析计算，研究其驻波和辐射方向图特性。

The calculation method is studied for coupling impedance of coaxial sinusoidal slow wave structure,which considers the influence of synchronous point on the amplitudes of harmonic waves of quasi-TEM mode.

研究了计算同轴正弦型慢波结构耦合阻抗的方法，以及慢波结构参数变化引起的共振点变化对各次空间谐波振幅的影响。

Signal inputs and outputs use SMA connectors and are compatible with the 50 impedance of test equipment.

信号的输入输出利用SMA插头并且和50欧姆的测试设备的电感相容。

Distributed parameter model of interconnects in high-speed circuits is introduced, together with its time domain solution. Based on this model, some signal integrity problems are discussed, and simulation results of impedance match is presented.

引入了高速电路互联线的分布参数模型，介绍了模型的时域求解算法，并基于该模型分析了互连线的信号完整性问题，给出了阻抗匹配问题的仿真结果。

The method of theoretical calculation and measurement using sound intensity technique for radiation impedance are explained.

研究了声源辐射阻抗的理论计算和声强测量法。

For reducing the LEMP lighting electromagnetic pulse radiation, the electrical source uses the Box-type power supply arrester, the power supply arrester and the modular power supply arrester as the third SPD surge protection device. The Low-voltage surge arrester or spark gap is laid between the compute net and equipotential grounding grids for avoiding signal interference and counterattack of ground voltage. The parameter and model of the signal lighting-protector of lines of communication are chosen according to the transfer rate, work level and characteristic impedance.

对控制房和DCS柜采用避雷针、独立针的直接雷防护；系统电源分别采用箱式电源避雷器、电源避雷器、模块式电源避雷器作为三级电源保护，减少LEMP雷电电磁脉冲辐射；计算机网络与等电位地网间设置低压避雷器或火花隙防止信号干扰和避免地电压反击；根据传输速率、工作电平、特性阻抗等，选择通信线路的信号防雷保护器的参数和型号。

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。