In this paper, the impedance matching problem in high speed driving laser diodes is dealt with and tapered transmission lines are introduced as an impedance transformer to solve this problem. 论述了采用渐变线阻抗变换器对半导体激光器进行匹配驱动时,当考虑渐变线色散影响情况的分析。
A general study on equivalent impedance of laddered network quarter-wavelength step shape impedance transformer 二端梯形网络等效复阻抗的普适研究四分之一波长阶梯阻抗变换器
Impedance transformer is one kind of main equipment of track circuit in electrification district. 扼流变压器是电化区段构成轨道电路的主要设备之一。
To dry by heating. low-pass filter type impedance transformer 烘干通过加热使变干低通滤波型阻抗变换器
Case Analysis of Over Standard of Low Voltage Short Circuit Impedance in Transformer Test 变压器低电压短路阻抗测试异常案例分析与讨论
The Coefficient Characteristic of Chebyshev Polynomial and Its Application in the Impedance Transformer 切比雪夫不等式的推广切比雪夫多项式系数特性及其在阻抗变换器中应用
Some applications of grating systems, such as π/ 2 and π frequency filters, polarization rotators, and impedance transformers are introduced, and the principle and design considerations of an impedance transformer are discussed with some emphasis. 文中介绍了栅系统的应用,如π/2和π型频率滤波器以及极化旋转器,并着重研究了阻抗变换器的设计和工作原理。
Based on the theory of ARS, the acoustic velocity and acoustic impedance of transformer oil are measured using the established measuring system of ARS, and the results are compared with that gained from ultrasonic-pulse reflection method. 并与脉冲反射法所得到的测量结果进行分析对比,两种方法的测量结果基本吻合。
The computer aided design of Chebyshev stepped impedance transformer with arbitrary section numbers and arbitrary impendance ratio 任意节数切比雪夫阶梯阻抗变换器的计算机辅助设计
A two-section 1/ 6 wavelength impedance transformer is designed by genetic algorithm. 采用遗传算法设计了一个二节0λ/6传输线阻抗匹配器。
Design and adjustment of 24:1 type impedance transformer of TV transmitting antenna rheostat 24:1型电视发射天线阻抗变换器的设计与调试
The design of impedance matching transformer of ultrasonic motor 超声电机阻抗匹配变压器的设计
Optimal design of the broadband stepped impedance transformer based on the hybrid genetic algorithm 基于混合遗传算法的宽带阶梯阻抗变换器的优化设计
2D axis-symmetrical FEM model is presented for power transformer. The impedance voltage and short-circuit impedance of transformer is calculated based on the analysis of distribution of leakage field. 为提高短路阻抗计算精度,采用磁场&电路耦合法建立了电力变压器2D轴对称磁场有限元模型以方便得到输入、输出间的对应关系。
A New Model of Generalized Impedance Transformer and Its Applications 一种新的广义阻抗变换器模型及应用
The design of H shape impedance transformer for pulsed magnetron 脉冲磁控管用H形阻抗变换器的设计
A method of designing a low impedance, lumped parameter, nonuniform capacitance pulse forming network ( PFN) to fit in with the needs of a high voltage, large turns ratio, low impedance pulse transformer with large leakage inductance are introduced. 从工程实用角度出发,针对高压、高变比、低阻抗工作的脉冲变压器具有漏感大的特点,提出了要采用低阻抗集中参数非均匀电容脉冲形成网络的设计方法。
Study on the acoustic impedance transformer 声阻抗转换器的研究
Mechanism of broadband transmission line and design of impedance match transformer 传输线变压器的机理及宽带阻抗匹配的设计
Design of a Low-Pass Impedance Transformer for mm-Wave Solid-State Oscillators 用于毫米波固态源的低通阻抗变换器设计
New Design of 220 kV High Impedance Power Transformer 220kV高阻抗电力变压器设计新方案
When there is a certain restriction to the total length of impedance transformer, the characteristic impedance of conventional commensurate broadband matching networks would exceed feasible range. 当对阻抗变换器总长度有一定限制时,传统的均匀宽带阻抗变换器中的特性阻抗可能超出实际能实现的范围;
The wide impedance bandwidth is realized by using a quarter-wave impedance transformer of 3 steps combined with a double-Y balun for microstrip/ slot-line transition. 采用双Y巴伦实现了微带-槽线过渡,利用多阶阻抗变换器解决了宽带阻抗匹配问题。通过在微带线上添加狭缝实现了天线的陷波特性。
At last, the range of the reactance is recommended as about one third of zero-sequence impedance of transformer. 小电抗的取值范围建议为变压器零序阻抗的1/3左右。
Especially, in terms of designing broadband matching network of PA by using multi-section microstrip impedance transformer combined with ADS, in this paper, the method is proposed which has great practical value and give theoretical analysis and examples in-depth. 尤其针对如何结合ADS使用多节微带阻抗变换器实现功放宽带匹配网络的设计方面,本文提出了具有实际参考价值的方法,并对其进行了深入的理论分析与举例说明。