阻抗匹配

微波传输线阻抗匹配的CAD方法

CAD approaches for the impedance matching of microwave transmission line

基于Matlab的RF系统阻抗匹配设计

Impedance Matching In RF System Based On Matlab

EAST装置离子回旋加热液态阻抗匹配系统的研究

Study of liquid impedance matching for ICRF on the EAST tokamak

射频激励CO2激光器功率传输中的阻抗匹配研究

Study on impedance matching of RF-excited co_2 laser

通过进行表面ZnO处理后再进行氢气还原的方式，得到了阻抗匹配较好的一种复合材料。

Surface treatment then was carried out to get better impedance matching composite material .

ps脉冲传输线的多容性负载阻抗匹配模型和计算

Matching model and computing of multi-capacitive loading resistances for ps pulse transmission line

高压ns脉冲测量中的分压器性能及阻抗匹配

Performance and Impedance Match of Divider in High Voltage Nanosecond Pulse Measurement

理论分析计算了射频源与激光头的四种常见的阻抗匹配网络，本激光器采用LC型匹配网络，计算了LC型匹配网络的效率。

We analyze and calculate the four kinds of impedance matching networks of RF source and laser .

Scott接线平衡变压器数学模型与阻抗匹配的实验验证

Experimental Verification of ! Mathematical Model and Impedance Matching of the Scott Connected Balance Transformer

本文对双环天线在3G基站中应用的方向图特性、阻抗匹配以及宽频带性能等进行了仿真研究与分析。

In this paper , the characteristic of dual-loop antenna is studied , in which patterns , impedance and broadband are included .

该阻抗匹配方法利用天线的寄生电感，通过调整反向散射电路的电容来改变匹配网络的容抗，从而实现ASK调制。

The approach uses the parasitic inductance of the antenna to implement ASK modulation by adjusting the capacitive reactance of the matching network , which changes with the backscatter circuit .

其中，接收天线的选取、天线座到模块RFIN端的50欧姆阻抗匹配设计以及电源模块的设计等都在本文中作了详细阐述。

The selection of receiving antenna , the 50 ohm impedance matching design and the design of power modules are elaborated in the paper .

用所得理论来分析X波段和C波段弯曲线型微带铁氧体移相器的阻抗匹配问题，与实验结果十分符合。

The developed theory is used to analyse the impedance-match problem of microstrip meander line ferrite phaser in X-Band , C-Band , and a good agreement with the experimental results is obtained .

设计过程基于阻抗匹配原理，通过HFSS软件进行仿真和优化，最后得出过渡段的优化数据。

Based on the impedance matching , the optimized data is presented through using HFSS software .

首先分析了RFCMOS工艺中常用元器件的高频寄生效应，论述了低噪声放大器几个重要指标：噪声、线性度、阻抗匹配。

Firstly , this thesis analyzed high-frequency parasitic effect of common components under RF CMOS process , and discussed several important indicators of LNA : noisy , linearity and impedance matching .

为实现更好的阻抗匹配，再用ADS优化匹配网络，使其阻抗值更接近功率晶体管的实际输出阻抗值。

In order to make impedance matching well , use ADS software to optimize the matching network again , make it 's impedance approach power transistor 's actual output impedance .

整个结构印刷在PCB板上，馈电点与辐射体之间采用渐变的微带连接，实现阻抗匹配。

Whole structure was printed on the both sides of a PCB board . A gradual changed micro-strip connected the feed point and the radiator to make the impedance matched .

阻抗匹配后的前置放大器噪声系数达2.3dB。耦合网络的Q值为2.5，它使磁强计有足够高的摆率和较宽的频响。

After impedance matching , the noise coefficient of preamplifier is 2.3 dB , the Q value of network equals 2.5 which enables the magnetometer to have high slew rate and wide frequence response .

第二，本文系统化研究了偶极子RFID标签天线与标签IC的阻抗匹配方法，包括寄生单元加载技术和弯折线加载技术。

Second , this paper systematically studies methods for impedance matching between dipole-type RFID tag antennas and tags ICs , which includes parasitical element loading , vee dipole technology and meander line loading technology .

利用微波波导耦合腔激励CO2激光器，具有结构简单、放电阈值功率低、易调谐和阻抗匹配的特点。

CO2 laser microwave excitation through a waveguide coupled cavity is presented . It has the characteristics of simple structure and low discharge break-down power , and is easy to realize frequency tuning and impedence matching .

本文从阻抗匹配和能量守恒的角度讨论和分析了水泥基体中添加发泡聚苯乙烯（EPS）颗粒透波材料对材料吸波性能的影响。

In this paper , the absorbing property of cement based absorbing material packed with EPS ( Expanded polystyrene ) beads was researched by the theories of impedance match and energy conservation .

把纺织高速回转件简化为多转子系统，用阻抗匹配法结合Riccati传递矩阵法分析系统的动力特性。

This paper discusses the dynamic analysis of multi-rotor systems model of the textile rotor systems by using the impedance matching method and the Riccati transfer matrix method .

本文给出了液调配器的阻抗匹配算法，对算法进行深入的分析与研究，且给出两个典型实例，通过Matlab绘图对该算法进行了正确性验证。

This paper talks about impedance matching algorithm of liquid stub tuner , and makes a thorough analysis about it . By making a rough sketch of two representative examples with Matlab , this paper verifies the correctness of the algorithm .

根据传输线中高频电磁波的传播理论及网络理论分析了射频（RF）激励CO2激光器中的阻抗匹配问题，获得了等效阻抗匹配网络的设计方法及计算有关参数的普遍表达式。

The basic issues of impedance matching in a radio frequency discharge excited CO 2 laser are theoretically discussed in detail . A general and very applicable formula for selecting the parameters of the equivalent matching network is obtained .

实验中，选择多层不同介电常数的绝缘板组成微波输入窗，来达到阻抗匹配和抑制功率反射，增加微波吸收功率和提高等离子密度的目的，采用Al2O3陶瓷和BN组成的微波输入窗。

Using a dielectric material with different dielectric coefficients in layers as the microwave window which comprised of Al_2O_3 ceramic and BN can match impedance , restrain power reflection , and also improve power absorbability as well as plasma density .

阐述了影响高速调制半导体激光器的主要因素，着重从理论上对半导体激光器的阻抗匹配网络设计进行了分析，结合采用微波CAD技术，给出了理论上的结果。

In this paper , we introduce main factors affecting the high speed modulation of semiconductor lasers , but the emphasis will be placed on theoretical analysis on the design of impedance matching network for laser diodes . The result is given theoretically by means of microwave CAD .

不幸的是，WSDL2Java和XJC之间的阻抗匹配并不总是正确的，这就会导致一些问题。

Unfortunately , the impedance matching between WSDL2Java and XJC is not always perfect , and that leads to some problems .

采用阻抗匹配法进行分析，导出各子系统的动刚度表达式，对X型直升机传动系统扭转振动特性进行分析计算，并与原型机进行比较。

In this paper , the dynamic stiffness matching method is used for analyses by which the expressions for dynamic stiffness of subsystems are deduced . The torsional vibration characteristics of transmission system for revised type helicopter are analyzed and compared to the results of the original helicopter .

硬件电路上，影响探伤效果好坏的因素除了EMAT的各个参数外，发射电路的阻抗匹配尤为重要。

Hardware circuit , good and bad effects of the factors that affect the testing of all parameters except EMAT , the transmitting circuit impedance matching is particularly important .

方法：基于C8051F020和AD9832的核心控制电路通过动态阻抗匹配法使系统输出最大超声波功率。

Through dynamic impedance matching by kernal control circuit based on C8051F020 and AD9832 , the maximum output of ultrasound power is produced .