A high impedance coupling device will limit loading. 一个高阻抗的耦合装置将限制负载。
The equivalent impedance of coupling oscillatory system in high-frequency circuits; 本文引用输出等效电路,推出了引入阻抗公式。
The ortho-mode transducer adopts the design idea of square waveguide stepped impedance matching and waveguide slot coupling. 正交模转换器采用方波导阶梯阻抗匹配与波导缝隙耦合的设计思想。
The Impact of Terminal Impedance on the Coupling Effect of the Transmission Line 端接阻抗对传输线线间耦合的影响分析
Measuring ratio 、 residual impedance of coupling coils and CT error by RLC autobridge 用RLC自动电桥测量耦合线圈匝比、残余阻抗及CT误差
Up till now, there is no accurate standard for the optimum acoustic impedance of the coupling medium. 目前国内超声医学界对最佳耦合剂声阻数值的选择尚无较为准确的说法。
Beginning with the broadband transmission line transformer with 1 ∶ n 2 impedance transformation, its equivalent model with mutual coupling between transmission lines taken into account is given, and its characteristics for impedance transformation is analyzed. 研究了变换比为1∶n2(n为整数)的宽频带传输线变压器,给出了考虑线圈互耦的等效电路模型,分析了其阻抗变换特性。
In this paper, with the structure size of coupling micro-strip line defined as input samples and the characteristic impedance and the normalized wavelength defined as output samples, a kind of coupling microstrip line is designed by the method. 文中采用该方法进行了一种耦合微带线设计,以耦合微带线的结构尺寸作为输入样本,奇偶模特性阻抗和归一化波长作为输出样本。
The analysis also shows that using reciprocal turns and its square to describe the sensitivity can be more precise, if the copper resistance and the impedance of the coupling capacitor are considered. 分析还表明,若考虑次级线圈的铜电阻和耦合电容的容抗,用次级线圈匝数的倒数及其二次项表示电流输出型磁通门的灵敏度具有更高的精度。
Theory deduction shows that the sensitivity of the current output fluxgate has a reciprocal proportion to the turns if the copper resistance and the impedance of the coupling capacitor are neglected, so high sensitivity and superior dynamic characteristic can be obtained with small size. 通过理论推导得出,忽略线圈的铜电阻和耦合电容的容抗时,电流型磁通门的灵敏度与次级线圈匝数成反比,因而可在小体积下获得高灵敏度和优越的动态性能。
The ways out are: equipped force control device with vibrator, to change natural impedance of near-surface media may eliminate the coupling shifting of the source; 解决方法是:配备可控震源力控装置、改变表层介质波阻抗可消除震源脱耦现象;
The problems of impedance and coupling disturbance in three-dimensional microwave and millimeter wave integrated circuits are studied from the point of view of characteristic impedance. 本文从特性阻抗的角度研究了三维空间微波、毫米波集成2001年上海大学博士学位论文电路设计中的阻抗匹配和祸合干扰间题。
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 fuctions of impedance matching, over voltage protection, AC/ DC coupling and amplification/ attenuation in the analog circuit are designed to enhance the reliability and testing precision of the module. 设计了具有阻抗匹配、过电压保护、AC/DC耦合、放大/衰减功能的前端信号处理电路,提高了模块的可靠性和总体测试精度。
Subsystem Analysis for Multi-Rotor Systems& Impedance Coupling Method and Component Mode Synthesis 多转子系统振动的子系统分析方法&阻抗耦合法与分振型综合法
On the basis of analysis of noise, the noise caused by common impedance coupling and its harmfulness are introduced comprehensively. The suppression methods are discussed and analyzed. 在分析噪声的基础上,较全面地介绍了公共阻抗耦合的噪声及其危害,讨论分析了抑制该噪声的方法。
The equivalent impedance of coupling oscillatory system offers facility for quantitative and qualitative analysis of high-frequency coupling circuit s. By an example of mutual inductance coupling circuit, it gaves the derivation and explains the physical meaning of each variable. 耦合振荡系统的等效阻抗为定量、定性分析高频耦合回路提供了方便,本文以互感耦合电路为例,对其进行了推导并说明了各量的物理含义。
Self impedance, mutual impedance and coupling of antennas are crying out for engineering application, but they can not be easily accurately calculated. 线天线的自阻抗、互阻抗及耦合度是工程应用中迫切需要但又很难计算准确的。
By assuming impedance values of the coupling points, the critical speeds of the rotor subsystem can be determined from its frequency equation. 将弹性支承轴系分为转子子系统与支承子系统,假定在交联点处的位移阻抗值,则可由频率方程式确定转子子系统的临界转速。
The optimized quasi-static field distribution and impedance coupling with EUT were analyzed by boundary-element method; 采用边界元法分析了准静态场分布的优化及与EUT(受试设备)的阻抗耦合;
The characteristic impedance of SAW filters is researched with the coupling modes in this paper and the effects of impedance matching on the performance of the SAW filters are analysed, which are valuable to improve the performance of SAW filters in the following days. 用耦合模理论求解了SAW滤波器的特征阻抗,并分析了阻抗匹配对SAW性能的影响,对进一步研究提高SAW滤波器的性能具有指导意义。
Given the impedance of a parallel coupling pair, parameters of each parallel coupling pair can be obtained simply by the process of synthesis proposed in the article, and so parameters of microstrip line interdigital filter given. 通过平行耦合节阻抗综合过程,可以简单、准确地计算出各平行耦合节的参数,从而确定微带交指滤波器的参数,并根据计算结果用ADS进行了软件仿真和优化。
By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed. 用天线阵归一化广义阻抗矩阵表示单元互耦,分析了考虑单元互耦效应的自适应天线协方差矩阵的特点。
Calculation of Short-circuit Impedance for Power Transformer with Coupling FEM Method of Magnetic Field and Circuit 磁场-电路耦合法计算变压器短路阻抗
From the analysis of the antenna model by network equivalent analysis, the impedance matrix and the mutual coupling matrices of transmitter and receiver are obtained. 第二,分析了互耦效应对多天线性能的影响,通过网络等效分析法对天线模型进行简化分析,得出阻抗矩阵和收发端的耦合矩阵。
Theory analysis shows that the input impedance varies because the coupling between antenna and cavity. 理论分析表明,由于天线与腔体之间的耦合从而导致天线的输入阻抗发生变化。
An optimized method of calculating antenna impedance matrix based on GA is proposed in consideration of the coupling effect. 在考虑互耦的影响下,提出一种基于遗传算法计算天线阵阻抗矩阵的优化方法,所求的阻抗值可以为后续的天线结构设计提供数据。
At the same time, the author elaborated impedance matching process and got the appropriate matching results and discussed the methods solving the energy coupling blind spot problems by using different coils. The reasons that the parameters of coils changed when human intervened were analyzed. 同时,完整地阐述了系统阻抗匹配的过程和结果,不同线圈解决耦合盲区问题的方法,以及人体介入后线圈参数变化的原因。
It deduced the relation between structure mechanical impedance based on electromechanical coupling effect and PZT electrical impedance. 推导出基于机电耦合效应的构造物机械阻抗和PZT电阻抗的关系。
Because the transfer function ( equivalent impedance) of complex noise coupling path is usually hard to be extracted directly, this work presents the transfer impedance simulation method. 针对结构复杂的干扰耦合通路难以直接提取其传递函数(等效阻抗)的问题,提出了转移阻抗的仿真分析方法。