输入阻抗

Matlab实现矩量法计算框形天线的输入阻抗

Calculating Input Impedance of Rectangle Antenna by Method of Moment with Matlab

仿真和实测结果表明，改进的H形槽耦合微带天线进一步改善了其输入阻抗特性，展宽了天线的带宽，提高了天线性能。

Calculated and measured results show that the aperture-coupled microstrip antenna with modified H-shaped coupling slot improves input impedance and bandwidth performance .

单相Boost功率因数校正电路输入阻抗特性研究

Input Impedance Study of Single-phase Boost PFC Converters

线天线输入阻抗的变分原理结合FDTD求解

Simulating antenna input impedance by applying variational principles in FDTD

高输入阻抗单CCⅡ二阶滤波器的综合

Synthesis of Single CC ⅱ Filter with High-Input Impedance

基于输入阻抗匹配的ADC模块的应用研究

Application Research of ADC Module Based on Impedance Matching

提出了采用电网等效输出阻抗和PWM整流器输入阻抗的阻抗比分析电网参数对电流环稳定性的影响。

Impedance ratio was used to analyze the influence on the stability of the current-loop by network parameters .

并介绍了无芯印刷电路板变压器的等效电路、电压增益、输入阻抗函数，同时说明了应用无芯PCB变压器的可靠性及其优点。

The reliability problems and advantages of coreless printed circuit board transformers for application are described .

设计了一种新型pH变送器.该变送器具有输入阻抗高、抗干扰能力强等特点。

A new type of pH transmitter is presented . This transmitter has some properties , such as high input resistance , strong disturbance-resistant etc.

高输入阻抗MOSFET工艺探讨

The Process Discussion of High Input Impedance MOSFET

本文基于Green函数法导出了双馈点角馈及边馈方形贴片天线输入阻抗与互阻抗的计算公式。

Based on the Green function approach , new expressions for the input impedance and S parameters of patch antennas corner fed by single and double microstrip feeders are obtained .

文中结合平面电路技术、腔模理论，用Green函数法导出了双边馈电方形微带天线输入阻抗与互阻抗的计算公式。

The input and mutual impedance formulas of a dual polarized square patch element are derived based on the cavity model and planar circuit theory by using the Green function method .

本文用近似理论导出了组合聚能器的谐振频率，放大倍数Mp，形状因数φ和输入阻抗的一般公式。

In the present paper general formulas are derived for the resonant frequency , the amplication factor MP , the form coefficient (?) , and the input impedance of a composite concentrator horn .

研制了适合pH电极输出特点的高输入阻抗放大器，具体设计和实现了引入模糊控制的废水pH自动控制装置。

A high-impedance input amplifier suitable to pH electrode output is designed . It designs and implements an automatical controller for waste water pH control using fuzzy algorithms .

Hg2I2声光器件中换能器电输入阻抗的研究

The Electrical Input Impedance of Piezoelectric Transducer Hg_2I_2 AO Devices

第三种方法是测量二极管在各负偏压点下的输入阻抗与低频结电容C（V）来求得二极管的结参数；

In the third method the parameters of a varactor diode are determined by the measurements of the input impedance only at negative biases and the junction capacitance at low frequency ;

用Bode图确定体循环血管系统输入阻抗的表达式

Determination of Analytic Expression of Input Impedance of Systemic Circulation based on Bode Graph

天线输入阻抗是个极易变化的参数，而传统的手工匹配技术很难对动态负载做到实时、快速的匹配，限制了RFID技术在很多领域的应用。

Traditional manual matching technology is difficult to statify dynamic load impedance immediately and fast , which largely limit the RFID technology applications in many fields .

所得Hilbert输入阻抗结果同有关实验数据吻合较好。

The computational results of the input impedance of Hilbert fractal antenna are in good agreement with the experiments in the documents .

一种高输入阻抗单CCII电压模式滤波器一种新颖的基于CCⅡ+/-电压模式双二阶滤波器

A Novel Single CC ⅱ Based Voltage Mode Filter with High Input Impedance

1M～1GHz频率范围的电子设备输入阻抗测试技术

The Measurement Technology of Input Impedance on Electronic Equipment Form 1M ~ 1GHz

这种接收器有高的输入阻抗，可以减小RS-485驱动器的负载，整体上增加总的节点数量。

These receivers use a higher input impedance to reduce the load on the RS-485 drivers to increase the total number of nodes .

在H面，对于正菱形单元线阵，通过调整单元贴片的插入宽度，来改变贴片的输入阻抗，从而使各贴片上的电流幅度满足泰勒分布；

In H plane , to the square-rhombus array , the input impedances of antenna units are changed by adjusting the junction widths of the patches , which makes the current amplitude distribution comply with Taylor distribution principle ;

但是，在HF频段，有限高无加载单极子天线带宽相对较窄，输入阻抗随频率剧烈变化，难于和50Ω的同轴馈线匹配。

However , in HF band , the band of the antennas is narrow , and the input impedance of monopole antenna with limited height undergoes rapid variation with frequency .

变电站10kV母线上的电容器组的投切对输入阻抗没有影响。

The capacitor group connected to the bus has no influence on the input impedance .

pA级电流放大器是测试系统的设计重点，而其输入阻抗、运算精度及噪声抑制又是设计关键。

Critical design of MSPC is current amplifier with order of pA , also , its input impedance , operational precision and decreasing noise are a key for designing current amplifier with order of pA.

用矩量法分析了这一类振子辐射元的E面波瓣、输入阻抗、耦合系数与寄生杆高度h的关系，理论计算与实验结果十分吻合。

The moment method ( MM ) is used to analyze the relationship of the height of H-plane parasitic post with E-plane pattern , input impedance and mutual couple coefficients of this dipole . The theoretical data are in good agreement with the measurements .

并讨论了滤波器的输出阻抗和APFC电路的输入阻抗之间的关系对APFC电路稳定性的影响。

The relation between output impedance of the input filter and input impedance of APFC circuit and its affection on APFC 's stability are discussed .

对于硫属玻璃电极，我们以高精度的∑-△ADC为核心，配以高输入阻抗低噪声的仪表放大器和低漏电流模拟开关构成了多路高精度电极测量系统。

The instrument used for the measuring electrode is a high precise multi-channel system constructed with a Σ - AADC as the core , a high input impedance amplifier and a low input current multiplexer .

改进的点配法能以较高的精度求解第一、第二、第三类Fredholm积分方程。修正中波天线模型，按照模型可以精确求解天线输入阻抗。

Theoretically , the presented method can be widely used in solving the first , second and third order Fredholm integral equation in a better precision .