您要查找的是不是：
- Simulating antenna input impedance by applying variational principles in FDTD 线天线输入阻抗的变分原理结合FDTD求解
- antenna input impedance 天线输入阻抗
- For convenience of AIA design, the AIA design method based on the input impedance wide-band model of patch antenna is used in this paper. 为了方便设计有源集成天线，本文提出了基于微带天线输入阻抗宽带模型的有源集成天线设计方法。
- The results showed that such a plasma layer made the signal field strength some 20 meters away a decrease of more than 10 db and that input impedance of the antenna changed a lot. 结果表明这样的薄层等离子体(20cm厚)鞘套使电波场强衰减达十几分贝,输入阻抗明显改变。
- At the same time, this paper has analyzed microstirp antenna using MoM. Input impedance, radiation field and S parameter have been calculated by microstrip patch current got using MoM. 同时对微带天线进行了矩量法分析,通过计算微带贴片表面电流来求微带天线的输入阻抗、方向图、S 参数等特性参数。
- The input impedance model is used to substitute the microstrip antenna in harmonic simulation of nonlinear circuit, from which can get the spectrum of AIA and the voltage across the impedance model. 在电路中用输入阻抗模型代替微带天线进行非线性电路的谐波平衡分析，从而得到有源集成天线的频谱特性和阻抗模型的端口电压；
- An antenna with proposed structure at Ku-band is designed. Measured results show that the proposed antenna can an input impedance bandwidth of 5.4% and axial ratio less than 2.8dB in azimuth plane. 设计并实测了一个工作于Ku波段的天线;实测的阻抗带宽达到5.;4%25;天线在方位面的圆极化轴比均小于2
- The process of adjusting impedance so that the input impedance of an antenna equals or approximates the characteristic impedance of its transmission line over a specified range of frequencies. 天线匹配指定频率范围内，调整阻抗使得天线的输入阻抗等于或大致等于其发射线路特性阻抗的过程。
- In this paper, a calculation formula of a spiral antenna with input impedance is deduced, then the geometrical size of a spiral antenna is optimized based on the related technical standard. 然后,在使天线输入阻抗满足技术要求的条件下,对螺旋天线的几何尺寸进行了优化设计。
- Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band. 螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗，而且在同样的频带上按超增益端射阵的波瓣图工作。
- Input impedance is a misleading concept in a DC coupled unity-gain buffer. 在这种组态下,输入电阻是一个不合适的电路概念。
- The guard amplifier is a unity-gain amplifier with very high input impedance. 保护放大器是一个具有非常高输入阻抗的单位增益放大器。
- Aperiodic Antenna An antenna designed to have an approximately constant input impedance over a wide range of frequencies; e. G., Terminated rhombic antennas and wave antennas. 非谐振天线一种天线,在一个大的频率范围里有近似连续的输入阻抗,例如终端菱形天线和波浪天线。
- Input impedance of a network when the output is short circuited,shorted or grounded. 在(电)网络中,当输出短路、短接或接地时的输入阻抗。
- A device which has an extremely high input impedance, low switching speed and low power consumption. 一种高输入阻抗、低开关速度及低功耗的半导体器件。
- Input impedance of a network when the output is short-circuited,shorted or grounded. 在(电)网络中,当输出短路、短接或接地时的输入阻抗。
- Some RS-485 Transceivers modify the input impedance to allow up to 8-times more nodes to be connected to the same bus. 有些RS-485收发器修改输入阻抗以便允许将多达8倍以上的节点数连接到相同总线。
- The device is features very high input impedance, super high CMRR, low noise and wide gain bandwidth. 该放大器具有高输入阻抗、高共模抑制比、低噪声和宽频带等特性。
- DVM usually got an input impedance of 10 Mohm. There may be loading effect when measuring high impedance circuit. 数字式电压表通常有10兆欧的输入阻抗.;当测量高阻抗电路时，可能会有影响
- An SMU that has a voltmeter with high input impedance and low current source ranges may also be used. 也可以使用具有高输入阻抗的电压表和微电流源的SMU来进行测量。
