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- 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。
- Input impedance of an antenna 天线输入阻抗
- 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。
- 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 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
- 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 Common MW Antenna 常用中波天线的输入阻抗
- 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。
- 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。
- The resulting speed-up comes from the reduction of the input impedance of the picoammeter due to negative feedback. 速度提高的原因是由于负反馈的作用使皮安计的输入阻抗降低。
- The EMI noise source impedance of an SMPS is essential in EMC design. 开关电源的电磁干扰噪声源阻抗在电磁兼容性设计中是个非常重要的参数。
- Abstract： in this paper, the input impedance of a pulsative flow through a vessel with mild stenosis amplitude radically was investigated. 摘 要： 本文研究局部缓慢狭窄幅度径向振荡血管内血液脉动流的输入阻抗。
- RFID inlay consists of an antenna and a chip embedded into the back of each label. RFID嵌体是由一个天线和一个芯片嵌入到后面的每一个标签。
- Analysis of input impedance of medium wave antenna with computer 中波天线输入阻抗计算机分析
- Calculation for input impedance of biconical antenna 双锥体天线输入阻抗的计算
- Small detail differences include the addition of a tailpipe (hidden on the concept) and the removal of the rear roof spoiler and addition of an antenna in its place. 小细节的差异中增加了一个排气管（隐藏的概念）和取消屋顶后方扰流器，并增设一个天线在其位.
- They use a bridge to measure the impedance of the transducer. 他们用电桥来测量传感器的阻抗。
- Based on the multiport network model,the cavi ty theory and segmentation technique,an efficient method is developed for analyzin g the input impedance of the serial corner fed microstrip antenna. Closed form e xperessions are derived also. 本文基于多端口网络模型、腔模理论和分片法 ,首次给出串行角馈微带天线输入阻抗的一种有效的理论分析方法 ,导出其闭合表达式。
- My inn had once been a part of an ancient ecclesiastical house. 我的客栈曾经是一个古老教会的房子的一部分。
- The formulae for input impedance, output impedance and main magnetic flux are derived. The influence of resistance, induction and voltage ration to output impedance of transformer are discussed. 摘要导出了变压器输入阻抗、输出阻抗、主磁通的计算公式，讨论了电阻、电感以及变比对变压器输出阻抗的影响。
