Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
利用自驱动、自传感特性的压电陶瓷片,粘贴在外部结构的表面,结合动态阻抗的概念,提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
The analysis shows that the measured impedance at the head of the line is not proportional to the fault distance when a three-phase fault occurs at the end of the line.
分析表明,线路末端三相故障时,线路首端的测量阻抗不与故障距离成正比。
The model uses the effective impedance of the microstrip line as the value of matched resistive load and assign it into the RL mesh region in a proper proportion.
该模型将微带线的有效阻抗作为匹配负载电阻,然后按适当的比例分布到端接面的网格中。
In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.
为了超高压输电线路防雷计算的需要,建立了新的杆塔模型,即多波阻抗模型。
The numerical results were obtained in a table by solving the combined equation of transmission line impedance transfer equation and terminal input impedance expression in gas capacitance.
通过解传输线阻抗转移公式和终端输入阻抗的气隙电容表达式的联立方程得出了数值结果。
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。
This system can measure power line impedance accurately using a new arithmetic, and can adaptively match the power line impedance.
该系统给出了新的阻抗测量算法,并通过选择补偿电感值和变压器变比的方式使电力线阻抗维持在恒定的值上。
In this paper, the expressions of the input impedance for a probe type coaxial line-rectangular waveguide transducer are derived by means of self-reaction of an assumed current over the probe.
本文利用探针上假定电流的自反应,导出了探针式同轴线-矩形波导转换器输入阻抗的表达式。
The analysis of the high frequency impedance in a distribution network is an important aspect of power-line communication.
配电网高频阻抗特性分析是当前电力载波研究的一个重要内容。
Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna.
该天线采用平衡微带线作馈线,以印刷振子作为辐射单元,末端采用匹配电路对其输入阻抗进行匹配。
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.
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。
When impedance are mismatched, the transmitted signal is not completely absorbed by the load and a portion is reflected back into the transmission line.
若阻抗失配,发送信号会不完全地为负载所吸收的同时又部分地反射回到传输线。
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...
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 second amplifying device is connected to the summing node via an output matching circuit and a second impedance transformer containing a transmission line.
所述第二放大装置经由输出匹配电路以及包含传输线的第二阻抗变换器连接到所述求和结 点。
The radiation patch, feed line, and the impedance-matching network are a coplanar structure which can be etched simultaneously; this helps to simplify the manufacturing process.
标签天线的辐射贴片、馈线和无源阻抗匹配网络是一个平面结构,加工时可以同时刻蚀,简化了工艺。
Based on transmission line theory and extraction method of active impedance of waveguide slot, a simplified computation method for the leaky-wall ridge waveguide filter is presented in this paper.
基于传输线理论和波导裂缝有源阻抗提取方法,提出了一种脊波导漏壁式滤波器的简化算法。
Detect and measure impedance Mismatches Robert demystifies the topic of time domain reflectometry, which enables you to detect, measure, and locate any impedance mismatch in a transmission line.
Robert使得时域反射仪这一课题不再神秘,它能够帮助您检测,测量以及找出任何阻抗不匹配的输电线路。
TI's Impedance Track line of gas gauges, manufactured by the company's analog devices group, has a corner on the modern smart battery market.
德州仪器的“ImpedanceTrack”产品线由该公司的模拟设备业务部生产,占据着现代智能电池市场的一角。
A RFID dipole tag antenna with meander-line is manufactured, and a measurement on the impedance of RFID tag antenna with a baffle-board is presented.
制作了一款弯折偶极子RFID标签天线,以此介绍了一种加反射板测量标签天线阻抗的方法。
A RFID dipole tag antenna with meander-line is manufactured, and a measurement on the impedance of RFID tag antenna with a baffle-board is presented.
制作了一款弯折偶极子RFID标签天线,以此介绍了一种加反射板测量标签天线阻抗的方法。
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