Comparison and Analysis on Measurement Method of Resonant Tunneling Diode Series Resistance 共振隧穿二极管串联电阻测量方法的比较与分析
Load resonant resistance measurement technique research of quartz crystal 石英晶体负载谐振电阻测量技术研究
In connection with the electronic resonant tunneling and light emission mechanism of the junction, the negative resistance phenomenon ( NRP) in the I-V curve and the relation between NRP and Surface Plasmon Polariton ( SPP) have been studied especially. 结合电子隧穿特性及结的发光机理,对结I-V特性中负阻现象的产生及其与表面等离极化激元激发发光的关系进行了研究。
The resonant frequency equation and the amplitude magnification coefficient, with resistance load, are calculated; 得到了阻性负载时,变幅杆频率方程与放大系数的计算式;
The double-tunned resonant cavity is an efficient way to realize the wide-band microwave and millimeter-wave negative resistance amplifier. 在微波放大器的谐振腔中引入双调谐腔回路是实现宽带微波及毫米波负阻放大器的有效方法。
The latter overcomes the disadvantage that the former is unsuitable for the analysis of the electromagnetic problems with the almost lossless resonant structures and further reduce computational time needed as the internal resistance suitably rises. 后者克服了前者不适于分析存在基本无耗谐振结构的电磁问题的缺点,而且所需的模拟时间随内阻的适当增加而进一步减少。
In this article, we not only discussed how to use the numerical method to calculate the loaded quality factor of a cavity resonator, but also discussed the effect on resonator diagram of the input impedance caused by the loss of resonant resistance. 本文讨论如何采用数值方法计算谐振腔的有载品质因数。讨论了谐振腔损耗电阻对输入阻抗谐振曲线的影响。
This paper introduces the traditional phase-shifted full-bridge zero-voltage-switching converter briefly, analyzes a phase-shifted full-bridge zero-voltage-switching converter with auxiliary resonant commutating network including clamping diodes, a resistance and a capacitance in detail. 介绍了传统移相全桥零电压开关变换器;设计出一种带箝位二极管和阻容元件的辅助谐振换流网络的移相全桥零电压开关变换器。
Mechanical resonant sensors are characterized by high accuracy, rapid response, excellent stability, resistance to electrical interference and digital output. 机械谐振式传感器精度高、信号以及频率输出适于计算机信息处理,而且其信号输出取决于机械参数,抗电干扰能力强,稳定性好。
Resonant Tunneling Device is a kind of negative resistance device based on the quantum tunneling phenomena, which has the some characteristics such as quickly responding speed, highly working frequency, low power consumption and multi-functional etc, making people focus attention on it. 共振隧穿器件(ResonantTunnelingDevice)是基于量子隧穿现象的一种负阻器件,它具有响应速度快、工作频率高、低电压、低功耗和多功能等特性,令人瞩目。
Properties for TE Mode and Transverse Slot Resonant Resistance in a Sectorial Waveguide 扇面波导中TE模特性和横槽谐振电阻
In resonant neutral grounding a small series resistance in the branch of arc-extinguishing coil can play the role to limit the transferring over-voltage, and its value must be checked from two sides of transferring over-voltage and fault current. 通过计算说明在消弧线圈中串联小值电阻可以起到限制传递过电压的作用,须注意的是电阻阻值的选取应从补偿电容电流和限制传递过电压两方面加以验算。
The resonant tunneling diode ( RTD) is one of the most promising band-gap engineered heterostructure devices due to its negative differential resistance. 共振隧穿二极管因其特有的负微分电阻特性,成为一种很有前途的基于能带工程的异质结构量子器件。
The high measuring accuracy of load resonant resistance can be obtained by utilizing inner load capacitor and the real time measurement of its capacitance and indirect measurement load resonant resistance. 采用内置的负载电容并由内置的电容计对等效负载电容实现实时测量,采用间接测量方法测量负载谐振电阻,可显著提高其负载谐振参数的测量精度。
The analysis and test result have proved that the optimal parameters of the Resonant DC are only determined by the load resistance and the output frequency. 分析结果表明,谐振DC环节最佳参数仅仅决定于负载电阻和输出频率。
A unified numerical formulation is presented for solving the current distribution and radiation fields. The dependence of the resonant resistance and resonant loop perimeters on the superquadric parameters is investigated for the loop antennas printed on various dielectric substrates. 首先给出求解天线电流分布和辐射场的统一数值计算公式,然后通过改变超二次曲线的形状参数,分析印刷在不同介质基片上环形天线的形状与其谐振电阻和谐振环周长的关系。
The basic characteristics of resonant tunneling diode are analyzed and RTD cellular neural network based on memristor is built up by utilizing negative differential resistance property of RTD and auto-memory function. 我们在分析了RTD的基本特性的基础上,利用RTD完美的负差分电阻特性和忆阻器的自动记忆功能,构建了忆阻器/RTD混合结构细胞神经网络。
Resonant grounding and low resistance grounding are focused on with principle analysis and theoretical calculations. The effects about electrical quantities of system are investigated with different transition resistance for single-grounding fault. Different operating characteristics are summarized. 针对单相接地故障,考察了不同过渡电阻值对系统电气量的影响,归纳得到了各自不同的运行特点,将理论计算与仿真结果进行了分析对比。
A simulation model of resonant grounded system with cable lines is established, the changing law of the zero-sequence transient current and its spectrum is analyzed when cable lines are added in distribution network and when fault angle, fault resistance or fault distance change. 建立了NES系统仿真模型,仿真分析了电缆的引入、故障角、故障电阻、故障距离变化时,系统暂态零序电流及其频谱特征的变化规律。