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- By using the forward ac small signal method we tested the electricalcharacteristics of LEDs of different kinds and functions. The experimentalresults show that negative capacitance phenomenons exist in mostsemiconductor LEDs. 采用正向交流小信号方法,对大量不同种类、不同功能的发光二极管的正向交流电特性进行了检测,检测结果表明发光二极管中普遍存在着负电容现象。
- Thermal tests, small signal tests, and stress analysis test. 电源模块热、小信号、应力分析测试。
- We also obtain the small signal gain and carry out some discussion. 对获得的小信号增益也进行了一些分析和讨论。
- Purpose: General small signal amplifier applications. 用途:用于一般小信号放大。
- Any small signal TR having turn-on Vbe of about 0.66 will work. 任何小信号的三极管只要使Vbe大约0.;66V就可以工作。
- Delay margin is defined as the maximum time delay that system can sustain without losing its small signal stability. 在保证小扰动稳定前提下,电力系统可承受的最大时滞称为时滞稳定裕度。
- Vibratory silicon micromachined gyroscopes need to check extremely small signal from all kinds of noises. 振动式硅微陀螺仪要在各种噪声干扰下,检测出极其微弱的有用信号。
- This thesis extracts a small signal equivalent circuit model from a Gallium Arsenide MESFET device. 因此本论文研究在槽线架构下，不同馈入方式在频率响应上的影响。
- Besides, different from former theories, latest small signal model and analysis are elucidated as well. 另外有别于之前的理论，新的小讯号模型与分析将会被介绍。
- A sparsity-based critical eigenvalue technique in small signal stability analysis of large power systems is presented. 2.;提出了一种基于稀疏技术的关键特征值求解方法。
- Test results showed] their threshold level of less than 12mW, the insertion loss of less than 0.2dB and the VSWR of less than 1.3 at small signal. 实验表明;限幅门限小于12毫瓦;插入损耗小于0.;2分贝;小信号时电压驻波比小于1
- A dispersion equation of the tunneladder TWT was derived,and the small signal gain and the working phase velocity were computed. 计算结果表明:沟道梯型结构行波管每周期的增益高,带宽窄;
- Abstract： The effects of undulator phase errors on the Free Electron Laser small signal gain is analyzed and discussed. 摘 要： 对波荡器位相误差对自由电子激光小信号增益的影响进行了分析讨论。
- The role of the space charge wave is that it makes bunching reduce at small signal, but it makes bunching enhance at large signal. 并且分析了空间电荷波对电子束群聚的影响：在小信号时使群聚减小；在大信号时使群聚增强。
- The sudden change of the boundary of small signal stability region (SSSR) is shown through the studies of a 4-generator 11-bus power system models. 针对4机11节点电力系统,通过详细模型下的仿真发现小扰动稳定域边界上会出现几何形状的突变现象。
- In this paper, the author mainly focuses on the influence of non-differential components to power system small signal stability region (SSSR) study. 研究了不可微环节对电力系统小扰动稳定域(SSSR)的影响。
- Results obtained show that the jet penetration depth plays a dominant role in the spatial distribution of small signal gains. 结果表明横向射流的穿透深度对小信号增益系数的空间分布起重要作用；
- The experiment platform of single freedom , bias current and small signal test current ,and displacement test current are designed and fabricated. 设计、制造了单自由度自检测磁悬浮试验台、偏置测试电路和位移检测电路。
- small-signal diode capacitance 小信号二极管电容
- The dual-tripler scheme for third harmonic generation(THG) is studied by the coupled equations under the small signal and high power condition((1. 条件下研究了晶体串接三次谐波(THG)转换方案,并利用实验验证了该方案。
