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器件
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  device
    J-BAND SILICON DDR IMPATT DEVICE
    J波段硅DDR IMPATT器件
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    A CALCULATION ON THE TEMPERATURE FIELD OF THE VAPORIZATION COOLING ELECTRODE USED IN HIGH POWER ELECTRON DEVICE
    大功率电子器件蒸发冷却电极温度场的计算
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    A Novel Device with Laser Q-Modulating and Mode-Locking
    一种激光调Q和锁模的新型器件
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    The Design of An AO Device Whose Central Frequency Is 300 MHz
    中心频率为300MHz 声光器件的设计
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    1.54μm Raman Frequency-Shift Device
    1.54μm Raman频移器件
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  devices
    Investigation of Devices and Physics for Antimonide Lasers and Photodiodes in Mid-infrared
    中红外波段锑化物激光器、探测器器件与物理研究
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    Theoretical and Experimental Studies about Novel Arrayed-waveguide Devices
    新型阵列波导器件的理论与实验研究
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    Coupling Physical and Mechanical Properties of Low Dimensional Structures and Devices
    低维结构和器件的物理力学耦合研究
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    Theoretical and Experimental Research on the Compatibility Issues of Heterogeneous Material for the Monolithic Integrated Optoelectronic Devices Applied in Communications
    单片集成通信光电子器件中异质兼容问题的理论与实验研究
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    Simulation and Fabrication of Optical Waveguide Devices in Silicon-on-Insulator
    SOI基光波导器件的模拟与实现
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    Study on Preparation, Spectroscopy and Lasing Properties of Inorganic-based Hybrid Solid State Dye Laser Medium and the Prototype Instrument
    无机基复合固态可调谐染料激光介质的制备、激光与光谱学性能及激光器件研究
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    Investigation of Doped ZnO Films and ZnO-based Heterojunction LEDs
    掺杂ZnO薄膜及ZnO基异质结发光器件研究
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    Parallel Higher-Order FDTD Simulation for Optical Waveguides
    光波导器件的高阶FDTD并行仿真分析
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    Theoretical Studies on the Microsphere Resonator Coupled by Biconical Tapered Fiber and the Fabrication System Heating by CO_2 Laser
    熔锥耦合型球微腔器件的理论分析及其CO_2激光加工制备
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    Micro Statistical Model of 1/f Noise in Semiconductor Dvices
    半导体器件中l/f噪声的微观统计模型
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  device
A new molecular rectifier device and some research in its processing
      
The device with a sandwich structure shows good rectificative phenomena.
      
The highest rectification ratio 10000 was achieved in device Cu/MR-1/Ag, and about 100 in other device M/MR-X/M (M: Cu, Ag).
      
The electrospinning equipment was designed in a new way, wherein the spinneret was combined with a gas jet device.
      
In this review, we briefly summarize the current status of organic field-effect transistors including materials design, device physics, molecular electronics and the applications of carbon nanotubes in molecular electronics.
      
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  devices
Therefore, this kind of polyurethane can be used for implanted medical devices with shape memory requirements.
      
Photovoltaic devices from CdSe nanocrystals and conjugated polymer composites
      
The preparation of CdSe nanospheres (ns-CdSe) and their application as electron acceptor in conjugated polymer photovoltaic devices are reported.
      
Photovoltaic devices were fabricated from the composites of ns-CdSe and poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) or poly(3-hexylthiophene) (P3HT).
      
The method can be used not only to calculate FSIQ in the complex power systems with simple or multiple faults, but also to analyze and evaluate the performance of the protective relays and automatic devices based on FSIQ.
      
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In the present work, a theory of multiple bunching including the effect of space-charge is developed through the use of space-charge wave concept. The results contain Feenberg's kinematic theory as a special case and reveal characteristics of multiple bunching system that could not be obtained from the kinematic approach.The theory will find applications in microwave electronic devices and some examples of practical significance are discussed.

本文采用空间电荷波的观念,讨论了包括电子相互作用的多次聚束问题。所得结果,在电流接近以零为极限时,简化成费恩柏格(E.Feenberg)由运动学观点出发的结果。但是空间电荷效应的包括,显示了多次聚束系统一些不能由运动学方法得到的特徵。 本文的分析,可以应用在一系列的微波电子器件上。文中对这方面,也提供了一些具体的方向。

In this paper the relationships between small-signal h-parameters and elements of the natural equivalent circuit of the common emitter configuration of junction transistors are studied. From experimental results of h-parameters of two typieal alloyed PNP transistors (one 2N104 and one п-6 transistor) the relationship of h-parameters and elements of natural equivalent circuit vs operating frequency and d. c. operating condition (d.c. emitter current and d.e. collector voltage) are evaluated. Results thus obtained...

In this paper the relationships between small-signal h-parameters and elements of the natural equivalent circuit of the common emitter configuration of junction transistors are studied. From experimental results of h-parameters of two typieal alloyed PNP transistors (one 2N104 and one п-6 transistor) the relationship of h-parameters and elements of natural equivalent circuit vs operating frequency and d. c. operating condition (d.c. emitter current and d.e. collector voltage) are evaluated. Results thus obtained ace then compared with results obtained from analysis based on calculations using physical constants of the transistor. The explanation of the behavior of the reverse open-circuit voltage amplification factor, μb0, of the common emitter circuit is given in detail. Characteristics of μbo and properties of h22 (the output admittance with input open) are correlated. This paper gives complete information about h-parameters and natural equivalent circuit of two transistors, serving as an important reference for both device men and research workers on transistor circuits.

本文研究面结合型晶体管共发射极线路的小讯号h参数与自然等效线路中元件的关系。根据两种合金管(2N104及Ⅱ-6晶体管)h参数的实验结果求出h参数与自然等效线路元件随频率及随直流运用状态(直流发射极电流及直流集电极电压)的相互关系。对实验结果与根据晶体管物理构造分析计算的结果进行了比较。对开路反向电压放大系数μ_(bc)的现象给予详细分析,并求出μ_(bc)与开路输出导纳h_(22)的相互关系。两套晶体管的h参数及自然等效线路的完整资料可供晶体管器件设计及线路研究者的使用。

This paper presents the experimental results of a Reggia-Spencer phase Shifter at X-band. The ferrimagnetic material used is a Mg-Mn ferrite cylinder. Measurements of the phase variation with the (1) applied dc field, (2) diameter of the cylinder, (3) operating frequency, (4) temperature of the ferrite, (5) waveguide dimension a and b, are reported. Our results are in accord with the predictions of the phenomenological model proposed by J. A. Weiss. By decreasing the waveguide width a or increasing its hight...

This paper presents the experimental results of a Reggia-Spencer phase Shifter at X-band. The ferrimagnetic material used is a Mg-Mn ferrite cylinder. Measurements of the phase variation with the (1) applied dc field, (2) diameter of the cylinder, (3) operating frequency, (4) temperature of the ferrite, (5) waveguide dimension a and b, are reported. Our results are in accord with the predictions of the phenomenological model proposed by J. A. Weiss. By decreasing the waveguide width a or increasing its hight b, means of increasing the amount of phase shift are described. Preliminary tests indicate the feasibility of contracting a microwave switch or a rotating joint at X-band using the available ferrite.

本文汇报三公分波段的Reggia-Spencer相移器的一些实验结果,所用的材料是Mg-Mn型铁氧体圆杆。我们测量了:(1)相移和磁化电流,(2)相移和杆径,(3)相移和波导尺寸,(4)相移和频率,(5)相移和温度之间的关系。实验结果支持了鉄氧体圆杆内有法拉弟旋转效应和圆极化波传播的假设,并且提供了增加相移的途径以及制出天綫旋转接头及开关等微波鉄氧体器件的可能性。

 
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