采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性;采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
共集-共基组合放大电路具有更好的宽带放大特性。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic.
当然,标签或票据也具有放大镜的特性。
Of course, the label or ticket will also bear the magnifying glass.
他写道,如果一只幼鸟的腿骨被放大且成为化石,“那么在我们看来,它与恐龙的腿骨之间根本不存在特性差异。”
If a baby chicken's leg bones were enlarged and fossilized, he noted, "there would be nothing in their characters to prevent us from referring them to the Dinosauria."
ApplicationDiagram视图中的放大特性显示了其源成员中的子程序和子过程。
A zoom feature in the Application Diagram view shows subroutines and subprocedures within their source members.
简述了稀土掺杂光纤的特性,以及三能级光纤激光放大的基本原理。
The characteristics of rare earth doped fibers and the principle of fiber amplifier with three-level system are described.
本文回顾了已知的正交场放大管(CFA)噪声性能的实际测量数据,并且讨论了脉冲调制的CFA在脉冲多普勒雷达中的有用特性。
The known actual measured noise characteristic data of CFAs are reviewed, and the usefulness of pulse-modulated CFAs in pulsed Doppler radars are discussed in this paper.
共集-共基组合放大电路具有良好的宽带放大特性,既可以作为缓冲级又能够提供一定的电压和电流增益。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic qua the buffer and gives some gains in voltage and electric current.
其它特性包括:集成缓冲用来驱动基准电压,以及集成完全差动放大器用来缓冲调制器输入并进行电平转换。
Other features include an integrated buffer to drive the reference as well as a fully differential amplifier to buffer and level shift the input to the modulator.
对于一般的放大器。一个问题是其增益au或者AI取决于两端口系统的内部特性。(分析书上的译句)。
One problem with electronic devices corresponding to the generalized amplifiers is that the gains, AU or ai, depend upon internal properties of the two-port system.
基于速率方程建立了线性光放大器(loa)的数值模型,模拟了线性光放大器的增益钳制特性。
The numerical model of the linear optical amplifier (LOA) is built based on the rate equations. The gain clamping characteristics of LOA are simulated.
实验结果指出,器件的电流放大系数器件大j、3结特性硬,无效触发分流小,可有效地缩短开通时间。
The experiment shows that if the current amplifier factor is big, Junction J_3 is hard and the ineffective trigger branch current is low, the turn-on time can be shorten effectively.
利用非线性薛定谔方程和速率方程,研究了啁啾脉冲在增益介质中多程放大的特性。
The multipass amplification characters of the chirped pulse in gain medium were studied with the Schrdinger equation and population equation.
利用扩散率函数的特性,提出一种实现数字图像放大的新方法。
Based upon the property of diffusivity function, a new method to enlarge a digital image is proposed.
这两个法则使我们可以设计许多电路而无须深入了解运算放大器的内部特性。
These two principles allow one to design many circuits without a detailed understanding of the device physics.
它的高带宽、高增益、分布式放大等特性对光纤通信系统,特别是对密集波分复用(DWDM)具有重要的实际意义。
Some of its characteristics, such as broad gain band, high gain and distributed amplifier, have important practical meanings to the optical fiber transmission system, especially to the DWDM system.
要解决这个问题,必须采用线性化技术来改善高效率功率放大器的非线性特性。
For solving this problem, various linearization techniques have been employed to improve the linearity of high efficiency power amplifier.
放大电路的频率特性是模拟电子技术的主要内容之一。
The frequency particularity of enlarged circuit is an important content of analogue electron technology.
低失调、低噪声、极低的输入偏置电流和高速度特性相结合,使这些放大器适合各种应用。
The combination of low offsets, low noise, very low input bias currents, and high speed make these amplifiers useful in a wide variety of applications.
得到了波长转换效率与半导体光放大器特性参数以及注入泵浦光功率等关系的解析表达式。
An analytic expression is developed describing the relationship between conversion efficiency and the characteristic parameters of SOA and input pump power.
对圆柱面——平面型平凹柱透镜和棱镜的扫描角放大特性进行了分析比较。
The planoconcave cylinder lens and prism properties of angular magnification in light scanning are analysed in the paper.
给出了放大器的放大特性曲线,噪声指数特性。
Draw up the Amplifier character diagram and noise character diagram.
给出了半导体激光(LD)放大器的电路模型,使得对半导体激光放大器的特性可以用通用电路分析软件进行分析。
A circuit model of a semiconductor laser (LD) amplifier is presented. The model enables the analysis of the characteristics of a LD amplifier using general circuit analysis software.
通过对掺铒光纤放大自发辐射谱特性和LD驱动电路的分析,最终研制出用于光纤光栅传感系统的宽带光源。
We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.
交调失真的不对称性描述了功率放大器的记忆特性,但是与幅度相比,交调分量的相位特性很难测量。
Asymmetries of intermodulation distortions describe the memory effect of power amplifiers (PAs), but it is hard to measure asymmetries of the phase of the IM components.
介绍了紧缩型等离子体电极电光开关特性,以及在多程放大系统中的应用。
In this paper, the performance of the compact PEPC electron-optical switch and its application in multipass amplification system are described in detail.
结合对数放大器自身的特性,介绍了此电路在BPM系统中的组成,工作原理,试验结果和参数的测量方法。
According to log amplifier's characters, we introduce the structure, principal, experiment results and measurement of the parameters of the circuit in BPM.
半导体光放大器(SOA)的非线性特性在光开关、波长变换、光逻辑运算中有重要的应用。
The nonlinear characteristics of semiconductor optical amplifier (SOA) have important applications for the all-optical switching, wavelength conversion, and optical logic gate.
以有源法布里-珀罗谐振腔的增益特性为基础,研究了行波半导体光放大器的偏振特性。
The polarization characteristics of Travelling-wave semiconductor optical amplifier (TW-SOA) is investigated based on th gain property of active Fabry-Perot resonator.
以有源法布里-珀罗谐振腔的增益特性为基础,研究了行波半导体光放大器的偏振特性。
The polarization characteristics of Travelling-wave semiconductor optical amplifier (TW-SOA) is investigated based on th gain property of active Fabry-Perot resonator.
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