这台电磁式机器一直使用到1959年,然后就被遗弃在灰尘中,因为到了那个时期,首先使用电子管、接着晶体管、然后集成电路芯片的真正电子计算机先后问世。
The electromagnetic machine remained in use until 1959, by which time it was left in the dust by true electronic computers using first vacuum tubes, then transistors, then chips.
拥有更低峰值电流和场效应晶体管漏源极开通电压的800伏特准谐振设计展示出一次侧传导电磁干扰降低的优势。
The 800v quasi resonant design with lower current peak and lower drain-source voltage during turning on of the MOSFET demonstrates advantages in conducted EMI spectra regarding the primary side.
利用光子晶体的缺陷可以实现引导电磁波的目的,可以制作各种各样性能优异的光子晶体光学器件。
We can use the defect in the photonic crystal to guide the electromagnetic wave, and this photonic crystal with defect can be used to make photonic crystal devices.
本论文主要研究了光子晶体的电磁特性和应用。
The theme of this dissertation is to research the electromagnetic characteristics and application of photonic crystals.
另外,研究结果表明组成光子晶体的两种材料的折射率差别越大,两种电磁模的禁带越宽,越容易产生完全光子禁带。
The results of study also shown that the biger difference of refractivity between two kinds of materials, the wider of the bandgap for two electromagnetic modes, and easier to produce full bandgap.
FDTD方法计算量小,结果较为精确,还可模拟电磁场的动态分布,很适合计算光子晶体光子带隙。
FDTD method has less calculation, precision result, and dynamic distribution of electromagnetic, so it is suitable for calculating photonic crystal band gap.
本论文主要从理论上讨论与研究强非线性极性晶体中电磁波和长光学波格波耦合形成的极化激元的特性。
The main topic of this dissertation is the properties of polaritons that result from the coupling between the electromagnetic wave and the lattice wave in polar crystals with strong nonlinearity.
推导并分析了电磁波在一维等离子体光子晶体中的一般色散关系,给出了不同参数下的色散关系曲线。
The general dispersion relation of electromagnetic waves in one-dimensional plasma photonic crystals is deduced and analyzed, and the dispersion curves with diverse parameters are shown in this paper.
利用电磁场理论,推导发现了压力与一维光子晶体光带隙边界之间存在线性对应关系。
For one-dimensional Photonic Crystals, an analytic expression for the band edges as a linear function of the pressure is given using electromagnetic theory.
给出了一种证明晶体双折射的方法,并求得单色平面电磁波在中级晶体中的偏振态。
A method for proving crystal birefringence is presented. Thepolarization state of monochromatic plane electromagnetic wave is obtained for intermediate category.
本文主要介绍了多层片式电感用低温烧结六角晶系铁氧体的晶体结构、制备工艺及电磁特性。
The crystal-structure, fabricating process and electronic-magnetic properties of the low-temperature-sintered hexagonal ferrites applied in Multilayer Chip Inductor(MLCI) are introduced in this paper.
研究了由多层周期圆柱阵构成的二维光子晶体对电磁波的散射,并通过算例从数值上证实了负折射现象的存在。
The scattering of two-dimensional photonic crystals composed of multi-layered periodic arrays of circular cylinders are studied.
电流保护的构成元件有电磁感应型,晶体管型,微型机。
The constituted elements of the current protective device have three type:electromagnetic, transistor and also microcomputer.
提出了等离子体光子晶体的概念,研究了电磁波在等离子体光子晶体中的传播规律。
The concept of plasma photonics crystal is presented. The theory of electromagnetic wave propagation in plasma photonics crystal is studied.
基于晶体的压电效应,提出岩石破裂时出现的电磁脉冲现象是由压电晶体破坏导致瞬间的电荷运动而产生的假说。
Based on the piezoelectric effect, a hypothesis which electromagnetic emissions were yielded by charge movements resulted by destroying piezoelectric crystals during rock fracture was established.
同时,电磁波在光子晶体中的负折射现象也引起了人们的广泛关注。
At the same time, negative refraction of electromagnetic waves in photonic crystal has attracted much attention because of variety of novel phenomena.
我们还说明了通过外加一个非均匀的磁场可以使得通过磁性光子晶体的电磁波束弯曲,从而产生类似于自然界中海市蜃楼的现象。
We also demonstrated the possibility of molding the flow of em beam in the magnetic photonic crystal with a nonuniform ESMF to create a mirage effect.
利用特征矩阵法研究了一维平板掺杂光子晶体中电磁波的模式及其缺陷模特性。
The mode and defect mode of electromagnetic wave in flat-panel doping photonic crystal is studied by the characteristic matrix method.
特别地,当一个高功率电磁脉冲突然加载在晶体管上时,会导致晶体管的电击穿或热击穿。
In particular, as a high-power EMP is suddenly injected into a transistor, electrical or thermal breakdown can be definitely caused.
空间电磁脉冲注入硅双极型晶体管后可能会导致晶体管烧毁。
Bipolar junction transistors may be burned out by injected electromagnetic pulse.
介绍了时域有限差分法的基本原理,并对一维光子晶体薄膜中传播的电磁场作了模拟和分析。
The principle of finite difference time domain (FDTD) was presented, and analysis of electromagnetic field in 1D photonics crystal(PC) was performed.
本文介绍了一种新颖而高效的计算位于二维光子晶体缺陷中电磁场模式的方法。
A novel and numerically efficient treatment of electromagnetic modes localized at defects in two dimension (2d) photonic crystals is presented in this paper.
本文介绍了一种新颖而高效的计算位于二维光子晶体缺陷中电磁场模式的方法。
A novel and numerically efficient treatment of electromagnetic modes localized at defects in two dimension (2d) photonic crystals is presented in this paper.
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