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Initial numerical results indicate that the pentagonal waveguide proposed have more power carrying capability and higher power capacity than rectangular and elliptical ones.

初步的数值分析表明:与目前常用的高功率波导——矩形波导和椭圆波导相比,五边形波导具有更强的功率携带能力和更大的功率容量,因而具有很大的实用价值。

Plate and λ/2 plate were placed inside the Nd∶YVO4KTP green laser cavity with angle 90°between their fast axis.The composite plate composed of HWP,QWP and KTP has the function of QWP.The composite plate with Nd∶YVO4 can effectively suppress the coupling of polarized modes,and multi-longitudinal-mode lownoise green laser was obtained.Since the composite plate counteracted the phase shift induced by temperature sensitivity of quartz plate,the green laser operated with lownoise reliability in different output power and different operation temperature.The threelongitudinalmode, the noise of less than 0.5% and output power stability of less then 1% for 12 hour are obtained in the green laser.

介绍了一种LD泵浦腔内倍频全固体Nd∶YVO4KTP多纵模、低噪音、高功率稳定绿激光器在Nd∶YVO4KTP绿激光器组成的谐振腔内放置厚度约相等的石英晶体λ2波片和λ4波片,使两波片快轴夹角互呈90°,HWP、QWP与KTP构成复合波片,其作用相当于QWP,此复合波法与各相异性Nd∶YVO4共同作用有效抑制了腔内偏振模耦合,获得多纵模低噪音绿光输出此复合波片相互作用由于抵消了石英晶体波片温度敏感引起的相位延迟量漂移,所以此激光器在不同功率、不同工作温度下,均能稳定可靠地运转于低噪音状态实验结果为,绿光输出纵模数为3个,噪音小于0.5%,12 h功率稳定性优小于1

Company covers an area of 3600 square meters and currently employs more than 200 people, one of engineering and technical personnel 39 people, the annual production of 15,000 tons of graphite electrodes, mainly produces various specifications of the general power, high-power, ultra high power graphite electrode and other carbon products.

公司占地面积3600平方米,现有员工200余人,其中工程技术人员39人,年生产石墨电极15000吨,主要生产各种规格的普通功率,高功率,超高功率石墨电极等多种碳素制品。

The variable high-power directional coupler could be used in the high power RF systems for linacs and the other devices.

它具有调整范围宽,承受功率高,真空性能好的优点。可用于电子直线加速器和其它高功率微波设备中。

Using two pig-tailed high-power LDs as the pump source, through both-end pumping a high Tm3+-doped double-clad fiber under efficient cooling, 70 W of laser output near 2μm was obtained.

另外,还对该高功率光纤激光器的光谱特性、波长红移现象等进行了分析,并且提出了获得更高输出功率的方法。

In this paper, the possibility of using electromagnetic wave radiation pressure to the measurement of microwave power, especially the measurement of the peak power or total energy in a single shot high energy microwave pulse is discussed.

讨论了应用电磁波的辐射压力在空间测量微波功率,特别是单次脉冲高功率微波的峰值功率和能量的方法。

Of electric current, voltage and resistor what can make up programmed control to make electric current, voltage and power is accurate read time use within transient state simulative generator of buy pulse form is successive as laden as pulse job has the synchronism outside complete protective function to spark input higher power can shunt-wound job can make, electronic load is all Agilent Dc that the solution of stand-alone of ideal equipment Agilent of power cell and batteries capacity test offers your place to need all sorts of dynamic and laden application undertook optimizing.

电流、电压及电阻的可编程节制电流、电压及功率的切确读回用于瞬态模拟的内置脉冲形发生器陆续与脉冲负载工作存在完整的保护性能外同步触发输入较高功率可并联工作可使到高达240V的负载可利用单输入或多输入主机箱 3年保修期 Agilent直流电子负载是测试与评估直流电源,功率元件和电池容量测试的理想行动措施 Agilent单机解决方案供给您所需的一切 Agilent dc电子负载为各类动静负载应用进行了优化。

The power loss corresponded with the current ripple is analysed, then the method to design a inductor for minimal power loss is proposed in this paper.

高效率、高功率密度、高可靠性成为开关电源发展的趋势[1-7],而其中高效率是提高功率密度和可靠性的一个重要因素。

In order to obtain 266nm UV laser, we use a type-I phase match BBO crystal(θ=47.6°) pumped by the green laser above and a focus lens. the spectrum of 266nm UV laser is measured by a UV spectrometer. But we can not obtain the output power for absence of available spectroscopes.

高功率、高重复频率绿光激光器的基础上,采用I 类相位匹配(θ=47.6°)的BBO 倍频晶体,实验中测得了266nm 激光光谱,但由于缺乏有效的分光措施无法测得输出功率。

A new type of X-band high power microwave source - the Resonator Cerenkov Oscillator-Tapered Amplifier Tube is put forward for the first time in the present paper. The proposed high power microwave device is based on a comprehensive investigation of related research work in the world and is in agreement with the demands to the development of practical high power microwave sources.

在较全面调研和认真分析高功率慢波器件发展趋势的基础上,结合返波振荡器等切仑科夫器件和渐变锥形结构微波器件的特点,提出了一种新型X波段高功率微波发生器—低磁场谐振腔切仑科夫振荡器—锥形放大管。

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Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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