高功率

The significant improvement might be caused by the Cu substrate which has higher thermal conductivity than conventional Sapphire substrate. However, Cu substrate is a ductile metal plate and easy to deform during the processing. The deformation of the Cu substrate will destroy the LEDs that were bonded on the Cu substrate. Finally, LEDs will be fabricated on the patterned Cu/Si substrate to make high-power LEDs and solve the deformation problem in processing.

主要是因为利用铜基材去取代蓝宝石基板使其具有较高的散热性，可以使元件在较高的饱和电流下驱动以达到高功率的目标，然而，铜金属是延展性佳的材料，因此，在整个元件的制做过程中，易造成发光二极体元件毁坏，利用本实验的方法可以提升制造高功率发光二极体之良率。

Meantime, due to there are many fluctuating modes in plasma, so it is able to bring a new beam-wave interaction mechanism, by it people can invent some new type high power microwave apparatus.

高功率微波装置中的电流密度很大，空间电荷效应强烈，影响了功率的提高，克服空间电荷效应的有效方法是在高功率微波器件中填充等离子体，由于等离子体对空间电荷的中和作用，传输电流会大大提高，从而大幅度提高输出功率，同时由于等离子体中存在多种波动模式，有可能带来新的注波互作用机制，发展新型的高功率微波器件。

High power density as well as high reliability has always been the goal to pursue in the field of moden electric power converters, Power Factor Correction and two transistor forward provide an effective way.

高功率密度、高可靠性和高稳定性是现代电力电子功率变换器不断追求的目标，功率因数校正和双管正激技术为此提供了有效的方法。

Especially in the benthic optical fiber communication system, semiconductor laser diode is required to work more than 25 years.

但是半导体激光器作为一种高功率密度并且具有极高量子效率的器件，微小的输入电流和温度的变化都将导致输出光功率的极大变化，即使在小功率下也不能在室温下连续工作。

There is provided a hard disk drive power reduction module. A data storage system for a computer including low power and high power modes, comprising low power nonvolatile memory; high power nonvolatile memory; and a drive power reduction module that communicates with said LP and HP nonvolatile memory, wherein when read data is read from said HP nonvolatile memory during said low power mode and said read data includes a sequential access data file, said drive power reduction module calculates a burst period for transfers of segments of said read data from said HP nonvolatile memory to LP nonvolatile memory.

本发明提供一种数据存储系统，其用于具有高功率和低功率模式的计算机，所述数据存储系统包括：低功率LP永久性存储器；高功率HP永久性存储器；和与所述低功率和高功率永久性存储器通信的驱动功率减少模块，其中，在所述低功率模式期间当从高功率永久性存储器读取读数据时，且所述读数据包括顺序存取数据文件，所述驱动功率减少模块计算一个突发周期，用于把所述读数据片断从所述HP永久性存储器传送到所述LP永久性存储器。

In guide switch of the present invention, the rotor and the stator are made to have conic frustums to constitute close contact for close fit, rather than loose fit, and this can eliminate spark during high-power microwave transmission, reduce the transmission loss caused by heating and reflection in the switch , and improve greatly the microwave transmission performance.

本发明通过把波导开关的转子和定子做成同锥度的锥形圆台面，使它们之间构成紧密接触，改动配合为紧配合，从而消除高功率微波传输时的打火现象，同时减小开关的传输损耗，减小开关的发热现象，降低反射，使微波传输性能大为改善，从而使这种开关能在高功率甚至超高功率微波系统中应用。

Considering that the phases are hard to controll accurately for the high power microwaves, the spatial powers combining of both parallel beams and intersectant beams is investigated.

针对目前高功率微波相位难以精确控制的情况，结合高功率微波空间功率合成的应用，对有源天线阵列的平行波束和交叉波束的空间功率合成作了初步研究。

The first chapter of the paper mainly states the research of HPM source and HPM appliance based on the transit-time effect,the second chapter introduces a variety of HPM source in investgating course,capability,fabric,research condition,developing tendency aspects and so on,the third chapter descants HPM source based on the axial transit-time effect , the radial transit-time effect and the low diode impedance HPM source based on the axial transit-time effect,the forth chapter includes a conclusion of HPM source and HPM appliance based on the transit-time effect,and gives a assumption of the work in the future.

本文第一章主要简述了高功率微波源和基于渡越时间效应的器件的研究情况，第二章从研发过程、性能参数、结构特点、研究现状、发展趋势等方面系统介绍了各种高功率微波源。第三章则从各个方面详尽介绍了基于轴向渡越时间效应、基于径向渡越时间效应的器件以及低阻抗的轴向渡越时间振荡器，第四章则对高功率微波源和基于渡越时间效应的器件的发展做出了结论，并对以后的工作提出了构想。

The power op amps are high power, high voltage and high current designs.

功率运算放大器是高功率，高电压和高电流的设计。

It can enhance efficient radiation power to n times or more over based on the single high power microwave oscillator, so its meaningful to the development of HPM.

它允许在单个高功率微波源的基础上将有效辐射功率提高n倍甚至几十倍，对高功率微波技术的发展具有深远的意义。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。