有效功率

DCM071 three-phase digital electricity tester refers to relevant standards, controlling by high-speed SCM, multiplication circuit and integral A/D conversion can achieve synchronized measurement about real virtual value and frequency of three-phase voltage、current、power.

DCM071三相数字电量测试仪参照相关标准，采用多微高速单片机控制，由乘法电路及积分A/D转换实现同步测量三相电压、电流、功率的真有效值和频率。

A number of strategies have emerged, and will continue to emerge, to help reduce the energy associated with external disk storage, including "thin provisioning," data deduplication, and low-power operations.

一些有效措施已浮出水面，接下来将会有更多方案出现，从而帮助减少与外部磁盘存储相关的能耗，这包括"自动精简配置"、重复数据删除和低功率运行。

Calculation results show that the solar heating system could enhance desorption temperature,improve performance of continuou...

计算结果表明，该太阳能集热系统可有效地提高吸附剂解吸温度及单位集热面积的制冷功率，实现太阳能的高效利用。

In this dissertation, based on the extraction of meaningful polarization information, the polarimetric speckle reduction, polarimetric contrast enhancement, polarimetric classification and ship detection in polarimetric SAR images are systemically studied. During the study, some new concepts and methods are introduced, which are supported by the application to measured Pol-SAR data. The innovations of this dissertation are as follows: 1 A simplified schem is proposed to reduce the complexity of scattering-model-based speckle filtering. 2 Extend the expression of polarimetric correlation coefficient to help distinguishing targets. In addition, introduce the quantized parameters of polarimetric signature so as to show the differentiae in quantity in co-polar power, cross-polar power and shapes of polarization signatures among targets. 3 Define a new parameter of difference degree between targets, which can be used for express the difference between both coherent and distributed scatters.

论文在较系统的研究目标特征量提取方法和特征量所包含的物理意义的基础上，对极化SAR图像降斑、极化对比增强、极化SAR图像分类以及极化SAR图像中海上舰船目标检测等方面进行了研究，并提出了一些新的概念和方法，对实测数据的处理结果表明，这些新的概念和方法对于极化SAR信息处理是有效的，本文的主要创新成果包括以下方面： 1）针对基于预分类的MMSE极化降斑方法实现过程非常复杂的问题，提出了简化方案，并验证了方案的有效性； 2）扩展了极化相关系数的表示方法，这种扩展增强了极化相关系数对目标的区分效果；另外还提出了极化特征图量化参数，可以从量上表征不同目标间相同极化和交叉极化的回波功率差异和极化特征图形状差异； 3）定义了目标间的差异度参数，它不仅可以用于描述相干目标，还可以用于描述分布目标的差别程度。

The double edge-triggered flip-flop using the conditional precharged technique could be used to reduce half of the clock power in a pipelined system efficiently.

此种使用了条件性充电技术的双缘触发正反器能够在管路化系统中有效地降低一半的时脉功率消耗。

By means of the ballast effect of the vertical resistor of this non-crystalline Si layer, inject current crowding at emitter edge can be overcome.

与通常晶体管相比，FFJ的有效发射极面积对基极面积之比值提高2～3倍，输出功率-阻抗乘积提高5～10倍。

The high-voltage electric bridge method improved is another accurate and convenient method to measure DBD plasma discharge power, owing to it can effectively eliminate the effect of equivalent capacitance in discharge gap.

经过改进的高压电桥法能有效地排除放电间隙等效电容的影响，使它成为另一种能够准确、方便测量DBD等离子体放电功率的方法。

Clock gating is an efficient way of reducing dynamic power consumption in digital circuits.

时钟闸控是降低数位电路动态功率消耗的有效方法。

Many methods of save leakage power have been general developed, and power gating is one of the most effective methods.

节省漏电功率的方法已经广被发展，而电源闸是众多有效方法的其中之一个。

Quality of the two curves has been compared by performance, the refrigerating capacity of compressor using simple harmonic curve drops little results show if controlling radial clearance strictly, however shaft power and discharge temperature will decrease.

本文分析了两种型线的特点并进行了性能比较，对于简谐曲线构成的缸体型线，压缩机径向间隙的有效控制是保证旋叶式压缩机制冷量、轴功率和排气温度等性能参数的关键。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。