有效功率

Those results include cyclic, single blow energy, blow frequency, final blow velocity, practical structure stroke, blow power, air consumption and effective thermal efficiency.

输出的计算结果包括了潜孔锤全部工作性能参数：周期、单次冲击能、冲击频率、冲击末速度、活塞实际行程、冲击功率、耗气量和有效热功率。

The crack can be diagnosed based on the characteristics of the input power flow of circular plate structures with the peripheral surface crack.

在高频情况下，研究了圆板在中心受集中载荷作用下的弯曲波运动以及输入的振动功率流，分析了振动功率流与破损位置及其特征尺寸的关系，从而可进行有效的破损诊断。

According to the primary problems limiting Digital Speckle Pattern Interfermetry to be widely used in practical engineering, a novel DSPI method using multi lower power He-Ne lasers to measure the large object was proposed in this project, which overcomes the contradiction between the laser power and the size of object to be measured.

本项目针对制约数字散斑干涉测量（DSPI-Digital Speckle Pattern Interfermetry）在工程中广泛应用的基础性问题，提出利用多个低功率He-Ne激光器测量大尺度构件的新方法，有效解决了高相干性激光器光功率、体积和待测物尺度之间的矛盾，建立了相应的实验系统，并进行了大量的测量实验，获得了满意的实验结果。

Modern power spectral estimation is applied in leakage current analysis in thispaper and the global character of leakage current is obtained by associated analysis ofpower spectral character and root mean square value of leakage current.

将现代功率谱估计的方法应用于泄漏电流分析中，通过泄漏电流的功率谱特征与泄漏电流时域特征中的有效值的联合分析，更好地把握了泄漏电流的总体特征。

The article analyses angle distribution of radiant energy flow density and angle distribution of radiant power when an electric dipole is oscillating along polar axis in magnetic anisotropic medium,also compares them with the expression of that in isotropic medium;thereby,a theoretical basis for more effectly using electric isotropic and magnetic anisotropic medium is obtained.

分析振荡电偶极子在各向异性磁媒质中沿极轴振荡时其辐射能流密度的角分布和辐射功率的角分布情况，并与各向同性媒质中振荡电偶极子沿极轴振荡时辐射能流密度的角分布和辐射功率的角分布情况进行对比，得出更有效地利用电各向同性磁各向异性媒质的理论依据。y

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。

For the principal component, namely the voltage stability analysis function, three kinds of nodal injection power modes are defined, i.e., the random varying direction of load, the response setting direction of generator and the ratio of active power component to reactive power component in load power, and a continuous power flow model that is easy to utilize and comprehend by dispatching center is built, based on this model three kinds of formulae to calculate the sensitivities of loading margin with respect to three kinds of nodal injection power modes are derived respectively, and on this basis the influence of nodal injection power mode on loading margin can be analyzed in order that the voltage collapse can be avoided by fast implementing early warning of voltage stability and adopting effective corrective control.

文章针对N-EMS的主要组成部分--电压稳定分析功能，定义了3类节点注入功率模式：负荷的随机变化方向、发电机的响应设定方向、负荷的有功和无功比例，建立了易于被调度中心运用和理解的连续潮流模型，在此模型基础上分别推导得到负荷裕度对3类模式的灵敏度公式，据此分析节点注入功率模式对负荷裕度的影响，以便能够快速进行电压稳定预警和采取有效的校正控制来避免电压崩溃。

RFP will be taken as that delivered to the aerial and generally for the unmodulated condition; but in the case of systems in which the application of modulation

中，如使用调制引致有效载波功率增加(如载波及旁频带重新分配致使功率有任何改变除外)，则增加量无须计算在内。

Although this method can affectively compensate static reactive power, it is not good enough for the dynamic reactive power in the port power system. In addition, this method may cause extra harmonic.

并联电容器的补偿方式可以有效的补偿静态无功功率，但是对于港口电力系统中变化的无功功率，补偿得并不好，而且该方法可能会导致额外的谐波。

Those are measured and calculated by computer such as voltage, current, frequency, active power, reactive power and power factor. The errorless of three-phase voltage and current is less than 0.5 percent.

用微机实现对电网电压、电流、频率、有功功率、无功功率、功率因数的测量和计算；计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5％。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了