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data measuring
相关语句
  数据测量
    In contrast,the disturbed power system trajectories recorded by data measuring instruments as Phasor Measurement Units(PMU) can reflect the real dynamics of power systems.
    与此相比,由电网数据测量装置,如相量测量装置(Phasor Measurement Unit-PMU)所记录的系统受扰轨迹是对系统动态特性的真实反映,从中提取稳定性信息对掌握系统运行特点和稳定特性非常重要。
短句来源
  测量数据
    It is pointed out that the higher functions of harmonics can be further developed using this harmonic meter,such as harmonic data measuring,harmonic database establishment,harmonic power flow calculation,harmonic resonance analysis,harmonic simulation,etc.
    指出了利用该仪器可进一步开发谐波的高级功能 ,可利用谐波测量数据 ,建立谐波数据库 ,进行谐波潮流计算 ,谐波谐振分析 ,以及谐波仿真等。
短句来源
  数据测量
    In contrast,the disturbed power system trajectories recorded by data measuring instruments as Phasor Measurement Units(PMU) can reflect the real dynamics of power systems.
    与此相比,由电网数据测量装置,如相量测量装置(Phasor Measurement Unit-PMU)所记录的系统受扰轨迹是对系统动态特性的真实反映,从中提取稳定性信息对掌握系统运行特点和稳定特性非常重要。
短句来源
  “data measuring”译为未确定词的双语例句
    Its main program has carried out following calculation: basic electric parameter, regulating difference, grey prediction PID control, confining and protecting, moving vector triggering angle and so on. And interrupt program has finished collection and storage of data, measuring of frequency, shaping of triggering pulse and so on.
    主程序主要完成硬件、软件的初始化,基本电参量的计算,调差计算,灰色预测PID控制计算,限制保护计算,移相脉冲触发角计算等任务,而中断程序主要完成数据的采集和结果存放、频率测量、触发脉冲形成等任务。
短句来源
    A digital measurement apparatus is developed for Impulse high voltage. Ine ap paratus composes of a high speed A/D converter(20 MHz),a single-chip computer interface and some other high speed analog intergrated circuits with excellent function,It is characteristic of flxing transient waveforms,storing,processing and analysing waveform data measuring maxi-mum value of impulse high voltage.
    所提出的用于测量冲击高压的数字测量装置由高速A/D转换器(20MHz)单片机接口及其它性能优良的高速数字集成电路组成。 具有固定单次瞬态波形、存贮、处理和分析波形数据及检测冲击高压峰值等功能。
短句来源
    This paper analyzed and designed a concentric-distributive power management system consisting of industrial control computer STD and IBM-PC 386, which is used for data measuring and test. The system,with multilevel-concentric-distributi control and shared ROM, can provide powerful capacity, less cost flexible oPeration and interference free,
    分析设计了一种利用STD工业控制机和IBM-PC386微机等组成的集散型电力系统以进行参数的计量、检测,该系统采用多级集散型控制方式和共拿内存技术,具有功能强、威本低、使用灵活和较强的抗干扰能力等特点。
短句来源
    Availing the technology of GSM/GPRS wireless mobile communication, the author develops a remote data measuring and controlling system, which aims at controlling PV system running.
    作者结合GSM/GPRS无线移动通信技术,开发了针对并网光伏系统运行的远程数据采集监控系统。
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  data measuring
This paper examines the combined use of a prospective view of length of stay (LOS) using life table analysis and examinations of point-in-time data measuring the LOS of individuals hospitalized on a given day.
      
The approaches among these states to collecting on-site monitoring data (measuring compliance) and evaluating sites are variable.
      
Engng Sci.44, 2881-2897) is applied to literature data measuring chemotactic bacterial population distributions in response to steep as well as shallow attractant gradients.
      
We urge production of comparable country data measuring progress towards clear sustainable production and consumption targets.
      
We tested our model with annual data measuring the budget balance of the ten Canadian provinces.
      
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For the measurement and evaluation of A.C. track circuit parameters, the"Receiving End Voltmeter" method should be the most simple and most avai-lable one. While in actual measurement, |cos2αl|>1 may be confronted in cer-tain cases, even with a trifle of errors, thus leading to the unsolvability ofphase-shift coefficient α. As a result track circuit parameters can't be evalua-ted with the data measured then. In this paper,cut and try method as well asthe simplified method further, is recommended for the...

For the measurement and evaluation of A.C. track circuit parameters, the"Receiving End Voltmeter" method should be the most simple and most avai-lable one. While in actual measurement, |cos2αl|>1 may be confronted in cer-tain cases, even with a trifle of errors, thus leading to the unsolvability ofphase-shift coefficient α. As a result track circuit parameters can't be evalua-ted with the data measured then. In this paper,cut and try method as well asthe simplified method further, is recommended for the evaluation of para-meters in above cases. Besides, method of reasoning is introduced for the caseof 0>cos2αl>-1 to obtain the correct answer.

在交流轨道电路参数测试方面,最简单易行的方法应当是受电端电压表法。但在实际测试汁算中,在一定的条件下,由于测量中的少许误差,往往会遇到|cos2αl|>1的情况,使相移系数不能求解,从而测试后不能计算出轨道电路的诸参数。本文提出的切凑求解法及简化法可使上述情况下轨道电路参数的计算得以进行。此外,还介绍了0≥cos2αl>-1时,如何进行推理确认。

It is very important to accurately and reliablv monitor oxygen concentration in gaseous environments for scientific experiments and industrial processes The temperature difference between working and reference electrodes is a main source of experimental error in the oxygen measurement using ZrO_2-based electrolyte cell.The relationship of the temperature difference (T_2-T_1)and gas flow rate Q has been obtained according to experimental measurements in this work,and the results could be expressed by the following...

It is very important to accurately and reliablv monitor oxygen concentration in gaseous environments for scientific experiments and industrial processes The temperature difference between working and reference electrodes is a main source of experimental error in the oxygen measurement using ZrO_2-based electrolyte cell.The relationship of the temperature difference (T_2-T_1)and gas flow rate Q has been obtained according to experimental measurements in this work,and the results could be expressed by the following equation: T_2-T_1=aQ~b where a and b are constants.Using our experimental results the accurate and reliable data measured by the ZrO_2-based electrolyte oxygen sensor can be obtained.The influence of the mixed EMF and gaseous flow resistance on the experimental error in the oxygen measurement has also been discussed in this paper. Several suggestions for improving the characteristics of oxygen sensor have been proposed.

准确而可靠地监测气体中的氧浓度,对于科学实验和工业生产是十分重要的。在使用二氧化锆基固体电解质氧传感器测定气体中氧含量时,工作电极和参比电极的温度差是测量误差的重要来源。本工作根据实验测定得到了两电极温度差(T_2-T_1)和气体流量 Q 的关系,其结果可以用下式表示T_2-T_1=aQ~b这里 a 和 b 是常数。用本实验结果,能够得到由二氧化锆基固体电解质氧传感器测得的准确而可靠的数据。本文还讨论了混合电动势和气流沿程阻力对氧测量误差的影响。为了改进氧传感器的性能,本文提出了一些建议。

After analyzing human behaviour and dealing with the data measured from field, this paper describes power system load caracteristics as a stochastic system, in which system noise is a zero mean gaussian random process. The repeatability of the statistic rules is shown by three measurements in Hushitai substation of Northeast Network-Nonstability of load model parameters in identification is defined and resolved- Three dynamic load model are identified from Hushitai data and called HST models.The...

After analyzing human behaviour and dealing with the data measured from field, this paper describes power system load caracteristics as a stochastic system, in which system noise is a zero mean gaussian random process. The repeatability of the statistic rules is shown by three measurements in Hushitai substation of Northeast Network-Nonstability of load model parameters in identification is defined and resolved- Three dynamic load model are identified from Hushitai data and called HST models.The comparison of transient stability studies on 459-bus Northeast Network between two kinds of load model: 70% motor plus 30% constant impedance and HST model, is carried out-This paper emphasizes the necessity of the power system transient simulation verification, otherwise the load model cannot be verified. Three examination methods are given, among which field test is put in first place.

本文提出了电力系统负荷特性是一个具有零均值白噪声的随机系统。并用三组现场实测数据辨识出模型的良好重现性,表明了总体测辨法是可行的。 本文还提出了参数辨识不稳定问题及其解决方法。比较了在东北网分析计算中采用实测负荷模型和常规负荷模型的结果。

 
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