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检测频带
相关语句
  detecting frequency band
     An experimental circuit of detecting actual discharge is designed and the discharge wave is analyzed by wavelet package to get adequate detecting frequency band. The test results verify that this approach is effective.
     设计了一种可测量实际放电的局部放电实验电路,对实际放电波形进行小波包分解,可确定在检测过程中的合适检测频带,分析结果与实际检测结果进行对比,表明该方法对局部放电实际检测频带的确定具有指导意义。
短句来源
     Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse.
     电脉冲法检测局部放电的关键问题是确定合适的检测频带
短句来源
     The progress of ultrahigh frequency (UHF)based on-line monitoring of gas insulated switchgear (GIS) in recent years is summarized, including the research results in the UHF transducers, the propagation characteristics of UHF electromagnetic wave in GIS, the recognition and location of partial discharge source and so on. The problems existing in the UHF based on-line monitoring system and its application, such as the selection of detecting frequency band, etc.
     文章综述了基于超高频(UHF)的气体绝缘组合开关设备(GIS)绝缘在线监测近年来所取得的进展,包括在UHF传感器、GIS中UHF电磁波的传播特性、局部放电源识别和定位等方面取得的研究成果,并指出了UHF在线监测系统及其应用中存在的问题,如检测频带的选择等。
短句来源
  “检测频带”译为未确定词的双语例句
     Bandwidth in partial discharge measurement based on wavelet packet analysis
     基于小波包分析的局部放电检测频带确定
短句来源
     Firstly,the relationship between location resolution of EM wave method and the detecting frequency is discussed,and a new frequency band of 1~5GHz is proposed for accurate PD location;
     研究了电磁波法的定位精度与检测频率的关系,提出1~5GHz的局放定位检测频带;
短句来源
     Through the analysis of branch current response the suitable detecting bandwidths of different monitoring points are given. The results of on line and off line discharge quantity calibration are compared and the effective ratio of two calibrating methods are pointed out.
     通过分析支路电流响应及在线、离线标定的分析 ,指出了不同监测点的合适检测频带 ,给出了两种标定的等效比值
短句来源
     The relationship between real discharge magnitude and apparent discharge magnitude is analyzed. The appropriate detection bandwidth of PD is decided by applying wavelet packet to analyze the discharge waveforms of real discharge and apparent discharge. So the test circuit is useable to investigate partial discharge mechanism and partial discharge measurement.
     设计了一种可测量真实放电量的局部放电实验电路 ,分析了视在放电量和真实放电量之间的对应关系 ,同时应用小波包分析对真实放电和视在放电的放电波形进行分解 ,确定合适的局部放电检测频带
短句来源
     The results indicate that the method effectively avoid the adverse effect of the iron core to the time delay and realize accurate location to single PD source successfully,with the minimum error of only several centimeters.
     结果表明,提出的检测频带、传感器阵列技术及时延算法有效地解决了铁心对定位的不利影响,实现了时延的自动测量并将时延测量精度提高到数十皮秒; 通过把遗传算法与时间差算法有机结合成功实现了对单一局放源的定位,实验中定位精度可达数厘米。
短句来源
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  相似匹配句对
     spectroscopy detection.
     能谱检测
短句来源
     Robust-M Detection
     Robust-M检测
短句来源
     On the Fault Diagnosis based on the Detecting Technology of Wavelet Packet Frequency Band Energy
     基于小波包频带能量检测技术的故障诊断
短句来源
     Bandwidth in partial discharge measurement based on wavelet packet analysis
     基于小波包分析的局部放电检测频带确定
短句来源
查询“检测频带”译词为用户自定义的双语例句

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  measurement bandwidth
We achieve a fractional sensitivity ≈4×10-4/ to variations in Eint/? within a measurement bandwidth that covers 2.5 decades of frequency (1-300?kHz).
      
To this aim, the spectral density of the spacecraft linear and angular accelerations must be limited below 0.025 respectively, in the frequency range from 5 mHz to 0.1 Hz, the gradiometer measurement bandwidth.
      
In particular, airway wall dynamics, propagation of higher order modes, and limited measurement bandwidth combine to limit spatial resolution.
      
The resulting system exhibits an unprecedented single-measurement bandwidth of 700 GHz on passive structures.
      
A Spectrum Analyzer with a measurement bandwidth of 9 kHz was used to record the conducted emissions measurements.
      
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Using the impedance matrix of power transformer and its terminal connected circuit as modules, a simulation model for partial discharge pulse propagation in 500 kV substation network is established in the frequency domain.As coupling unit, the impedance of terminal circuit greatly effects the frequency domain. The impedance of terminal circuit and some factors such as connected range, capacitive type equipment and type of connection are investigated. Through the analysis of branch current response the suitable...

Using the impedance matrix of power transformer and its terminal connected circuit as modules, a simulation model for partial discharge pulse propagation in 500 kV substation network is established in the frequency domain.As coupling unit, the impedance of terminal circuit greatly effects the frequency domain. The impedance of terminal circuit and some factors such as connected range, capacitive type equipment and type of connection are investigated. Through the analysis of branch current response the suitable detecting bandwidths of different monitoring points are given. The results of on line and off line discharge quantity calibration are compared and the effective ratio of two calibrating methods are pointed out.

以变压器及其外部电路的阻抗矩阵为模块 ,建立5 0 0 k V变电站局部放电脉冲传播的频域仿真模型 ,以此研究了外部电路阻抗频率特性随电路连接范围、电容型设备、接线方式等因素的变化。通过分析支路电流响应及在线、离线标定的分析 ,指出了不同监测点的合适检测频带 ,给出了两种标定的等效比值

A kind of test circuit measuring real partial discharge is designed. The relationship between real discharge magnitude and apparent discharge magnitude is analyzed. The appropriate detection bandwidth of PD is decided by applying wavelet packet to analyze the discharge waveforms of real discharge and apparent discharge. So the test circuit is useable to investigate partial discharge mechanism and partial discharge measurement.

设计了一种可测量真实放电量的局部放电实验电路 ,分析了视在放电量和真实放电量之间的对应关系 ,同时应用小波包分析对真实放电和视在放电的放电波形进行分解 ,确定合适的局部放电检测频带

Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse. An experimental circuit of detecting actual discharge is designed and the discharge wave is analyzed by wavelet package to get adequate detecting frequency band. The test results verify that this approach is effective.

电脉冲法检测局部放电的关键问题是确定合适的检测频带。设计了一种可测量实际放电的局部放电实验电路,对实际放电波形进行小波包分解,可确定在检测过程中的合适检测频带,分析结果与实际检测结果进行对比,表明该方法对局部放电实际检测频带的确定具有指导意义。

 
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