介绍了混频技术的原理及其在超高频局部放电信号提取中的应用。
The principles of frequency mixing technique and its application to detect PD signals at ultra high frequency (UHF) are introduced in this paper.
本文的工作为变压器局部放电超高频检测技术的现场应用提供了实验基础。
The work performed in this thesis will be of some value in terms of theory and practice for the UHF partial discharge detection of transformer.
对于GIS局部放电的测量，超高频法是一种较为有效的方法。
The ultra-high-frequency(UHF) method has been proved an effective way for the measurement of partial discharge in GIS.
GIS局部放电；超声波检测法；超高频检测法。
GIS partial discharge; ultrasonic detection; ultra-high frequency detection.
针对大型电力变压器局部放电超高频检测法进行了初探性的研究。
The Research of Partial Discharge Detection Technology of XLPE Cable Accessories Based on UHF;
针对大型电力变压器局部放电超高频检测法进行了初探性的研究。
The primary exploration of large power transformer PD UHF detection method is discussed.
GIS局部放电脉冲含有较为丰富的超高频信号成分，利用GIS局部放电产生的高频辐射特性可以有效地检测GIS局部放电。
Partial discharge(PD)in GIS could be detected efficiently with its frequency characteristics, because of a lot ultra-high frequency composition in GIS partial discharge signal.
实验结果表明，设计的天线满足GIS局部放电超高频检测要求，建立的系统可以方便地实现GIS局部放电检测和局部放电源的定位。
The experimental results show that this type antenna can meet the need of PD UHF measure, and the system can detect and locate conveniently PD in GIS.
介绍了一套变压器局部放电超高频检测校正装置。
The calibration device for transformer UHF PD detection is introduced.
通过大量的性能测试和试验证明，超高频传感器既能够有效的避开空气中的电晕干扰，又能够方便有效的测量到GIS内部局部放电的信号。
Experiments show that the UHF sensor can effectively avoid the effect from corona discharges in air, and can conveniently detect PD signals in GIS.
为有效计算局部放电超高频信号的网格维数，提出了一种二维曲线网格维数估计方法，比原差盒计数法具有更准确的估计结果。
To calculate the gridding dimension of PD UHF signal, a gridding dimension estimate method is presented, which has a more accurate estimate results than the original difference box-counting method.
为有效计算局部放电超高频信号的网格维数，提出了一种二维曲线网格维数估计方法，比原差盒计数法具有更准确的估计结果。
To calculate the gridding dimension of PD UHF signal, a gridding dimension estimate method is presented, which has a more accurate estimate results than the original difference box-counting method.
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