Attenuation-moisture test was carded out based on the principle of UHF signal transmission attenuation.
根据特高频信号传输衰减原理进行衰减-吸潮性试验。
This method analyzes VHF and UHF signal of detected cable joint, using time and frequency analysis. This method can be used for detecting PD pulse inside or outside the insulating joint.
该法对电缆绝缘接头处VHF和UHF信号的时域和频域分析可有效地识别被测电缆绝缘接头部内、外部的局放信号。
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。
Experimental results show that the system can acquire and extract the UHF partial discharge signal in GIS.
实验结果表明，该系统能够采集到GIS中局部放电产生的特高频信号。
By analysis the factors which affect of UHF RFID reader's digital receiver, make it clear between signal noise first time, DC offset and receiver performance.
本文首次提出了影响超高频rfid数字接收机性能的各种因素，明确了噪声和直流偏移干扰对读写器性能的影响关系。
By analysis the factors which affect of UHF RFID reader's digital receiver, make it clear between signal noise first time, DC offset and receiver performance.
本文首次提出了影响超高频rfid数字接收机性能的各种因素，明确了噪声和直流偏移干扰对读写器性能的影响关系。
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