using joint time-frequency analysis
using joint time-frequency analysis
采用时频联合分析
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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