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In the paper, a new method using time-domain response data under random loading is proposed for detecting damage of offshore platform structures. In the study, a time series model with a fitting order is first constructed using the time domain response data with measurement noise. A sensitivity matrix consisting of the first differential of the autoregressive coefficients of the time series models...
Making use of arc image gathering system that base on high-speed picture frequency CCD technique, we proceed arc imagine gathering and analysis on CJX1-12/22 AC contactor. During high-speed arc image dynamic shoot process, it inevitably exists noise that coming from many aspects influencing image quality. The arc image analysis mainly concentrates on many aspects such as the motion forms and trend...
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