Kalman filter was used to pretreatment of pressure signal to obtain the real data similar to Guass distribution.Then SPRT was used to determine leakage of pipeline.
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释义
针对原始压力信号噪声的非高斯性,采用卡尔曼滤波器进行预处理,提高了序贯法判断泄漏的准确性。
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