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In this study, a blind source separation model is used for the identification of leakages based on the temperature data of DTS in leakage monitoring of ERJD. First, a denoising method is established based on the temperature monitoring data of distributed optical fiber in ERJD by a wavelet packet signal decomposition technique. The temperature monitoring messages of fibers are combined response for leakages and other factors. Its character of unclear responding mechanism is very obvious. Thus, a blind source separation technology is finally selected. Then, the rule of temperature measurement data for optical fiber is analyzed and its temporal and spatial change process is also discussed. The realization method of the blind source separation model is explored by combining independent component analysis (ICA) with principal component analysis (PCA). The practical test result in an example shows that the method could efficiently locate and identify the leakage location of ERJD. This paper is expected to be useful for further scientific research and efficient applications of distributed optical fiber sensing technology.<\/jats:p>","DOI":"10.1155\/2015\/281538","type":"journal-article","created":{"date-parts":[[2015,7,27]],"date-time":"2015-07-27T21:02:06Z","timestamp":1438030926000},"page":"1-6","source":"Crossref","is-referenced-by-count":7,"title":["Blind Source Separation Model of Earth-Rock Junctions in Dike Engineering Based on Distributed Optical Fiber Sensing Technology"],"prefix":"10.1155","volume":"2015","author":[{"given":"Huaizhi","family":"Su","sequence":"first","affiliation":[{"name":"State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China"},{"name":"College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China"}]},{"given":"Meng","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China"},{"name":"College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China"}]},{"given":"Kunpeng","family":"Zhao","sequence":"additional","affiliation":[{"name":"National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Nanjing 210098, China"}]},{"given":"Zhiping","family":"Wen","sequence":"additional","affiliation":[{"name":"Department of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.12989\/sss.2012.9.5.393"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1007\/s12665-011-1501-2"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2478.1957.tb01431.x"},{"first-page":"241","volume-title":"Distributed fiber-optic temperature sensors: principles and applications","year":"2000","key":"6"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1109\/jsen.2012.2227468"},{"first-page":"201","volume-title":"Distributed fiber optic sensors","year":"2000","key":"8"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1109\/jsen.2003.820352"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.12989\/gae.2012.4.1.067"}],"container-title":["Journal of Sensors"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2015\/281538.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2015\/281538.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2015\/281538.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T15:43:52Z","timestamp":1589557432000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/js\/2015\/281538\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015]]},"references-count":8,"alternative-id":["281538","281538"],"URL":"https:\/\/doi.org\/10.1155\/2015\/281538","relation":{},"ISSN":["1687-725X","1687-7268"],"issn-type":[{"type":"print","value":"1687-725X"},{"type":"electronic","value":"1687-7268"}],"subject":[],"published":{"date-parts":[[2015]]}}}