[1] He Y T. Technology of bag-house with leak detection by capacitive sensor[D]. Wuhan: Wuhan University of Science and Technology, 1-6(2012).

[2] Yu X M, Wu X J, Lü X C. The present situation and prospects of monitoring and locating leakage in bag filters[J]. Industrial Safety & Dust Control, 31, 13-14(2005).

[3] Wang S M, Xu Y Q, Lu Y et al. On-line monitoring particulate mass concentration emitted by coal fired boiler[J]. Journal of Combustion Science and Technology, 3, 58-62(1997).

[4] Xie Z Y. Electrostatic charge law fibaric bag dust exclusion leak hunting instrument development[J]. Control & Automation, 21, 153-154(2005).

[5] Pan W G, Wang Q J, Cao J M et al. Study on measurement of the coal powder concentration in pneumatic pipes of boiler with velocity-pressure difference method[J]. Chinese Journal of Scientific Instrument, 20, 461-463(1999).

[6] Zhang J. Application of fluorescent powder leak detection technology in bag filter[J]. Journal of Electric Power, 28, 259-262(2013).

[7] Mrc P, Gernot P, device: US5572327[P]. -11-05(1996).

[8] Hayes J R. -06-01[P]. Cabot C. Bag filter leak detection: US3960001, A, .(1976).

[9] Zhang X P, Zhang Y X, Wang F et al. Ultra-long fully distributed optical fiber sensor based on Rayleigh scattering effect[J]. Chinese Journal of Lasers, 43, 0700002(2016).

[10] Xie K L, Rao Y J, Ran Z L. Distributed optical fiber sensing system basedon Rayleigh scattering light φ-OTDR using single-mode fiber laser with high power and narrow linewidth[J]. Acta Optica Sinica, 28, 569-572(2008).

[11] Feng K B, Song M P, Xia Q L et al. High-resolution distributed optical-fiber sensing techology based on direct-detecting coherent optical time-domain reflectometer[J]. Acta Optica Sinica, 36, 0106002(2016).

[12] Wang H H, Zhang B. Technology of fabric filter and its application[J]. Jilin Electric Power, 25, 14-17(2004).

[13] Chen L, Zhu T, Bao X Y et al. Distributed vibration sensor based on coherent detection of phase-OTDR[J]. Journal of Lightwave Technology, 28, 3243-3249(2010). http://www.opticsinfobase.org/JLT/abstract.cfm?uri=JLT-28-22-3243

[14] Gao J, Jiang Z, Zhao Y et al. Full distributed fiber optical sensor for intrusion detection in application to buried pipelines[J]. Chinese Optics Letters, 3, 633-635(2005). http://www.opticsjournal.net/Articles/Abstract?aid=OJ0606060013035B8EaG

[15] An Y. Two-beam φ-OTDR distributed fiber sensing technology and application[D]. Tianjin: Tianjin University, 38-40(2014).

[16] Chang C C, Lin C J. LIBSVM: a library for support vector machines[J]. ACM Transactions on Intelligent Systems and Technology, 2, 27(2011). http://dnaresearch.oxfordjournals.org/external-ref?access_num=10.1145/1961189.1961199&link_type=DOI

[17] Hsu C W, Chang C C, Lin C J[2018-01-03]. A practical guide to support vector classication [2018-01-03].https://pdfs.semanticscholar.org/7823/81def9a727e050802d640308026ba073aafc.pdf..

[18] Zhang J N, Lou S Q, Liang S. Study of pattern recognition based on SVM algorithm for φ-OTDR distributed optical fiber disturbance sensing system[J]. Infrared and Laser Engineering, 46, 0422003(2017).