[1] [1] Bruce G Elmegreen, Monica Rubio, Deidre A Hunter, et al.. Carbon monoxide in clouds at low metallic in the dwarf irregular galaxy WLM [J]. Nature, 2013, 495(7442): 487-489.

[2] [2] Justin A Hogan, Joseph A Shaw, Rick L Lawrence, et al.. Detection of leaking CO2 gas with vegetation reflectance measured by a low-cost multispectral imager [J]. IEEE J Selected Topics in Applied Earth Observations and Remote Sensing, 2012, 5(3): 699-706.

[3] [3] Chen Xiao. Research on Multi-Parameters on-Line Detecting of Oil-Immerse Power Transformer Condition Based on Optical Fiber Sensing Technology [M]. Shandong: Shandong University, 2012.

[4] [4] Xiaodong Wang, Liang Huang, Wei Zhang, et al.. Development of a new type of testing platform for trace leakage detection of gas [C]. World Automation Congress (WAC), 2012. 1-4.

[5] [5] Joel M Morris, Yi Xin. Results on gas detection and concentration estimation via mid-IR-based gas detection system analysis model [J]. Sensors Journal IEEE, 2012, 12(7): 2347-2354.

[6] [6] B F Ventrudo, C Storey, J A Gupta, et al.. Temperature dependence of gas-detection sensitivity of InGaAsSb/AlGaAsSb distributed feedback lasers at 2396 nm [J]. Electron Lett, 2012, 48(2): 114-116.

[7] [7] Yajuan Xue, Junxing Cao, Renfei Tian. A comparative study on hydrocarbon detection using three EMD-based time-frequency analysis methods [J]. J Appl Geophys, 2013, 89: 108-115.

[8] [8] Chuanlong Xu, Cai Liang, Bin Zhou, et al.. HHT analysis of electrostatic fluctuation signals in dense-phase pneumatic conveying of pulverized coal at high pressure [J]. Chemical Engineering Science, 2010, 65(4): 1334-1344.

[9] [9] He Junfeng, Liu Wenqing, Zhang Yujun, et al.. A denoising method for backscatter signal of laser ceilometer based on Hilbert-Huang transform [J]. Acta Optica Sinica, 2011, 31(2): 0201001.

[10] [10] Wang Chenxing, Da Feipeng. A novel adaptive windowed Fourier transform for phase retrieval in 3D shape measurement [J]. Acta Optica Sinica, 2012, 32(6): 0612005.

[11] [11] Zhang Yiping. HHT Analysis of Blasting Vibration and Its Application [M]. Hunan:Zhongnan University, 2006.

[12] [12] Chen Xiao, Sui Qingmei, Miao Fei, et al.. Research of gas detection based on spectrum scanning technique of ultra-narrow-bandwidth laser [J]. Spectroscopy and Spectral Analysis, 2011, 31(8): 2044-2048.

[13] [13] Chen Xiao, Sui Qingmei, Miao Fei, et al.. High sensitivity acetylene detection system based on cavity enhanced absorption technique [J]. Optics and Precision Engineering, 2012, 20(1): 9-15.

[14] [14] Zhang Keke. Research on the Spectrum Absorptive Optical Gas Detection Theory and Technology [D]. Heilongjiang: Harbin University of Science and Technology, 2012.

[15] [15] N E Huang, Z Shen, S R Long, et al.. The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis [J]. Proc R Soc Lond A, 1998, 454(1971): 903-995.

[16] [16] Phillp A Marth. Near-infrared diode laser spectroscopy in chemical process and environmental air monitoring [J]. Chem Soc Rev, 2002, 31(4): 201-210.