[1] [1] Kim K H, Jahan S A, Kabir E, et al. A review of airborne polycyclic aromatic hydrocarbons (PAHs) and their human health effects［J］. Environment International, 2013, 60: 71-80.

[2] [2] Veyrand B, Brosseaud A, Sarcher L, et al. Innovative method for determination of 19 polycyclic aromatic hydrocarbons in food and oil samples using gas chromatography coupled to tandem mass spectrometry based on an isotope dilution approach［J］. Journal of Chromatography A, 2007, 1149(2): 333-344.

[3] [3] You Fan, Zhu Lan, He Ling, et al. Simultaneous determination of seven metabolites of polycyclic aromatic hydrocarbons in human urine by online solid phase extraction-high performance liquid chromatography［J］. Chinese Journal of Analytical Chemistry, 2014, 42(12): 1723-1728.

[4] [4] Zhou R Z, Jiang J, Mao T, et al. Multiresidue analysis of environmental pollutants in edible vegetable oils by gas chromatography-tandem mass spectrometry［J］. Food Chemistry, 2016, 207: 43-50.

[5] [5] Chen Xin, Ni Xinjiong, Zhang Jiayu, et al. On-line preconcentration for sensitive analysis of PAHs in cosmetics by reversed microemulsion electrokinetic chromatography［J］. Chinese Journal of Analytical Chemistry, 2015, 43(1): 81-86.

[6] [6] Zeng Yaling, Jiang Long, Cai Xiaoyu, et al. Identification of the characteristic vibrations for 16 PAHs based on Raman spectrum［J］. Spectroscopy and Spectral Analysis, 2014, 34(11): 2999-3004.

[7] [7] Zhou R Z, Jiang J, Mao T, et al. Multiresidue analysis of environmental pollutants in edible vegetable oils by gas chromatography-tandem mass spectrometry［J］. Food Chemistry, 2016, 207: 43-50.

[8] [8] Wang Shutao, Zeng Qiuju, Wang Liyuan, et al. Research on the spectrum signal denoising based on NLMS filter fluorescence detecting Benzo (a) pyrene［J］. Acta Optica Sinica, 2015, 35(1): 0130001.

[9] [9] Li Hui, Lin Qizhong, Wang Qinjun, et al. Research on spectrum denoising methods based on the combination of wavelet package transformation and mathematical morphology［J］. Spectroscopy and Spectral Analysis, 2010, 30(3): 644-648.

[10] [10] Chen Cong, Lu Qipeng, Peng Zhongqi. Preprocessing methods of near-infrared spectrum based on NLMS adaptive filtering［J］. Acta Optica Sinica, 2012, 32(5): 0530001.

[11] [11] Yang Zhe, Wang Yutian, Pan Zhao. Fluorescence spectrum denoising method for low concentration petroleum pollutants based on EMD-LWT［J］. Acta Optica Sinica, 2016, 36(5): 0530001.

[12] [12] Wang Wenbo, Zhang Xiaodong, Wang Xiangli. Chaotic signal denoising method based on independent component analysis and empirical mode decomposition［J］. Acta Physica Sinica, 2013, 62(5): 050201.

[13] [13] Wang Wenbo, Zhang Xiaodong, Wang Xiangli. Pulsar signal denoising method based on empirical mode decomposition mode cell proportion shrinking［J］. Acta Physica Sinica, 2013, 62(6): 069701.

[14] [14] Shi P, An S, Li P, et al. Signal feature extraction based on cascaded multi-stable stochastic resonance denoising and EMD method［J］. Measurement, 2016, 90: 318-328.

[15] [15] Zheng Suzhen, Cao Yiping. Five steps of unequal step online three-dimensional inspection based on two-dimensional empirical mode decomposition［J］. Chinese J Lasers, 2014, 41(12): 1208004.

[16] [16] Yu Minjie, Liu Minghui, Dong Zuoren, et al. Study on measuring concentration of ammonia and sulphur dioxide by differential optical absorption spectrometry based on fast Fourier transform［J］. Chinese J Lasers, 2015, 42(9): 0915001.

[17] [17] Han Qingyang, Sun Qiang, Wang Xiaodong, et al. Application of CEEMDAN in Ranman spectroscopy denoising［J］. Laser & Optoelectronics Progress, 2015, 52(11): 113003.

[18] [18] Pan Zhao. Method and experimental study on identification and measurement of petroleum pollutant based on fluorescence spectroscopy［D］. Qinhuangdao: Yanshan University, 2012.

[19] [19] Cui Bingbo, Chen Xiyuan, Song Rui. Application of EMD threshold filtering for fiber optical gyro drift signal denoising［J］. Acta Optica Sinica, 2015, 35(2): 0207001.

[20] [20] Li Min, Song Yanan, Zhou Tong, et al. Defect feature extraction in ultrasonic blind zone based on mathematical morphology［J］. Journal of Mechanical Engineering, 2016, 52(12): 16-22。

[21] [21] Zhang Liguo, Yang Jin, Li Jing, et al. Image characteristic extraction method based on wavelet packet and mathematical morphology［J］. Chinese Journal of Scientific Instrument, 2010, 31(10): 2285-2290.

[22] [22] Tang Jingtian, Li Jin, Xiao Xiao, et al. Mathematical morphology filtering and noise suppression of magnetotelluric sounding data［J］. Chinese Journal of Geophysics, 2012, 55(5): 1784-1793.