[1] Zhou K P, Bai X F, Bi W H. The temperature, turbidity and pH impact analysis of water COD detected by fluorescence spectroscopy[J]. Spectroscopy and Spectral Analysis, 39, 1097-1102(2019).
[2] Zhou S H, Hu X Y, Tang B et al. Application research of normalization algorithm based on EWMA-PCA in standardization of water quality spectral data[J]. Spectroscopy and Spectral Analysis, 40, 3443-3450(2020).
[3] Li Q B, He L Q, Cui H X et al. Fundamental Study on the Detection of Nitrite Nitrogen Concentration in Surface Water by Ultraviolet Visible Spectroscopy, 40, 1127-1131(2020).
[4] Liu E H, Wu D C, Wang J et al. Multi-scene optimization method of water COD measurement based on direct spectroscopy[J]. Acta Optica Sinica, 41, 2230001(2021).
[5] Luo J Y, Wei B, Tang B et al. A method to calculate the turbidity of water environment based on ultraviolet-visible spectrum for the measurement of COD in water[J]. Environmental Science & Technology, 38, 246-250(2015).
[6] Alam T, Rezania B, Bahreyni B. A portable system for estimation of chemical oxygen demand in wastewater using ultraviolet-visible spectroscopy[C](2016).
[7] Li W, Zhang Z Y, Jin X et al. Research on turbidity intelligent detection sensor based on adjustable light intensity[J]. Instrument Technique and Sensor, 15-19(2020).
[8] Hu Y T, Wen Y Z, Wang X P. Novel method of turbidity compensation for chemical oxygen demand measurements by using UV-vis spectrometry[J]. Sensors and Actuators B: Chemical, 227, 393-398(2016).
[9] Wu D C, Wei B, Tang G et al. Turbidity disturbance compensation for UV-VIS spectrum of waterbody based on Mie scattering[J]. Acta Optica Sinica, 37, 0230007(2017).
[10] Zhang H Q. The research on COD measurement technologies based on multi-parameter cross-coupled analysis[D], 20-28(2020).
[11] Agustsson J, Akermann O, Barry D A et al. Non-contact assessment of COD and turbidity concentrations in water using diffuse reflectance UV-Vis spectroscopy[J]. Environmental Science. Processes & Impacts, 16, 1897-1902(2014).
[12] Huang P J, Li Y H, Yu Q J et al. Classification of organic contaminants in water distribution systems developed by SPA and multi-classification SVM using UV-vis spectroscopy[J]. Spectroscopy and Spectral Analysis, 40, 2267-2272(2020).
[13] Li W J. Application of detection and prediction model of COD in water based on ultraviolet visible spectrometry[J]. Water Resources & Hydropower of Northeast China, 36, 32-34, 44, 72(2018).
[14] Li X, Su C Z, Yu D Y et al. Study on the influence of wavelength and low temperature on COD detection by ultraviolet spectroscopy[J]. Spectroscopy and Spectral Analysis, 40, 2403-2408(2020).
[15] Sa J M, Jiang H, Xie K W et al. Characteristic wavelength optimization based on random frog algorithm[J]. Acta Optica Sinica, 41, 1530001(2021).
[16] Yu Y S, Qu Y. Multi-component spectral detection based on neural network in water quality inspection[J]. Optik, 217, 164915(2020).
[17] Cai J C, Deng X, Kan C X et al. Design of water quality COD online detection system based on ultraviolet-visible spectroscopy[J]. Laser & Optoelectronics Progress, 59, 0130001(2022).