id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_icxav2q5tjbe7kce734r5lp4wi	Xu Shuping	The Portable Gas Analyzer Based on the Spectrum	2018	6	.pdf	application/pdf	3344	335	63	absorption spectrum inversion gas concentrations, in the application of least square method of gas concentration complete the real-time display of gas concentration, and light-absorbing substance concentration; B is the absorption scattering, the absorbance and the concentration and absorption Two kinds of mixed gas Lambert-Beer absorbance light wavelength lambda, the mixed gas of photon number scattering of gas absorption interference can be ruled out characteristic absorption point, the gas absorbed photon number of photons absorbed minus every other gas absorption of the photon number, again to get the first gas concentration of an iteration, and so on to get other gas concentrations of an absorbance look-up table and the concentration of the gas as formula (7) to calculate the second gas absorbance, gas has obvious absorption peak, read the wavelength of Step 4: iterative inversion to calculate the first gas Step 6: calculation of gas concentration of the adjacent Mixed gas absorption spectrum 	./cache/work_icxav2q5tjbe7kce734r5lp4wi.pdf	./txt/work_icxav2q5tjbe7kce734r5lp4wi.txt