CAJ | 학술논문

随着国内经济的高速发展,环境空气质量日益恶化,气体排放源监测成为环境科学领域中的一项重要研究工作.文中提出并实现了高温参考谱模型法和标气测定法,对合成校准光谱进行了温度修正,从而提高基于数值计算的非线性最小二乘算法在高温气体浓度反演时的精度.从实验测得的透过率光谱中反演了不同温度下标准气体CO的浓度.结果表明:相对于未采取温度修正措施的校准谱获得的浓度反演结果,精度有较大提高.文中的研究结果对于研究高温气体光谱特征、不断完善定量分析算法、准确监测非常温下气体排放浓度、红外制导等具有重要意义.
수착국내경제적고속발전,배경공기질량일익악화,기체배방원감측성위배경과학영역중적일항중요연구공작.문중제출병실현료고온삼고보모형법화표기측정법,대합성교준광보진행료온도수정,종이제고기우수치계산적비선성최소이승산법재고온기체농도반연시적정도.종실험측득적투과솔광보중반연료불동온도하표준기체CO적농도.결과표명:상대우미채취온도수정조시적교준보획득적농도반연결과,정도유교대제고.문중적연구결과대우연구고온기체광보특정、불단완선정량분석산법、준학감측비상온하기체배방농도、홍외제도등구유중요의의.
With the rapid economic development, the ambient air quality has been on the slide. Gas emission sources monitoring was an important research in the field of environment science. The high temperature reference spectral line model method and standard gas measurement method were put forward and realized, by which the synthetic calibration spectrum was corrected and the high temperature gas concentration retrieval accuracy was improved based on the nonlinear least square algorithm of numerical calculation. The concentrations of the standard gas CO were inversed under different temperatures by the experiment measured transmittance spectra. As a result, the accuracy has been improved greatly, comparing to concentration inversion results with no temperature correction calibration spectrum. The results in the paper were important for high temperature gas spectral features, perfecting quantitative analysis algorithm, accurately monitoring gas emissions concentration not at the room temperature, infrared guidance and so on.