摘 要：從理論上研究時間雙光路二氧化硫熒光檢測機(jī)理，推導(dǎo)了測量二氧化硫氣體濃度的數(shù)學(xué)模型。該方法從理論上消除了因氣體成分改變所引起的二氧化硫的測量誤差，使其在選擇性、靈敏度、抗干擾能力等都有較大的提高。
關(guān)鍵詞：檢測機(jī)理；二氧化硫；時間雙光路
Study on Measurement Mechanism for the Concentration of Sulfur D ioxide
GONG Ruikun, WANG Rulin
(College of Information and Electrical Engineering,
CUMT(Beijing), Be ijing 100083, China)
Abstract: A new method of measurement of sulfur dioxide based on time different channel ultraviolet fluorescence was introduced. The method can remove the error of gas change. Moreover, there is greater improvement in selectivity, sensitivity, anti interference ability, etc.
Key words: measurement mechanism; sulfur dioxide; time bilight route