直接进样测汞仪软件消除信号干扰的应用研究

直接进样测汞仪是利用汞元素的易挥发特性,辅以氧气为载气,通过电热蒸发方式将待测物质中的汞化合物彻底氧化还原成汞蒸气,在载气带动下汞蒸气进入吸收池引起光强减弱程度的一种冷原子吸收光谱法.本文主要研究直接进样测汞仪自动化控制软件如何应用滤波算法来消除信号干扰和噪声,还原采集信号真实状态,保持数据的灵敏度和稳定性.同时对滤波...

Application Study of Mercury Meter Software To Eliminate Signal Interference

Direct mercury injection test instrument is the use of volatile physical and chemical properties of the element mercury,complementary with oxygen for the carrier,by way of electric heating evaporation from the material under test mercury compounds thoroughly oxidation reduction into any form of mercury vapor,under the carrier gas drive,elemental mercury vapor into the special light source,low pressure mercury lamp spectral absorption pool caused by light intensity weakening degree of a cold atomic absorption spectrometry.This paper mainly studies how to apply filtering algorithm to eliminate signal interference and noise,restore the real state of collected data,and maintain the sensitivity and stability of data.At the same time,the experimental application of filtering algorithm is studied to provide help for more stable performance of mercury-measuring instrument and more accurate sample measurement.