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为了实现水体色度的实时在线测量,设计透射式光纤传感器,搭建光纤传感器系统,利用该系统采集色度标准溶液的光谱数据,采用色度学计算方法建立色差与吸光度的相关性关系,并进行多个水样测试验证。试验结果表明色差与色度具有良好的相关性,采用所设计的光纤传感器系统和色差计算方法测量水体色度,速度快、精度高,无二次污染,能较好地应用于水体色度实时监测。
In order to realize real-time on-line measurement of water colorimetricity, a transmissive optical fiber sensor is designed and an optical fiber sensor system is set up. The chromatographic data of the chromatographic standard solution is collected by the system. The correlation between color difference and absorbance is established by colorimetric calculation. Multiple water samples tested. The test results show that the color difference has a good correlation with the chromaticity. The chromaticity of the water body is measured by the designed optical fiber sensor system and the color difference calculation method. The method has the advantages of high speed, high precision and no secondary pollution, and can be applied to the real time monitor.