基于等倾干涉与图像处理算法的流体折射率测量传感系统SENSING SYSTEM FOR MEASURING REFRACTIVE INDEX OF FLUID BASED ON NEW IMAGE PROCESSING ALGORITHMS AND EQUAL-INCLINATION INTERFERENCE TECHNIQUE
周国全,段玉婕,朱增旺
摘要(Abstract):
结合等腰劈的等倾干涉原理和CMOS图像传感器技术,设计了一种可测量流体折射率的改进的传感系统,提出了一种新型的图像处理算法,用于等倾干涉图像的特征提取。该系统使用CMOS图像传感器将携带有用信息的光信号转换成电信号,经过一块FPGA芯片采集数字图像,进行数据处理,进而计算出折射率。本文分别使用Matlab和Verilog成功实现了算法,并且进行了一系列模拟测试与性能评估。模拟测试数据表明该传感器系统理论测量精度较高,可应用于流体和其他透明材料折射率的测量。
关键词(KeyWords): 等倾干涉;折射率;光学传感;CMOS图像传感器;FPGA
基金项目(Foundation): 高校物理教指委电动力学教学研究项目(JZW-16-DD-15)
作者(Author): 周国全,段玉婕,朱增旺
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