【摘要】 为了实现海上油膜厚度实时动态测量,针对所研制的基于差分激光三角法的油膜厚度测量系统,设计了基于DSP的数据采集处理系统。该系统包括相机接口电路、CPLD控制和预处理电路、DSP主处理电路、以及CPLD和DSP之间的缓存电路,并开发了软件驱动和数据处理算法。利用所设计的数据采集处理系统和光学测量装置,对不同厚度的块规和石油油膜进行了实验测量。研究结果表明了该系统的可行性,可用于海面溢油油膜厚度的动态在线测量。更多还原

【Abstract】 To carry out the real-time dynamic measurement of oil film thickness in seawater,a data acquisition and processing system based on DSP is designed on the basis of measurement system of oil film thickness based on differential laser trigonometry developed.The system consists of a camera interface circuit,a CPLD control and preprocessing circuit,a DSP main processing circuit and the buffer between the CPLD and DSP.The software drivers and the data processing algorithms are developed.Combining the data collection and processing system designed and optical measurement device,the experiments are conducted for different thickness of block gauge and petroleum of various thickness.The research results show that the system developed is feasible and applicable to dynamic on-line measurement of oil film thickness of oil spill on sea surface.更多还原