Particle velocity detection technology based on Manhattan distance method
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摘要: 提出采用曼哈顿距离法检测气/固两相流中固相颗粒的流速,介绍了检测原理,并提出一种延时估计算法,以降低处理器的数据存储空间;构建了实验系统,分别采用互相关原理检测法和曼哈顿距离法对示波器采集信号进行分析,结果表明曼哈顿距离法检测结果具有较好的稳定性、可靠性。Abstract: It was proposed that Manhattan distance method was used for detecting velocity of solid particle in gas-solid two-phase flow, and detection principle was introduced. A delay estimation algorithm was proposed to save data storage space of processor. An experimental system was built and collected signals by oscillograph were analyzed by cross-correlation theory detection method and Manhattan distance method separately. The analysis result shows that Manhattan distance method has better stability and reliability.
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