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Keywords: photodiode arrayClose
Proc. ASME. IDETC-CIE2001, Volume 1: 21st Computers and Information in Engineering Conference, 799-805, September 9–12, 2001
Paper No: DETC2001/CIE-21668
... on the principle of the measurement. The detection system uses two laser lines that are projected onto the ground as probes. The reflected light is collected and focused onto a photodiode array by an optical system. Vehicle presence is detected based on the absence of reflected laser light. By placing two...