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Determining the ultrasound time of response using FPGA-based electronics read-out

Ahmad, Norhayati and Saripan, M. Iqbal and Marhaban, Mohammad Hamiruce and Rokhani, Fakhrul Zaman and Mohd Saad, Wira Hidayat (2016) Determining the ultrasound time of response using FPGA-based electronics read-out. In: 2016 IEEE-EMBS Conference on Biomedical Engineering and Sciences (IECBES), 4-8 Dec. 2016, Kuala Lumpur, Malaysia. pp. 769-773.

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This paper presents a system to measure accurate value of time of response (TOR) for ultrasound transducer pairs based on Field Programmable Gate Arrays (FPGA). In the experiment, the transmitter is set to transmit the pulse to the target object and the reflected signal is then captured by the receiver. The time taken for the signal to travel back to the receiver is measured by TOR. FPGA technology and data acquisition system were used to generate a pulse at the transmitter site. The pulse is projected directly to the targeted object and the signal that has been reflected from the object will be captured three times by the receiver. The results show that the TOR value obtained can be calculated accurately. The best TOR found in this study is the signal capture 1 with the lowest percentage error of 0.819%.

Item Type:Conference or Workshop Item (Paper)
Keyword:FPGA; Sensors; TOR; Ultrasound transducer
Faculty or Institute:Faculty of Engineering
DOI Number:10.1109/IECBES.2016.7843554
ID Code:55939
Deposited By: Nabilah Mustapa
Deposited On:30 Jun 2017 17:55
Last Modified:30 Jun 2017 17:55

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