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- W4366147119 abstract "Conventional pulse-echo based ultrasound imaging systems utilize high-voltage and short-duration transmit signaling and require high-speed digitization to measure the time-of-flight of received echos. As a result, pulse-echo based imaging systems require bulky and complex analog as well as digital hardware. Frequency modulated continuous wave ultrasound (FMCW) systems are an attractive alternative where low-voltage continuous wave signaling is used for imaging. This paradigm lowers peak power consumption and the received echos can be demodulated to baseband frequency range and therefore digitized at a significantly lower sampling rate. In this work, we design and develop a FMCW-based ultrasound imaging device with the complete transmit and receive signal chain. We have fully characterized the electrical as well as acoustic parameters in order to fully optimize ultrasound imaging performance. The current consumption of our system is 80 mA and the optimum sweep time has been found to be 20 ms for the sweep range of 2-3 MHz. We demonstrate A-mode imaging with our FMCW ultrasound imaging system and believe that our design can be effectively utilized in wearable applications." @default.
- W4366147119 created "2023-04-19" @default.
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- W4366147119 date "2023-01-23" @default.
- W4366147119 modified "2023-10-14" @default.
- W4366147119 title "Design and Characterization of a Frequency Modulated Continuous Wave Transceiver-based Ultrasound Imaging System" @default.
- W4366147119 cites W2027594714 @default.
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- W4366147119 doi "https://doi.org/10.1109/apscon56343.2023.10101348" @default.
- W4366147119 hasPublicationYear "2023" @default.
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