Abstract: The ultrafast motion of hypersonic flight vehicles will lead to a large Doppler frequency shift in the echo, thereby contributing to severe mismatch loss during pulse compression that poses ...
Abstract: This work introduces a closed-loop transmit beamsteering system for fetal Doppler ultrasound, driven by an active inference agent. The agent actively reduces uncertainty in fetal heart ...
Illustration and principle of the subcutaneous and continuous BP monitoring by PMUTs in an ambulatory sheep. a The PMUT device is implanted subcutaneously near the sheep’s femoral artery to emit ...
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