HIFU drive system miniaturization using harmonic reduced pulsewidth modulation
Switched excitation has the potential to improve on the cost, efficiency, and size of the linear
amplifier circuitry currently used in high-intensity focused ultrasound (HIFU) systems …
amplifier circuitry currently used in high-intensity focused ultrasound (HIFU) systems …
High-power gallium nitride HIFU transmitter with integrated real-time current and voltage measurement
TM Carpenter, DMJ Cowell, HR Clegg… - … Circuits and Systems, 2021 - ieeexplore.ieee.org
High-Intensity Focused Ultrasound (HIFU) therapy provides a non-invasive technique with
which to destroy cancerous tissue without using ionizing radiation. To drive large single …
which to destroy cancerous tissue without using ionizing radiation. To drive large single …
[HTML][HTML] Optimizing the lateral beamforming step for filtered-delay multiply and sum beamforming to improve active contour segmentation using ultrafast ultrasound …
As an alternative to delay-and-sum beamforming, a novel beamforming technique called
filtered-delay multiply and sum (FDMAS) was introduced recently to improve ultrasound B …
filtered-delay multiply and sum (FDMAS) was introduced recently to improve ultrasound B …
Using Heterogeneous Hardware for Simultaneous Diagnostic and Therapeutic Ultrasound
HR Clegg, TM Carpenter… - 2019 IEEE …, 2019 - ieeexplore.ieee.org
Within the Ultrasound Array Research Platform (UARP) open research system project,
imaging and high-intensity focussed ultrasound (HIFU) implementations are used …
imaging and high-intensity focussed ultrasound (HIFU) implementations are used …
HIFU power monitoring using combined instantaneous current and voltage measurement
C Adams, JR McLaughlan… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
During high-intensity focused ultrasound (HIFU) therapy, it is important that the electrical
power delivered to the transducer is monitored to avoid underexposure or overexposure …
power delivered to the transducer is monitored to avoid underexposure or overexposure …
Modified harmonic reduction pulse width modulation (mhrpwm) for switched excitation of resonant hifu transducers
High Intensity Focused Ultrasound (HIFU) is reliant on carefully designed excitation systems
capable of high power, and low distortion. The use of array transducers additionally requires …
capable of high power, and low distortion. The use of array transducers additionally requires …
A miniature HIFU excitation scheme to eliminate switching-induced grating lobes and nullify hard tissue attenuation
Phased array transducers are increasingly prevalent in a therapeutic contex as they facilitate
precise control of the beam intensity and focus. To produce enough acoustic energy for …
precise control of the beam intensity and focus. To produce enough acoustic energy for …
Large-scale trials of a real-time acoustic backscatter system for solids concentration measurement during nuclear waste cleanup
Real time in situ characterisation of solids concentration would aid operational
understanding and improve efficiency in many industrial systems. This is especially true in …
understanding and improve efficiency in many industrial systems. This is especially true in …
Phase Dithered Modulation in Switched Mode Excitation for Improved Amplitude Control
Multi-level switched mode transmitters provide a simplified method of exciting ultrasound
transducers compared to linear amplifiers. Excitation waveforms are created which switch …
transducers compared to linear amplifiers. Excitation waveforms are created which switch …
A Testbench System for Structural Health Monitoring with Guided-Wave Ultrasound
P Giannelli - 2018 - flore.unifi.it
This dissertation covers the design of the transducers and electronics of a structural health
monitoring (SHM) testbench system targeted at plate-like structures. The health inspection …
monitoring (SHM) testbench system targeted at plate-like structures. The health inspection …