Hardware implementation for receive beamforming and transverse elasticity imaging

We report the design and experimental results of a field-programmable gate array (FPGA)-based real-time ultrasound imaging system that uses a 16-element phased-array capacitive micromachined ultrasonic transducer fabricated using a fusion bonding process. The imaging system consists of the transducer, discrete analog components situated on a custom-made circuit board, the FPGA, and a monitor. The FPGA program consists of five functional blocks: a main counter, transmit and receive beamformer, receive signal pre-processing, envelope detection, and display. No dedicated digital signal processor or personal computer is required for the imaging system. An experiment is carried out to obtain the sector B-scan of a 4-wire target. The ultrasound imaging system demonstrates the possibility of an integrated system-in-a-package solution.

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An FPGA-based ultrasound imaging system using capacitive micromachined ultrasonic transducers

Wong

Chen

Logan

et al. 2012

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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Hardware implementation for receive beamforming and transverse elasticity imaging

Cited by 1 publication

References 9 publications

An FPGA-based ultrasound imaging system using capacitive micromachined ultrasonic transducers

An FPGA-based ultrasound imaging system using capacitive micromachined ultrasonic transducers

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