Active and passive ultrasonic composite imaging method and system for focused ultrasonic irradiation on phase change nanometer liquid drops
A technology of focused ultrasound and ultrasound imaging, applied in ultrasound/sonic/infrasonic diagnosis, structure of ultrasound/sonic/infrasonic diagnostic equipment, sound wave diagnosis, etc. Solve problems such as high-sensitivity detection to achieve the effect of improving resolution and contrast
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[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0061] The invention provides a high-resolution passive and high-contrast active ultrasonic composite imaging method of focused ultrasonic irradiation of phase-change nano-droplets, comprising the following steps:
[0062] Step 1: Build an experimental platform for focused ultrasound irradiation of phase-change nano-droplets and original RF signal acquisition, and prepare phantom pipeline models and phase-change nano-droplet solutions. By controlling the timing of focused ultrasound irradiation and original RF signal acquisition, respectively Acquisition of passive ultrasound raw radio frequency signals and active ultrasound raw radio frequency signals.
[0063] The concrete process of described step 1 is as follows:
[0064] (1.1) Build an experimental platform for focused ultrasound irradiation phase-change nano-droplets and original radio ...
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