Portable fatty liver detection device based on ultrasound and data processing method thereof
A detection device and data processing technology, which is applied in the directions of ultrasonic/sonic/infrasonic image/data processing, organ movement/change detection, ultrasonic/sonic/infrasonic diagnosis, etc. problem, to achieve the effect of reducing equipment size and power, reducing working power, and reducing complexity
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Embodiment 1
[0041] Example 1: Portable Fatty Liver Detection Device Based on Ultrasound
[0042] The system structure of the present embodiment device is as figure 1 As shown, it includes front-end ultrasonic transmitting and receiving device, processing chip and power supply. The front-end ultrasonic transmitting and receiving device includes a probe, a high-voltage pulse generator and an ultrasonic transmitting and receiving chip.
[0043] In this embodiment, the ultrasonic transmitting and receiving chip is the AFE5805 chip. The AFE5805 chip is used to control the transmission and reception of ultrasonic signals. The ultrasonic transmitting and receiving chip includes an ADC, and the number of the ADC is one.
[0044] The ultrasonic probe in this embodiment is a multi-element probe, which adopts frequency doubling setting, that is, the two emitted frequencies are integer multiples. The two frequencies can transmit at the same time, or one after the other with a time difference.
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Embodiment 2
[0048] Embodiment 2: Data processing method of portable fatty liver detection device based on ultrasound
[0049] The device used in this embodiment is the ultrasound-based portable fatty liver detection device described in Embodiment 1, and this embodiment provides a processing method for the collected ultrasound data.
[0050] Specifically include the following steps:
[0051] (1) The ultrasonic probe emits cylindrical waves and collects ultrasonic echo data in a synthetic emission mode;
[0052] (2) Using aperture synthesis technology to reconstruct the data obtained from the transmitted cylindrical wave and the received echo to obtain beam data;
[0053] (3) Using parallel beam synthesis technology, changing the combination of the transmitting and / or receiving arrays of the ultrasonic probe, repeating steps (1) and (2), and superimposing the beam data obtained each time with the previous beam data, Obtain new beam data until all the array combinations for transmission an...
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