The invention discloses a double-working-mode
ultrasonic imaging method and
system, and relates to the field of
medical instruments.The method comprises the steps that under the condition that a handheld terminal and a trolley are in wired connection, a performance
signal is generated; the handheld terminal performs front-end preprocessing on the radio-frequency
signal to generate a first complex
baseband signal, and transmits the first complex
baseband signal to the trolley in a wired manner; the trolley performs beam forming based on adaptive
delay calculation to generate a second complex
baseband signal; a first amplitude signal is generated through envelope detection, and then
image display is carried out; under the condition that the handheld terminal and the trolley are in
wireless connection, a portable signal is generated; the handheld terminal performs
parallel beam forming through a preset
delay lookup table to generate a beam forming signal; generating a second amplitude signal through envelope detection and down-sampling, and wirelessly transmitting the second amplitude signal to the trolley; and the trolley displays an image according to the second amplitude signal. By implementing the invention, the problem that the existing
ultrasonic imaging equipment cannot give consideration to high performance and high portability at the same time can be solved, and the practicability of the equipment is improved.