Ultrasonic probe bandwidth detection method and system based on lens echoes
An ultrasonic probe and bandwidth detection technology, which is applied in radio wave measurement systems, ultrasonic/sonic/infrasonic equipment testing/calibration, ultrasonic/sonic/infrasonic diagnosis, etc., can solve the problem of not truly reflecting the bandwidth characteristics of ultrasonic probes and limiting ultrasonic probes Optimal design and other issues
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Embodiment 1
[0050] A method for detecting the bandwidth of an ultrasonic probe based on lens echo provided in this embodiment, such as figure 1 shown, including steps:
[0051] S11. Obtain the narrow pulse waveform generated by the pulse transmitter, and store the narrow pulse waveform;
[0052] S12. Using the narrow pulse waveform as the transmitting waveform, and obtaining the channel signal corresponding to the lens echo of the ultrasonic probe surface collected by the oscilloscope, and storing the channel signal;
[0053] S13. Calculate the spectrum of the narrow pulse waveform and the channel signal respectively, calculate the pulse response spectrum of the ultrasonic probe according to the calculated spectrum of the narrow pulse waveform and the spectrum of the channel signal, and obtain the bandwidth of the ultrasonic probe.
[0054] It should be noted that the execution subject of this embodiment is the detection system.
[0055] In step S11, the narrow pulse waveform generated ...
Embodiment 2
[0091] This embodiment provides a system for detecting the bandwidth of an ultrasonic probe based on lens echo, such as image 3 shown, including:
[0092] The first obtaining module 11 is used to obtain the narrow pulse waveform generated by the pulse transmitter, and store the narrow pulse waveform;
[0093] The second acquisition module 12 is configured to use the narrow pulse waveform as a transmission waveform, and acquire a channel signal corresponding to the ultrasonic probe surface lens echo collected by an oscilloscope, and store the channel signal;
[0094] The calculation module 13 is used to calculate the spectrum of the narrow pulse waveform and the channel signal respectively, calculate the pulse response spectrum of the ultrasonic probe according to the calculated spectrum of the narrow pulse waveform and the spectrum of the channel signal, and obtain the bandwidth of the ultrasonic probe.
[0095] Further, the channel signal corresponding to the lens echo on t...
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