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A high frame rate ultrasonic all-focus imaging system based on FPGA

An imaging system, all-focusing technology, applied in the analysis of solids using sonic/ultrasonic/infrasonic waves, material analysis using sonic/ultrasonic/infrasonic waves, and processing response signals of detection, etc. It can solve the problems of low frame rate and poor real-time performance. Achieve the effect of improving the imaging frame rate, optimizing the algorithm architecture, and meeting the real-time detection requirements of high frame rate resolution

Active Publication Date: 2022-03-08
广州多浦乐电子科技股份有限公司
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Problems solved by technology

[0005] The embodiment of the present invention provides an FPGA-based high frame rate ultrasonic all-focus imaging system to solve the problems of low frame rate and poor real-time performance of existing industrial ultrasonic full-focus imaging equipment in high-resolution imaging

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  • A high frame rate ultrasonic all-focus imaging system based on FPGA
  • A high frame rate ultrasonic all-focus imaging system based on FPGA
  • A high frame rate ultrasonic all-focus imaging system based on FPGA

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Embodiment Construction

[0028] Next, the technical solutions in the embodiments of the present invention will be described in the following examples, which will be apparent from the accompanying drawings, and Based on the embodiments in the present invention, all other embodiments obtained without creative labor are not made in the premise of creative labor.

[0029] See figure 1 It will be appreciated that the principle of ultrasonic full focus technology is figure 1 Indicated. The full focus imaging is to virtual focus on the echo data matrix captured by the full matrix, and the imaging post processing is implemented. Full matrix capture process: It is arranged in sequence to be: Array element 0, element matrix elements 1, ..., and element N-1. Initiation element 0, N-module receives the echo signal and stored as S 11 S 12 , ..., s 1N ; Excitation the changing element 1, N-module receives the echo signal and stored as S 21 S 22 , ..., s 2N According to such push until the N × N A sweep data is received...

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Abstract

The invention provides a high frame rate ultrasonic all-focus imaging system based on FPGA, including a frame synchronization generation and control module, a multi-element excitation module, an ultrasonic signal sampling module, multiple groups of effective ultrasonic signal storage modules, an all-focus sound path A receiving module, a fully aggregated sound path access module, a multi-group sound path generation module, a data processing control module, a multi-group ultrasonic signal superposition module and an image processing module. The present invention improves the algorithm framework and optimizes the workflow of the all-focus technology, increases the imaging frame rate, and realizes ultrasonic full-focus imaging with a high frame rate under the same conditions, thereby meeting the market's real-time detection requirements for industrial ultrasonic detection with high frame rate and resolution .

Description

Technical field [0001] The present invention relates to the field of ultrasound detection, in particular, relating to a high frame rate ultrasound full focus imaging system based on FPGA implementation. Background technique [0002] Ultrasonic phase-controlled array detection technology is a common method in the field of industrial non-destructive detection. Since the phase-controlled array technology has the advantages of rapid, accurate and adaptability, it is widely used in actual ultrasound detection. Since the ultrasonic phase control array can only perform single-point real-time focus, imaging resolution and accuracy; in recent years, it has gradually been replaced by ultrasonic full focus technology, and ultrasonic full focus technology is a high-level ultrasonic imaging phase-controlled array technology. Collect the full-matrix echo data in any point in the measurement area and perform virtual focus, and can overcome the disadvantages of the phase-controlled array technol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/06G01N29/44
CPCG01N29/0654G01N29/44
Inventor 蔡庆生李振宁骆琦韩淞
Owner 广州多浦乐电子科技股份有限公司
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