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In order to figure out how changes in equipment and environment impact the imaging result and find out a best imaging condition, in this paper, microbubbles with micron diameter is detected and imaged through a simulated supercavity layer in laboratory. After the image processing, the result shows the changes in distance of bubble region affect the imaging little. When the detection angle is 90 degrees, the bubbles have the clearest imaging. And the growth of bubble number in imaging is increasing with current and reaching saturation at a constant value, and the smaller the diameter of bubble is, the higher sensitivity towards current has.
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