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Transducer elements position calibration in a ring array USCT system

机译:换能器元件在环形阵列USCT系统中定位校准

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Development of Ultrasound Computed Tomography (USCT) transducer elements position calibration method was described. USCT experimental system having 1024 ring array transducer elements, diameter of 104mm, electronic High Voltage multiplexer circuits and commercially available ultrasound research platform was used. The result of applying the transducer elements position calibration to the received data, -6dB Tx / Rx beam width was 0.68mm for uncorrected, 0.20mm for corrected. Corrected value was almost same as simulated value. As a result, when reconstructing crosssectional images in the present experimental system, expected a precise image, not only reflection black-and-white images but also sound-of-speed transmission image would be reconstructed.
机译:描述了超声计算断层扫描(USCT)换能器元件位置校准方法。 USCT实验系统具有1024个环形阵列换能器元件,直径为104mm,电子高压多路复用电路和市售超声研究平台。将换能器元件校准到接收的数据的结果为0.68mm,用于未经检测,0.20mm用于校正。校正值几乎与模拟值相同。结果,当在本实验系统中重建横截面图像时,期望精确的图像,不仅是反射黑白图像,而且还将重建速度透射图像。

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