【摘要】 提出一种层状靶的设计,用来评价甚高频B型超声诊断设备的纵向分辨力,并与线状靶测量方法进行了比较。实验结果说明层状靶精度更高,制作更容易,使用更方便,结果更可靠,所以更有潜力用作计量器具和检验工具。更多还原

【Abstract】 A novel layered target is designed to evaluating the axial resolution of very -high -frequency B -type ultrasonoscope. Compared with the conventional target made of tungsten wire, the target proves to be accurate, reliable and easy to make and to use, and thus it is a potential gauge or a test tool.更多还原