K-C JuH-L LiuHAO-LI LIUK-C JuH-L Liu劉浩澧2020-10-072020-10-072010https://scholars.lib.ntu.edu.tw/handle/123456789/516633Zero-crossing-tracking technique for noninvasively ultrasonic temperature estimationjournal article10.7863/jum.2010.29.11.1607