Ying-Wen Bai, Chen-Chien Cheng, Zi-Li Xie. Use of a time-variation ultrasonic signal and PIR sensors to enhance the sensing reliability of an embedded surveillance system. In 26th IEEE Canadian Conference on Electrical and Computer Engineering CCECE 2013, Regina, SK, Canada, May 5-8, 2013. pages 1-6, IEEE, 2013. [doi]
Abstract is missing.