, Sujatha Kumaran, Akash Kumaran. “Analysis of Ultrasonic Signals Based on Wavelet Cross Spectrum”. International Journal on Future Revolution in Computer Science & Communication Engineering 3, no. 11 (November 30, 2017): 279–283. Accessed April 30, 2024. http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/302.