halid Al-Dulaimi, Waleed K. “Detection Performance of Time-Frequency Coded Signal”. Journal of Engineering and Sustainable Development 10, no. 1 (March 1, 2006): 151–158. Accessed May 8, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1767.