Rao, P. Sankara. “Performance Analysis of Diffraction Gain (Gd) Due to Presence of Single and Multiple Knife-Edge As Compared to Free Space E- Field and Identifying the Position of Obstacle in a Fresnel Zone”. Novel Perspectives of Engineering Research Vol. 6 (January 24, 2022): 64–74. Accessed June 24, 2026. https://stm.bookpi.org/NPER-V6/article/view/5501.