A plethora of physical-layer techniques aim to enhance the performance of communication systems in several ways.Spectral efficiency and security are on the top
Background and Objective: Concurrent chemoradiotherapy for cervical carcinoma develops rapidly and has become a common and standard therapy in recent years. Bot
The plasma-enhanced chemical vapor deposition (PECVD) technique is well suited for fabricating optical filters with continuously variable refractive index profi
The broadband photochromic effect on undoped and rare-earth-doped lead lanthanum zirconate titanate(PLZT) ceramics was studied under the illumination of ultravi