Microwaves 18 Microwave circuits 11 Microwave electronics; Electronics engineering; Applied physics 11 Microwave spectroscopy 8 Engineering 7 Microwave devices 7 Dissertations, Academic (Ph.D) 5 Dr.M.T.Sebastian 5 Microwave 5 Microwave engineering 5 Molecular spectroscopy 5 Physics 5 Wireless communication systems 5 Microwave remote sensing 4 Radio circuits 4 Spectroscopy 4 Communication Engineering 3 Electronics 3 Green chemistry 3 Microwave heating 3 Optical communications 3 Remote sensing 3 TECHNOLOGY & ENGINEERING / Remote Sensing & Geographic Information Systems 3 Thesis (Ph.D)-Physics 3 Agricultural engineering 2 Antennas, Reflector 2 Boundary value problems 2 Computer networks 2 Cosmology 2 Diagnosis, Computer-Assisted 2