radiocommunications 957 simulation and modelling 610 wireless communicaation 377 telecommunications 315 electronic circuits 226 history 162 mobile communication 148 more ... radio receivers 148 aerials 125 microwaves 89 history of science and technology 78 signal transmission 77 radio transmitters 77 electronics 65 microwave aerials 65 quality 64 electromagnetic waves in dielectrics 57 military history 55 radiolocation 52 communication networks 46 electromagnetism 45 modulation of signal 41 resonators 41 interference (telecommunication) 40 radio waves propagation 39 electronic filters 35 signals 33 signal processing 33 noise 33 optoelectronics 30 less ...