IN spectroscopic literature there are many casual references to a continuous background in the vacuum tube spectra of various gases, such as oxygen, chlorine, etc. Usually these observations appear to ...

Torben Larsen received his M.Sc. degree in electrical engineering from Aalborg University, Denmark, in 1988. In 1995 he founded the RF Integrated Systems and Circuits group, which today counts more ...

For institutions, organizations and individuals operating applications using RF, it can be very important to know who and what is making use of the spectrum. The proliferation of digital technology ...