These unique compact, flat - panel speakers provide exceptional clarity across the audible spectrum and
a very wide frequency range.
Not exact matches
This makes it possible to oscillate the grating at a
frequency of up to one kilohertz and to thereby tune the wavelength of the laser source up to a thousand times per second over a
very wide spectral
range.
Graphene NEMS can address both problems: they are
very compact and easily integrated with other types of electronics, and their
frequency can be tuned over a
wide range because of graphene's tremendous mechanical strength.
«Our proposed devices can retain the terahertz
frequency like other terahertz sources but with a much shorter wavelength for an improved spatial resolution in imaging application as well as a
very wide frequency tuning
range from a microwave to a terahertz wave,» said Iurov.
Its 30 - foot - long antenna and sophisticated radio receiver samples a
wide range of radio
frequencies at a
very high rate.