Not exact matches
«Without full deployment, there is no way we could have communicated with it, as the
radio frequency antenna was under the solar panels,» explained Prof Mark Sims, Beagle's mission manager from Leicester University in a BBC news interview.
Small
radio frequency (RF) coils strategically placed around a patient's head — the twisted copper wires shown in the image at right — act as
antennas, detecting that hum and transmitting it to domino - sized green amplifiers, which read the signal and pass it on to an external computer.
To deliver power to the LEDs, Rogers outfitted the mice with lightweight hats equipped with a
radio frequency antenna.
Existing directional
antennas that transmit high -
frequency radio waves require expensive materials or precise manufacturing.
This «beam - forming» capability makes the
antennas crucial to ultrafast wireless applications, because they can focus a stream of high -
frequency radio waves that would quickly dissipate using normal
antennas.
In addition,
antennas tuned to the right plasma densities can be sensitive to lower
radio frequencies while remaining unresponsive to the higher
frequencies used by most radars.
Defense contractor Lockheed Martin will soon flight - test a plasma
antenna (encased in a tough, nonconducting polymer) that is designed to be immune from detection by radar even as it transmits and receives low -
frequency radio waves.
These electrodes, along with a computer chip that contains a
radio frequency antenna, are fabricated on a flat substrate made of polyethylene terephthalate (PET), a transparent polymer commonly found in plastic bottles.
Radio frequency identification is a marvel of both miniaturization and mass production: a microchip and
antenna small and cheap enough to justify planting on a bag of charcoal.
«We can literally image the
frequency of the electron, and we see this electron suddenly pop into our
radio antenna,» says Joe Formaggio, an associate professor of physics at MIT.
LIG can be written into target materials in patterns and used as a supercapacitor, an electrocatalyst for fuel cells,
radio -
frequency identification (RFID)
antennas and biological sensors, among other potential applications.
A special amplifier inside boosts only the electric field signal picked up by the
antenna, Dotcast says, while ignoring other
radio -
frequency waves.
Its 30 - foot - long
antenna and sophisticated
radio receiver samples a wide range of
radio frequencies at a very high rate.
In a recent calibration campaign at the Pierre Auger Observatory, the directional and
frequency characteristics of the
radio stations equipped with logarithmic periodic dipole
antennas (LPDAs) have been determined using a remotely piloted octocopter.
Vintage clocks are used to play with time, and
radios connect sound and
frequency to the unseen energy of «
radio waves» while «space age» TV
antennas both send and receive messages.
To save space, the
radio frequency chip, which is located inside the
antenna switching module, will include a pair of chips in a single package instead of having two chips built into one printed circuit board.
ETNews claims that Apple is planning to utilize a new fan - out packaging technology for iPhone 7's
radio frequency chip and
antenna switching module.
Harder than basic audio circuits because you need to know about
antennas and
radio operates at higher
frequencies.
The device comes with three
antennas to make sure you're always using the best
radio frequency based on the Wi - Fi connection.
Years of experience designing projects such as power supplies,
frequency oscillators,
radio frequency (rf) portions of a wireless telephone including the printed circuit board (PCB),
frequency synthesizers, and a helical
antenna.