Sentences with phrase «use radio frequency signals»

The Israeli company's sensors use radio frequency signals to create 3 - D scans.

Not exact matches

Instead of such circuits, an SDR uses digital - signal - processing chips to allow a programmer to define the wave shape of a radio signal, the frequency it uses and the power level.

The new system, dubbed radiogenetics, uses a signal, in this case low - frequency radio waves or a magnetic field, to heat or move ferritin particles.

I borrowed one that could detect signals from 100 kilohertz (kHz), just below the frequency of long - wave radio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beradio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beRadio Ways,» below).

Current Wi - Fi uses radio signals with a frequency of 2.5 or 5 gigahertz.

«The signals are not only weak, but they appear at radio frequencies that are used by communication devices and radars, which generate signals billions of times stronger than the cosmic ones that we are trying to detect.»

Because the sensor uses the ambient radio - frequency signals that are already around us, it doesn't need a power supply.

They vibrate at the frequency of an FM radio signal, so they could be used for miniaturized communications systems.

By precisely measuring the orbital movements of MESSENGER using the subtle Doppler frequency shifts of its radio signal, geodesist David Smith of the Massachusetts Institute of Technology in Cambridge and 16 colleagues measured how the pull of gravity varies across Mercury, as the team reports online today in Science.

«In addition, they can be used by adversaries to jam our radio frequency signals and to support their information operations.

The «smart» poster or T - shirt uses a low - power reflector to manipulate the signal in a way that encodes the desired audio or data on top of the FM broadcast to send a «message» to the smartphone receiver on an unoccupied frequency in the FM radio band.

Wouldn't it be nice if sensor networks using radio frequency (RF) signals for monitoring air quality, the structural integrity of bridges and roads, and traffic or weather conditions — creating the so - called «Internet of things» — could simply draw their power out of thin air?

With a VCO, explains Hone, it is easy to generate a frequency - modulated (FM) signal, exactly what is used for FM radio broadcasting.

They used low - frequency musical signals (both pure tones and songs from an iPhone) to modulate the 100 MHz carrier signal from the graphene, and then retrieved the musical signals again using an ordinary FM radio receiver.

Analog RF Signal Applications: Using the GHz precision signal processing of photonic integrated circuits, radiofrequency (RF) signals can be manipulated with high fidelity to add or drop multiple channels of radio, spread across an ultra-broadband frequency Signal Applications: Using the GHz precision signal processing of photonic integrated circuits, radiofrequency (RF) signals can be manipulated with high fidelity to add or drop multiple channels of radio, spread across an ultra-broadband frequency signal processing of photonic integrated circuits, radiofrequency (RF) signals can be manipulated with high fidelity to add or drop multiple channels of radio, spread across an ultra-broadband frequency range.

Normally, very low frequency (VLF) signals from radio telescopes are transmitted from the ground and are used to communicate with submarines, deep below the surface of the ocean.

Because they use radio - frequency signals to relay the stored information, they are referred to as radio - frequency identification (RFID).

Amongst those includes a 4 - bit digital - to - analog converter — a unit generally used in turning digital signals into sound for speakers and headphones; and radio - frequency identification (RFID) tags, normally used for tracking merchandise.

Its dominion is information in transit, with authority over things like what frequencies radio stations or Wi - Fi routers should use, or standards for transmitting digital TV signals.

Its devices communicate with one another using Insteon's proprietary dual - mesh signal, which combines a wireless radio frequency with your home's existing electrical wiring.

Named the MoVR system, it uses high - frequency radio signals called millimeter waves, pushing out data to the VR headset at speeds in the Gbps range.

Originally, many analysts and Apple watchers were expecting Apple to use a special wireless charging technology that would use 5 GHz radio frequency signals, coupled with beam - forming, to delivery completely wireless charging, without the need for special pads.

Tested integrated system operations using a threat simulator; assessed radio frequency (RF) jamming signals using various RF analysis tools.