Sentences with phrase «gigahertz frequency»

Microwave radiometers are a passive measurement technique; that is, they monitor Earth's own heat energy emissions in the 1 - to 200 - gigahertz frequency range.

Already now, the optoelectronic components developed by the researchers can be used to produce light signals in the gigahertz frequency range from electric signals.

Scientists in this field are now able to image and control a single spin at gigahertz frequencies with high fidelity.

Not exact matches

At radio frequencies greater than 10 gigahertz the radio emission matched that of the microwave background, but at lower frequencies it was several times stronger.

Today the picture of the radio spectrum is a color - coded colossus composed of hundreds of bands allotted by the FCC from frequencies as low as 6 kilohertz to as high as 300 gigahertz.

At 2.45 gigahertz, your microwave oven operates at almost the same frequency as your computer's Wi - Fi connection.

Most SETI projects tune in to the 1.42 to 1.72 - gigahertz range, reasoning that alien astronomers might expect earthly scientists to be looking there anyway as this is the frequency of radiation emitted by interstellar hydrogen and hydroxyl clouds.

Aliens wishing to communicate would probably broadcast at frequencies between 1 and 10 gigahertz, where there's less astronomical background noise than in other wavebands.

Wi - Gig requires higher radio wave frequencies, though: 60 gigahertz rather than the 2.4 GHz used by Wi - Fi.

In the high frequency regime, take one gigahertz as an example, the thickness of the absorber would be around 7.5 centimeters, which is too thick and heavy to be used in aircrafts or warships.

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,» below).

«Raindrops are about as large as the wavelength of microwave radiation of radio links operated at a frequency of 15 or 40 gigahertz.

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

«At frequencies below two gigahertz, conventional microwaves absorbers are limited in application by their thickness and narrow absorption bandwidth.

Apple is calling for two blocks of frequencies to be freed up, from 5.15 to 5.3 gigahertz and from 5.725 to 5.875 gigahertz.

At room temperature, it detects signals in the frequency range 330 to 500 gigahertz.

The Astra 1D satellite broadcasts in a lower frequency range — 10.7 to 10.95 gigahertz — than the previous three Astra satellites.

Also, Planck's interpretation of the BICEP2 observation relies on extrapolating from observations of the sky at 353 gigahertz down to BICEP2's frequency of 150 gigahertz.

Astra's first three satellites — 1A, 1B and 1C — transmit in the frequency band 10.95 to 11.70 gigahertz.

The term refers to the electromagnetic waves whose frequencies range from 100 gigahertz to 10 terahertz.

All down to dust In the joint analysis, the researchers overlaid data recorded by the BICEP2 telescope at a frequency of 150 gigahertz (GHz) with data recorded from the same patch of sky by Planck at 353 GHz, a frequency at which almost all the polarized light comes from dust.

Three perytons in January coincided with independently detected blasts of 2.4 gigahertz radio waves — the same frequency

Xinyu Zhang shown with the WiMi antenna that established the first wireless testbed in America to successfully transmit data at a frequency of 60 gigahertz.

Information travels as waves, defined by their frequencies and wavelengths, and right now everything operates below frequencies of 5 gigahertz.

The new survey will pick targets from a list of about 70,000 red dwarfs compiled by Andrew West at Boston University, and will listen to the stars in radio frequency bands between 1 and 10 gigahertz.

A unique feature of the system is that it operates at the very high frequency of 10 gigahertz.

So the team added another capacitor to their design, and made it vibrate using sound waves at a frequency of 1 gigahertz.

The DMR measures temperature differences between regions of the sky 60 degree apart at three frequencies: 31.5, 53 and 90 gigahertz (wavelengths of 9.5, 5.7 and 3.3 millimetres).

Most current SAW devices top out at a frequency of about 3 gigahertz, Zhang said, but in principle it is possible to make devices that are 10 times faster.

With wavelength sizes between a millimeter and a meter, microwave radio frequencies are electromagnetic waves that use frequencies in the.3 gigahertz to 300 gigahertz range.

One has a circular membrane, which works for frequencies in the gigahertz range, including those for WiFi.

Currently, the researchers» stretchable integrated circuits can operate at radio frequency levels up to 40 gigahertz.

«It's the same frequency that the military uses — 26 gigahertz,» Formaggio says.

A clockwork based on a mode - locked femtosecond laser provides output pulses at a 1 - gigahertz rate that are phase - coherently locked to the optical frequency.

The development is timely: while the latest wireless communications use electromagnetic waves with a frequency of over 100 gigahertz, the best wave absorbers commercially available are effective only up to around half that.

The frequency used in the experiment is 4.8 gigahertz, close to the microwave frequencies common in modern wireless networks.

Brown and Parker then fabricated a flat antenna in the shape of a bow tie on the surface of the crystal and fed a microwave signal into it at a frequency of 13.2 gigahertz.

Gajjar said that they want to observe at higher frequencies — up to 12 gigahertz, versus the present Green Bank observations in the 4 - 8 GHz range — to see if the energy drops off at higher frequencies.

As we will now see, a cesium clock's ability to measure frequencies up to about nine gigahertz is all that you need to use an optical comb to determine the frequency of a laser line.

• In a caesium atomic clock, 9 billion cycles per second (9 gigahertz) is the frequency of radiation emitted when...

One difference will be that 5G may move wireless signals to a higher frequency band, operating at millimeter - length wavelengths between 30 and 300 gigahertz (GHz) on the radio spectrum.

«Optical bits can be written at frequencies of up to a gigahertz.

When it comes to radio waves from beyond Earth, scientists tune to frequencies between 1 and 10 gigahertz.

The atmosphere blocks frequencies higher than about 10 gigahertz.

With higher frequencies swamped by dust emission and lower frequencies by another «foreground» called synchrotron radiation, 150 gigahertz sat at a sweet spot with minimal contamination.

A close - up of a crucial component of an ALMA Warm Cartridge Assembly, a custom power amplifier chip designed by NRAO engineers and fabricated by BAE Systems of Nashua, New Hampshire, using a process that enables such amplifiers to work at frequencies above the normal 100 gigahertz limit of commercially available devices of this type.

Most microwave ovens hit food with microwaves at a frequency of 2.45 gigahertz (GHz)(a wavelength of 12.24 centimeters (4.82 in)-RRB-.

Newly developed short - range radar with a frequency of 24 gigahertz sweeps the first 33 yards in a fan - shaped 80 - degree pattern, working in tandem with a narrower nine - degree beam of longer - range 77 - gigahertz radar.

All these sensors make measurements at critical frequencies at and above 85 gigahertz (GHz); sensors measure microwave emissions at 183 GHz, the signature frequency band emitted by water vapor, making it feasible to detect frozen hydrometeors (snow, ice, and the like) in the atmosphere.

The antenna radiates microwave pulses at a frequency of 13.4 gigahertz across broad regions on Earth's surface.