Sentences with phrase «of microwave frequencies»

Like Ku - band service, Ka - band is also named after a range of microwave frequencies and uses satellite rather than air - to - ground technology.

Not exact matches

• TTM Technologies agreed to acquire Anaren, a Syracuse, NY.. - based maker of high - frequency RF and microwave microelectronics, from Veritas Capital for about $ 775 million.

See W. R. Adey, «Neurophysiologic effects of radio frequency and microwave radiation,» Bulletin of the New York Academy of Medicine 55 (1981), 1079 - 93.

I was notified that Beatles records had Satanic chants encoded on them backwards, that Soviet satellites were broadcasting atheist messages on microwave frequencies that corresponded to those of the human brain, and that the Pope was probably the anti-Christ referenced in Revelation.

This approach applies microwave at a frequency of 2450 MHz to heat products to sterilisation temperatures, resulting in a shorter heating time compared to conventional food processing techniques.

One final word of caution: the consequences of early exposure to microwave frequencies are still being studied and have not been determined yet, which might be a point worth exploring before fitting your baby or child with any device that transmits data wirelessly.

The NCA letter dated February 4, 2016, observed with concern and displeasure the continuous failure on the part of Glo Mobile Ghana to meet its financial obligations to the Authority with respect to invoices on «Surrender Portion for international incoming Traffic «as per the Electronic Communications (Amendment) Act, 2009, Act 786, international Gateway Renewal License, Regulatory Fees, Annual Fee for usage of Microwave Link frequencies and penalties for QoS infractions indebtedness to the NCA.

A letter fired by the NCA to Glo management, and signed by its Acting Director — General, Mr. William Tervie, and intercepted by The Herald revealed that, Glo owes Microwave Link frequencies an outstanding balance of Ghc 4,955,123.64; made from 2013 to 2015, a net of Ghc 750,000, brings the outstanding balance as at December 2015 to Ghc 4,205,123.64.

Rather than dangerous X-rays, however, the chip beams out waves in the harmless terahertz frequency, a little - used portion of the electromagnetic spectrum between microwaves and far - infrared.

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.

The second is currently defined by caesium atomic clocks, but optical clocks promise higher precision because their atoms oscillate at the frequencies of light rather than in the microwave band, so they can slice time into smaller intervals.

Conventional atomic clocks work by tuning microwaves until they are exactly the right frequency to flip the spins in a beam of cesium atoms.

To measure the microwaves, Juno will loop around the planet many times and record the intensity of multiple frequency bands.

Atomic clocks now routinely tick off nanoseconds (one billionths of a second) by tuning microwave lasers to match one frequency of light emitted by a cesium atom.

Cell phone radiation falls into the same band of nonionizing radio frequency as microwaves used to heat or cook food.

The higher frequencies mean that optical clocks «tick» faster than microwave atomic clocks and could thus provide time - stamps that are 100 to 1,000 times more accurate, greatly improving the precision of GPS.

To solve this problem, a team of researchers from Huazhong University of Science and Technology in China has developed an ultra-thin, tunable broadband microwave absorber for ultra-high frequency applications.

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

«The total thickness of 7.8 millimeters is around one twenty - ninth wavelength of the central frequency of incident microwaves, and the ultra-thin absorber with broad bandwidth may be widely used in warship stealth, airplane cloaking and tunable, broadband antennae.»

«Ultra-thin, tunable, broadband microwave absorber may advance radar cloaking: Scientists have developed an ultra-thin, tunable microwave absorber that can operate over a broad range of frequencies, demonstrating its potential in improving aircraft cloaking, warship stealth and broadband antenna.»

To develop a novel absorber that is both thin and with broadband performance, Jiang's team employed a type of thin, light periodic structure called a frequency - selective surface, which consists of an assembly of patterned conductors arranged in a two - dimensional array, usually backed by a thin dielectric, to reflect incident microwaves according to their frequency.

Frequency combs are an important component of optical clocks because they act like gears, dividing the faster oscillations of optical clocks into lower frequencies to be counted and linked to a microwave - based reference atomic clock.

Padilla hopes to use engineered materials to investigate what he calls «the last unexplored region of the electromagnetic spectrum» — the T - ray, or terahertz, region — positioned between the infrared and microwave bands, at a frequency of a trillion cycles a second.

Acoustic waves rippling at microwave frequencies have wavelengths similar to those of optical photons.

But most microwave cavities can only host photons of a single frequency.

The vibrations also have wavelengths less than a thousandth as long as microwaves of the same frequency, so the resonators can be far more compact, he says.

While this specific frequency range sits between infrared waves and microwaves, the approach should be applicable for almost any frequency of the electromagnetic spectrum.

The device, which works at microwave frequencies, may soon be extended to trap visible light, leading to an entirely new way of harvesting solar energy to generate electricity.

Because the mode frequencies of skyrmions are in the microwave range, the quasi-particles could be used for new microwave nano - oscillators, which are important building blocks for microwave integrated circuits.

The radius was then calculated using the specific frequencies at which the wavelength of microwaves exactly fit into the resonator and was measured with an overall uncertainty of 11.7 nm, which is the thickness of about 600 atoms.

In mobile communications, the wide microwave radio frequencies of 5G networks will accommodate a growing number of cellphone users and notable increases in data speeds and coverage areas.

And Yoon and Ham applied an electric field at a microwave frequency, which allows for the direct measurement of the electrons» collective acceleration in the form of a phase delay in the current.

Researchers from North Carolina State University have found a way to reduce the coercivity of nickel ferrite (NFO) thin films by as much as 80 percent by patterning the surface of the material, opening the door to more energy efficient high - frequency electronics, such as sensors, microwave devices and antennas.

That cloak worked only for light of a specific microwave frequency.

We report the generation and observation of coherent temporal oscillations between the macroscopic quantum states of a Josephson tunnel junction by applying microwaves with frequencies close to the level separation.

This realization of a Veselago flat lens operating in the UV is the first such demonstration of a flat lens at any frequency beyond the microwave.

The challenge has centered on the impossibility of manipulating light with the techniques that work so well for electromagnetic waves of much lower frequencies, such as microwaves.

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.

To measure this frequency, fountain clocks toss small clouds of slow - moving cesium atoms a few feet high, much like a pulsed fountain, and measure their oscillations as they pass up, and then down, through a microwave beam.

The accuracy and the stability of optical clocks are mainly based on the fact that the frequency of the optical radiation used is higher (by several orders of magnitude) than that of the microwave radiation which is used in cesium atomic clocks, which makes optical clocks much more precise than cesium clocks.

In Japan, continuous four - frequency solar microwave observations (1, 2, 3.75 and 9.4 GHz) began in 1957 at the Toyokawa Branch of the Research Institute of Atmospherics, Nagoya University.

Another great strength of their process, Aydin said, was that it was imminently scalable from the microwave to the visible frequency range because of the flexibility of 3D printing.

Also, monitoring multiple frequencies of microwaves makes it possible to calculate the relative strength at each frequency (this is called the spectrum).

This resulted not only in the first precise determination of the antihydrogen hyperfine splitting, but also the first antimatter transition line shape, a plot of the spin flip probability versus the microwave frequency.

This past July, for example, He and colleagues described in Applied Physics Letters a metamaterial coating that works as a perfect absorber of microwaves of a particular frequency.

«At microwaves and other low - frequency waves, absorbent materials can lower the scattering of electromagnetic waves for aircraft and other military targets, so as to achieve antiradar stealth,» it reads.

But then I had to go through this research because your cellphone might be operating on a very different frequency of radiation than your microwave.

That's one of the best things about this process: I get to learn all these random facts — like WiFi and microwave ovens use the same frequency of radiation.

Infrared frequencies lie between those of microwaves and visible wavelengths (what we perceive as light) on the spectrum.

Group 1: Materials, Resonators, & Resonator Circuits A. Fundamental Properties of Materials B. Micro - and Macro-Fabrication Technology for Resonators and Filters C. Theory, Design, and Performance of Resonators and Filters, including BAW, FBAR, MEMS, NEMS, SAW, and others D. Reconfigurable Frequency Control Circuits, e.g., Arrays, Channelizers Group 2: Oscillators, Synthesizers, Noise, & Circuit Techniques A. Oscillators — BAW, MEMS, and SAW B. Oscillators - Microwave to Optical C. Heterogeneously Integrated Miniature Oscillators, e.g., Single - Chip D. Synthesizers, Multi-Resonator Oscillators, and Other Circuitry E. Noise Phenomena and Aging F. Measurements and Specifications G. Timing Error in Digital Systems and Applications Group 3: Microwave Frequency Standards A. Microwave Atomic Frequency Standards B. Atomic Clocks for Space Applications C. Miniature and Chip Scale Atomic Clocks and other instrumentation D. Fundamental Physics, Fundamental Constants, & Other Applications Group 4: Sensors & Transducers A. Resonant Chemical Sensors B. Resonant Physical Sensors C. Vibratory and Atomic Gyroscopes & Magnetometers D. BAW, SAW, FBAR, and MEMS Sensors E. Transducers F. Sensor Instrumentation Group 5: Timekeeping, Time and Frequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Control Circuits, e.g., Arrays, Channelizers Group 2: Oscillators, Synthesizers, Noise, & Circuit Techniques A. Oscillators — BAW, MEMS, and SAW B. Oscillators - Microwave to Optical C. Heterogeneously Integrated Miniature Oscillators, e.g., Single - Chip D. Synthesizers, Multi-Resonator Oscillators, and Other Circuitry E. Noise Phenomena and Aging F. Measurements and Specifications G. Timing Error in Digital Systems and Applications Group 3: Microwave Frequency Standards A. Microwave Atomic Frequency Standards B. Atomic Clocks for Space Applications C. Miniature and Chip Scale Atomic Clocks and other instrumentation D. Fundamental Physics, Fundamental Constants, & Other Applications Group 4: Sensors & Transducers A. Resonant Chemical Sensors B. Resonant Physical Sensors C. Vibratory and Atomic Gyroscopes & Magnetometers D. BAW, SAW, FBAR, and MEMS Sensors E. Transducers F. Sensor Instrumentation Group 5: Timekeeping, Time and Frequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Standards A. Microwave Atomic Frequency Standards B. Atomic Clocks for Space Applications C. Miniature and Chip Scale Atomic Clocks and other instrumentation D. Fundamental Physics, Fundamental Constants, & Other Applications Group 4: Sensors & Transducers A. Resonant Chemical Sensors B. Resonant Physical Sensors C. Vibratory and Atomic Gyroscopes & Magnetometers D. BAW, SAW, FBAR, and MEMS Sensors E. Transducers F. Sensor Instrumentation Group 5: Timekeeping, Time and Frequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Standards B. Atomic Clocks for Space Applications C. Miniature and Chip Scale Atomic Clocks and other instrumentation D. Fundamental Physics, Fundamental Constants, & Other Applications Group 4: Sensors & Transducers A. Resonant Chemical Sensors B. Resonant Physical Sensors C. Vibratory and Atomic Gyroscopes & Magnetometers D. BAW, SAW, FBAR, and MEMS Sensors E. Transducers F. Sensor Instrumentation Group 5: Timekeeping, Time and Frequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other Appfrequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other Appfrequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other AppFrequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other Applications