单词 | frequency band |
例句 | Researchers developed prototype technology to filter out interference from other radio signals while sweeping underutilized spectrum frequency bands for high-traffic periods. Novel device promotes efficient, real-time and secure wireless access 2023-10-27T04:00:00Z A company called Redemption Shield vowed its products would protect users from 5G cellular frequency bands. At far-right roadshow, Trump is God's 'anointed one,' QAnon is king, and 'everything you believe is right' 2023-10-12T04:00:00Z The researchers found a coordinated change in a few frequency bands that could distinguish a sick brain from a brain that was well with 90 percent accuracy. A Newly Discovered Brain Signal Marks Recovery from Depression 2023-09-20T04:00:00Z The frequency band used by Starlink is adjacent to a band reserved for radio astronomy and any spillover could impact observations. Astronomers stumble in diplomatic push to protect the night sky 2023-02-27T05:00:00Z And the European Union has given member states until June 2023 to set aside 5G frequency bands for planes, paving the way for cellphone connectivity on flights overseas. Is the age of unplugging on planes over? 2023-01-27T05:00:00Z A previous version of this article incorrectly stated that 5G in Europe operates at a frequency band of 5 GHz and above. 5G in Europe typically operates at frequency bands 3.8 GHz and below. Europe will soon allow phone calls on flights. Will the U.S. be next? 2022-12-06T05:00:00Z “Member States shall make the 5G frequency bands available for use aboard road vehicles as early as possible and at the latest by 30 June 2023,” the EC said. European passengers soon can fully use phones on flights 2022-12-07T05:00:00Z China also is believed to be developing jammers to target military satellites communications in a range of frequency bands, including military-protected extremely high-frequency communications, the report said. China military’s warfare in future conflicts will aspire to ‘information dominance,’ Pentagon warns 2022-11-30T05:00:00Z High-end hearing aids can be adjusted to provide more amplification in the specific frequency bands where you need it and less in the ones you don’t. How to get hearing aids without a prescription 2022-08-26T04:00:00Z In order to prevent interference between all these electromagnetic signals, strict regulations are drawn up for different organizations to utilize different radio frequency bands. College Physics for AP Courses 2015-08-12T00:00:00Z In astronomy, however, it is more common to use sophisticated data-processing techniques that allow thousands of separate frequency bands to be detected simultaneously. Astronomy 2016-10-13T00:00:00Z The agency issued its first major update since AT&T and Verizon Communications began using new frequency bands for fast 5G mobile phone service in dozens of metropolitan regions around the U.S. FAA clears 62% of U.S. fleet to operate at airports with 5G 2022-01-19T05:00:00Z When a phone gets built, one of the decisions that OEMs make is how many different frequency bands you’re going to put in the phone. What comes after the smartphone, with Qualcomm CEO Cristiano Amon 2022-01-11T05:00:00Z The devices might come with a few presets to emphasize different frequency bands, he said, but otherwise they just make everything louder. How to get hearing aids without a prescription 2022-08-26T04:00:00Z The auction will now enter an assignment phase, which will see the operators jockeying for position within their frequency bands. 5G auction to boost mobile speed and coverage 2021-03-17T04:00:00Z In chimpanzees and various other human ancestors such as Australopithecus africanus and Paranthropus robustus, the inner ear is not designed to resolve the frequency band of language particularly well. Neandertals Probably Perceived Speech Quite Well 2021-03-08T05:00:00Z If rights to frequency bands were simply auctioned region by region, a national telecoms company couldn’t be sure of acquiring the same frequency everywhere. Economics Nobel for auctions rewards work that has modern-age urgency 2020-10-12T04:00:00Z And you say, “This phone is going to go to this market. I’m going to put all the frequency bands that are required by this carrier, maybe some extra for roaming.” What comes after the smartphone, with Qualcomm CEO Cristiano Amon 2022-01-11T05:00:00Z "This is only one of many exciting science goals that depend on sensitive access to this frequency range. The prospect of losing sensitivity in this key frequency band is extremely worrying." Concern over satellite impact on giant telescope 2020-10-07T04:00:00Z To study crocodilian vocalizations, the team placed alligators in an airtight, helium-filled chamber and found that the high-energy frequency bands of their bellows got even higher. Ig Nobel Prizes reward research on helium-huffing alligators and knives made of feces 2020-09-18T04:00:00Z The survey, called Project Ozma, saw no sign of artifice, such as an intense spike squeezed into a narrow frequency band. How big money is powering a massive hunt for alien intelligence 2020-09-10T04:00:00Z And the value to them for one region would depend on whether they could buy the same frequency band elsewhere. Economics Nobel for auctions rewards work that has modern-age urgency 2020-10-12T04:00:00Z One of the things we did with that phone was include every frequency band known to mankind. What comes after the smartphone, with Qualcomm CEO Cristiano Amon 2022-01-11T05:00:00Z "We only emit energy within the frequency band of interest for the job at hand," he explains. Protecting whales from the noise people make in the ocean 2020-02-27T05:00:00Z More than 3,000 delegates, hailing from nearly every country in the world are expected to resolve an ongoing turf war over highly prized radio frequency bands used by meteorologists and coveted by cellphone companies. A summit in Egypt will decide the future of 5G and weather forecasts 2019-10-28T04:00:00Z Lonsdale also argues that there is a possibility that there will be some level of transmission that spills outside the intended frequency bands. Why astronomers are worried that SpaceX’s satellite network will pollute the night sky 2019-05-29T04:00:00Z So the FCC is allocating these frequency bands to be auctioned off for billions of dollars. Why the Grammys sound amazing and sometimes go wrong 2019-02-08T05:00:00Z In March, Google asked the FCC to allow its short-range interactive motion sensing Soli radar to operate in the 57- to 64-GHz frequency band at power levels consistent with European Telecommunications Standards Institute standards. Google wins U.S. approval for radar-based hand motion sensor 2019-01-01T05:00:00Z A Russian subsidiary of OneWeb and Rosmoscos submitted a request for the frequency band last year, but it was rejected by the authorities. Exclusive: U.S. satellite service offers to sell minority stake to... 2018-12-24T05:00:00Z The approved order does not grant US consumer devices access to any other signals, like the Galileo E6, because the frequency bands are not used by the US GPS system to provide timing services. FCC paves the way for improved GPS accuracy 2018-11-15T05:00:00Z OneWeb submitted a request to receive a frequency band in Russia, but was refused by authorities, according to Russian media reports confirmed by a communications official. Exclusive: Russia opposes U.S. OneWeb satellite service, cites... 2018-10-24T04:00:00Z But in its press release, there is no mention of frequency bands or how base stations will be arranged to provide the signal. Who's winning the global race to offer superfast 5G? 2018-09-11T04:00:00Z And because the sensors track seven different frequency bands, they might allow researchers to discern an animal's size and possibly even species. What lives in the ocean’s twilight zone? New technologies might finally tell us 2018-08-23T04:00:00Z Those numbers refer to two different radio frequency bands. Wi-Fi router range: the long and the short of it 2018-06-22T04:00:00Z Stretched to radio frequencies by the expansion of the universe, these photons land in the telescope’s main frequency band. New radio telescope in South Africa will study galaxy formation 2018-06-19T04:00:00Z While this carefully selected set of frequency bands looks like a piece of abstract art, it does show the outline of the desert if you look closely. Bloodhound Diary: Braking with confidence 2018-06-12T04:00:00Z Much of this frequency band is blocked by Earth’s atmosphere but cosmologists expect it to contain information from the dark ages. China launches first part of ambitious mission to Moon’s far side 2018-05-20T04:00:00Z One of these is radio spectrum, which is increasingly saturated in the lower frequency bands usually used by mobile networks. The next generation of wireless technology is ready for take-off 2018-02-08T05:00:00Z So I went back to the Prince guys and I had to do a whole acoustic modeling study where you take each frequency band and what the sound pressure level would be. The secrets behind the audio for the Super Bowl halftime show 2018-02-02T05:00:00Z The team's efforts will begin on Wednesday, with astronomers observing the asteroid, which is currently speeding away from our Solar System, across four different radio frequency bands. Asteroid to be checked for alien tech 2017-12-12T05:00:00Z The concept is used to explain the shape of lines in all facets of spectroscopy, in all research fields and across all frequency bands. Nicolaas Bloembergen (1920-2017) : Nature : Nature Research 2017-10-24T04:00:00Z The signals will be sent over the 900-megahertz frequency band, which the local telecom companies will allow Project Loon to access. Puerto Rico Looks to Alphabet's X Project Loon Balloons to Restore Cell Service 2017-10-13T04:00:00Z This splits the signal into even smaller frequency bands and therefore offers a higher resolution of signal processing. Today’s hearing aids are high-tech devices | Provided By Puget Sound Hearing Aid and Audiology 2017-08-14T04:00:00Z Excessively long license durations risk "preventing innovation if relevant frequency bands are awarded for longer than the life cycle of a technology," the paper said. EU states push back against 25-year wireless spectrum licenses 2017-04-24T04:00:00Z Studies in the 1960s and 1970s identified the one to two GHz frequency band as the most promising hunting ground for alien transmissions. No encounters: most ambitious alien search to date draws a blank 2017-04-20T04:00:00Z But telephone company officials said they must work with the world’s lowest spectrum bandwidth, or the radio frequency bands used to transmit data. India’s mobile phone dreams become nightmare of dropped calls 2015-09-26T04:00:00Z The satellite will have the flexibility to take on new roles at anytime - in coverage, in frequency band, and power use. UK to develop Quantum 'universal' satellite - BBC News 2015-07-09T04:00:00Z For those with tonal tinnitus, one treatment involves listening to “notched music,” generated by digitally removing the frequency band that matches the tinnitus frequency. Music Can Heal the Brain 2015-02-12T05:00:00Z So, connections that run on different frequency bands will be established to cope with demand. How will 5G change the world? 2014-11-30T05:00:00Z "And because the 700MHz frequency band is better able to pass through walls and other objects than higher frequencies it will also be useful in built-up areas," he added. UK to get 'faster, cheaper' 4G data 2014-11-19T05:00:00Z The software chooses the best option between Wi-Fi antennas at port, long-range antennas on shore between ports, and a fleet of advanced satellite systems over multiple frequency bands, according to the company news release. Carnival launches first fast wireless network for cruise ships 2014-11-03T05:00:00Z It will however likely work predominantly in the Ku frequency band. UK to develop Quantum 'universal' satellite - BBC News 2015-07-09T04:00:00Z In open waters, satellites do the job, providing a Wi-Fi connection across multiple frequency bands. Cruise operator rolls out first high-speed internet connection for the open ocean 2014-11-03T05:00:00Z However, as Stephen Crowley, a telecommunications expert who first spotted Google’s filing, explained, as you move into higher frequency bands, more spectrum becomes available. Could Google Fiber Become Google WiFi? Google Seeks To Test Super Fast Wireless Service. 2014-10-16T04:00:00Z The commission freed up 100 megahertz of airwaves in a very high frequency band of the electromagnetic spectrum, known as the 5 gigahertz band, where another unlicensed band of similar size already exists. F.C.C. Votes to Clear More Airwaves for Wireless Data 2014-03-31T18:21:14Z There are plenty of higher frequency bands available for mobile, but lower frequencies are better because their signals pass through walls and other obstructions more easily. Battle looms on digital spectrum 2014-01-20T00:15:41Z By moving with the wind, the balloons form a network of airborne hot spots that can deliver Internet access over a broad area at speeds comparable to 3G using open radio frequency bands, Google said. Google's Project Loon explores balloon-powered Internet access 2013-06-15T21:41:02Z This frequency is close to the lower band of the highest radio frequency band known as extremely high frequency which goes from 30 to 300 GHZ. Samsung's New 5G Breakthrough Points To Long Term Risks For Apple 2013-05-13T16:58:39Z His own team's efforts were focused on transmitting data over an even higher frequency band in the radio spectrum, he added. Samsung claims 5G tech breakthrough 2013-05-13T14:37:24Z LTE requires a much higher number of frequency bands, which increases the number of RF chips in a phone. Radio frequency chip makers tune in to smartphone race 2013-03-15T19:26:33Z Next month a series of pilot projects begin using "white spaces" in the DTT frequency band - frequencies deliberately left empty to ensure high power TV transmitters don't interfere with each other. Battle looms on digital spectrum 2014-01-20T00:15:41Z Meanwhile O2 and Three emerged from the auction with no 2600 spectrum, while EE secured a surprisingly large amount of the higher frequency band. George Osborne humiliated as 4G auction comes up £1.2bn short 2013-02-20T20:15:50Z The company did an acquisition in self-optimized networks for a variety of radio frequency bands. Cisco's Rob Lloyd, Live From The Goldman Tech Conference 2013-02-14T16:17:14Z The 700MHz frequency band, currently used by digital terrestrial television, will be opened up to mobile services by 2018 as part of a global plan to harmonise frequencies for mobile users. Data jam threat to UK networks 2012-11-16T12:36:36Z That silicon is still not capable of supporting the dozen or so frequency bands that use LTE in the world. Why Don't Cell Phones Work At Music Festivals? 2012-07-31T16:50:19Z And because white space is located in a lower frequency band than Wi-Fi, its signals can travel further, giving it broader range than a typical Wi-Fi hotspot. Consumer 'White Spaces' Gadgets, Chipsets In The Works 2012-01-26T17:53:11Z Navy, they tag a whale, expose it to simulated military sonar frequencies and another noise within the same frequency band, and watch the whale's reaction, Goldbogen explained. A Whale's Virtual Reality 2012-01-05T20:57:23Z International phones have to accommodate different protocols and frequency bands for voice and data services, depending upon carrier and location. How U.S. Carriers Fool You Into Thinking Your iPhone 4S Is Unlocked 2011-12-22T14:36:59Z T-Mobile is the only “big four” carrier to use a World Spectrum 3G frequency band, so a partnership would require an expensive network conversion. Sprint Looks to Possible T-Mobile Merger 2011-12-21T17:17:58Z The company remains the only major U.S. carrier that does not offer the iPhone, since the device doesn’t support the carrier’s 1700-MHz frequency band. T-Mobile to Unveil Nokia Windows Phone Next Week 2011-12-09T14:45:48Z The monitors operate within a selected radio frequency band to send sound from a baby's room to a receiver in another room, a technology which can be vulnerable to interference from other electronic devices. Gadgets and services to keep a private eye on your kids 2011-09-09T00:58:04Z The network would be supported by LightSquared's geostationary satellites and some 40,000 ground transmitters operating in a frequency band adjacent to the band used by GPS, a satellite-based navigation system used the world over. Planned 4G Network Draws Fire From House Science Panel 2011-09-09T19:21:35Z The carrier won 20 megahertz of airwaves in the 1.8- gigahertz frequency band, the Korea Communications Commission said in a statement today. SK Telecom to Spend $924 Million for 4G Spectrum in Korea 2011-08-29T04:15:01Z A constant communications path is maintained by each ship in the fleet with MTN via several satellite links that use different frequency bands for coverage and redundancy. On The ms Rotterdam: The Travelgeek Goes Crusing 2011-08-25T16:52:01Z The Dutch government has said that it expects Ziggo to take part in an auction of the 800 megahertz frequency band which may take place next year. Cable IPO Candidate Ziggo Plans Wireless Service to Squeeze KPN 2011-05-31T00:19:00Z It is a bit like radiowaves coding different radio stations at different frequency bands. Researchers 'decode' brainwaves 2011-05-18T01:57:05Z Under the proposals, the radio frequency bands freed up as part of the digital switchover from analogue to digital television broadcasting will be used for new services, such as mobile internet. VIDEO: European Parliament 2011-05-09T17:26:48Z In these images, a white area indicates that the target speaker dominates the audio signal in that frequency band at that time and black areas indicate where sound from the other speakers dominates. Audio Alchemy: Getting Computers to Understand Overlapping Speech 2011-04-12T11:15:00.410Z It carries two instruments that observe the sky across nine frequency bands. Telescope observes cosmic giants 2011-01-11T16:39:43Z I looked at the same two stars over a much wider frequency band with higher sensitivity and more channels, in eight tenths of a second. Contact: The Day After (preview) 2011-01-04T16:15:46.103Z The spectrum, in the lower 700 megahertz frequency band, covers 300 million people in the U.S., the companies said today in a statement. AT&T to Buy Qualcomm’s Spectrum for $1.93 Billion 2010-12-20T15:08:01Z The key thing is multi-band compression, because you will want to treat the different audio frequency bands differently. Compressing music for in-car listening 2010-12-09T14:38:00Z This function indicates which speaker dominates at each frequency band in a frame. Audio Alchemy: Getting Computers to Understand Overlapping Speech 2011-04-12T11:15:00.410Z The group must also sell off a quarter of its spectrum on the 1,800 MHz band, one of three frequency bands currently used by UK mobile providers. Orange and T-Mobile deal approved 2010-03-01T15:40:00Z After breaking a sound into frequency bands instead of being photographed and projected, each band goes to an analyzer of its own, and is projected on its own screen. Naudsonce In the frequency bands 28 Mc/s and 56 Mc/s. The Dawn of Amateur Radio in the U.K. and Greece: a personal view |
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