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How scientists turned a flag into a loudspeaker
scientists turned a flag loudspeaker
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2017/7/20
A paper-thin, flexible device created at Michigan State University not only can generate energy from human motion, it can act as a loudspeaker and microphone as well, nanotechnology researchers report...
Researchers develop radar simulator to characterize scattering of debris in tornadoes
Researchers radar simulator scattering debris tornadoes
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2017/7/19
Researchers have developed the first numerical polarimetric radar simulator to study and characterize the scattering of debris particles in tornadoes. (See video)
The results of their study are publi...
OU Researchers Develop Radar Simulator to Characterize Scattering Mechanisms of Debris Particles in Tornadoes
OU Researchers Radar Simulator Characterize Scattering Mechanisms Debris Particles Tornadoes
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2017/7/19
A University of Oklahoma research team with the Advanced Radar Research Center has developed the first numerical polarimetric radar simulator to study and characterize scattering mechanisms of debris ...
日本将全息图显示运算速度提高2万倍
全息图显示运算 波面记录法
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2017/3/21
日本千叶大学的研究小组通过改进算法,大幅减少运算量,开发出世界最快的全息图显示技术,再现一张三维立体图像比一般方法快2万倍,从而使全息技术放映立体动画的技术进一步接近实用化。
NSF awards $6.1 million to accelerate advanced wireless research,push beyond 5G
NSF awards $6.1 million accelerate advanced wireless research beyond 5G
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2017/3/14
Today, the National Science Foundation (NSF) announced a $6.1 million, five-year award to accelerate fundamental research on wireless communication and networking technologies through the foundation's...
美国国家电信与信息管理局(NTIA)与国家科学基金会(NSF)近日联合发布《国家宽带研究议程》报告,指出美国未来宽带发展的关键领域。该报告关注宽带技术、宽带部署、宽带使用及扩散、宽带经济社会影响四大领域,为未来的技术研发与数据收集提供了顶层框架,并为协调各联邦政府部门的行动提出了建议。在宽带技术领域,该报告重点关注了四方面的技术:新兴宽带基础设施与系统、宽带设施韧性与公共安全、下一代体系结构、安全...
Infrared links could simplify data center communications
Infrared links simplify data center communications
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2017/2/16
Data centers are the central point of many, if not most, information systems today, but the masses of wires interconnecting the servers and piled high on racks begins to resemble last year's tangled C...
西班牙加大空间科研的注资
航天 微重力
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2017/2/15
在近期瑞士卢塞恩召开的欧洲航天局(ESA)部长理事会上,西班牙经济、工业与竞争力部部长宣布,2017-2024年间,西班牙对ESA的资金贡献总额将达15.123亿欧元,较2014年增加6亿多欧元,将资助西班牙对ESA活动及航天工业感兴趣的可选计划的参与。
美国利用输电线路开发低成本无线通信技术
美国 输电线路 低成本 无线通信技术
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2016/11/14
美国AT&T公司近日宣布实施AirGig计划,旨在利用既有的输电线路传输高速无线通信数据,无需架设新的通信基础设施,从而大大降低无线通信普及成本,可用于4G及未来的5G无线通信,对于无线通信低覆盖地区和其它发展中国家具有重要意义。这一计划预计将于2017年进行实地测试。
NSF invests $12 million in quantum technologies for secure communication
NSF $12 million quantum technologies secure communication
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2016/8/11
To advance the technology necessary for secure communication, the National Science Foundation (NSF) has awarded $12 million to develop systems that use photons in pre-determined quantum states as a wa...
DNA可作超高效纳米机器引擎 能检测病毒细菌乃至金属
DNA纳米机器 DNA材料
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2016/7/15
据最新一期《自然—通信》杂志报道,加拿大研究人员开创了一种利用DNA(脱氧核糖核酸)作为微观机器引擎的新方法,可用来检测病毒、细菌、可卡因乃至金属等物质。加拿大生物分析化学和生物接口领域研究主席、麦克马斯特大学生物接口研究所所长约翰·布伦南表示,这一全新平台可适应多种用途,DNA纳米结构具有很强的适应性,因此可检测各种目标物。
NSF leads federal effort to boost advanced wireless research
NSF federal boost advanced wireless research
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2016/8/1
Today, the National Science Foundation (NSF) announced that it will invest more than $400 million over the next seven years to support fundamental wireless research and to develop platforms for advanc...
Statement from France Cordova in support of the National Privacy Research Strategy
France Cordova National Privacy Research Strategy
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2016/7/15
"The National Science Foundation (NSF) has long supported fundamental research on approaches that enhance privacy in the digital era," said France Córdova, NSF director. "The National Privacy Research...
无线网络向飞机传信息技术测试成功
无线网络 飞机传信息技术
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2016/5/5
据美国国家航空航天局(NASA)官网消息,NASA格伦研究中心(以下简称“格伦”)的工程师首次通过地面无线通信系统,将路线选择和天气信息等航空数据传送给飞机。测试结果表明,这两项技术或可改变全球机场的运作模式。测试从2016年2月11日开始,参与方还包括美国联邦航空管理局(FAA)与日本日立公司。研究人员使用“飞机接入广域信息管理系统(AAtS)”,通过航空移动机场通信系统(AeroMACS),成...
Model Makes Designing New Antennas Orders of Magnitude Faster
Designing Antennas Orders Magnitude Faster
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2016/4/25
We propose a method for modeling planar multiport antennas of arbitrary shape using characteristic mode theory (CMT) without physically including the feeds. The characteristic modes of the feed-free s...