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智能超表面(RIS),让信号无处不在!
随着移动通信技术的飞速发展,无线频谱资源的稀缺性日益凸显。为了满足日益增长的数据传输需求,通信系统的工作频段不断向更高频段迈进。但高频电波具有波动性弱、绕射能力差的特点,在遇到障碍物时容易受到遮挡,导致信号质量下降。 为了实现连续 ...
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今日热点
Fed holds rates steady
Resumes ground operations
Trans troops ban blocked
Smugglers found guilty
Issues dengue fever warning
Sues Trump administration
Exits Vancouver Auto Show
In-person identity checks
Louisiana executes inmate
Mexico City bullfighting ban
Lead investigator fired
Ex-studio engineer charged
Lifts segregation ban
Trump fires 2 Democrats
Case transferred to NJ
US visa records unsealed
Teachers union sues
Suit over firings, takeover
1979 cold case solved
Return to Earth
Florida Keys brush fire
Amazon sues safety agency
ICE detains activist
Zoox recall
MetroCard sales to end
To cut civilian jobs
UN climate report
Judge on USAID shutdown
Hollywood director charged
Woman charged w/ murder
Winter weather warnings
To serve as finance chair
Hit with EU antitrust actions
Cat food products recalled
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