未来五年内，宽带性能将远远高于100 MB—而且电视、广播和网络之间的传播差距将不再存在。
Within five years there will be broadband well above 100mb in performance - and distribution distinctions between TV, radio and the web will go away.
教育工作者和研究者对开拓新的宽带能力、改进创建和传播内容的技术以及更充足的交互性的机会津津乐道。
Educators and researchers relish the chance to exploit new broadband capabilities, improved technologies for creating and distributing content, and greater interactivity.
超宽带信号经多径信道传播会产生严重的时间弥散。
In multipath environments, ultra-wide band signals suffer from severe time dispretion.
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