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SSS 2008-12-03

时间:2010-05-15 07:13来源:互联网 提供网友:木渐浅。   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ?

 

[Radio sound:] “Northeast 480 you are cleared for landing, Northeast 480 you are cleared for landing.”

That same radar1 technology that guides aircraft and tracks hurricanes could in the future keep track of a baby’s breathing. Engineers from the University of Florida have built a prototype radar baby monitor. The crib-mounted monitor detects movement of the infant’s chest using Doppler radar. If breathing stops, movement stops and the monitor sounds an alarm. Such a system should be superior to those that just send sound or video to the parents. The research will appear in the February issue of IEEE Microwave Magazine. IEEE is the Institute of Electrical and Electronics Engineers.

The radar monitor that the researchers created is about the size of small book. The receiver indicates the baby’s breathing, as well as the state of the wireless2 connection with the monitor and the battery status. Future versions could also detect heartbeat through a higher frequency signal.

[Radio sound:] “Mrs. Watson on Maple3 Drive, your baby is breathing normally, the baby is breathing normally.”

 

Thanks for the minute for Scientific American's 60-Second Science. I'm Steve Mirsky .

 


点击收听单词发音收听单词发音  

1 radar kTUxx     
n.雷达,无线电探测器
参考例句:
  • They are following the flight of an aircraft by radar.他们正在用雷达追踪一架飞机的飞行。
  • Enemy ships were detected on the radar.敌舰的影像已显现在雷达上。
2 wireless Rfwww     
adj.无线的;n.无线电
参考例句:
  • There are a lot of wireless links in a radio.收音机里有许多无线电线路。
  • Wireless messages tell us that the ship was sinking.无线电报告知我们那艘船正在下沉。
3 maple BBpxj     
n.槭树,枫树,槭木
参考例句:
  • Maple sugar is made from the sap of maple trees.枫糖是由枫树的树液制成的。
  • The maple leaves are tinge with autumn red.枫叶染上了秋天的红色。
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TAG标签:   SSS  aircraft  SSS  aircraft
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