The researchers do not measure the strength of mobile-phone signals themselves.
研究者并没有测量移动手机信号本身的强度。
Instead, they piggyback on something that mobile networks already do, and measure thestrength of the microwave links that base stations use to talk to each other.
相反,他们增加了移动网络已有的某些物质,然后测量用于双方通话基站的微波链接强度。
The idea itself is not new, and there have been trials in recent years.
这种方式本身并没什么新意,最近几年一直都在进行类似的试验。
But, as they report in the Proceedings of the National Academy of Sciences, Dr Overeem andhis colleagues have successfully applied the technique to an entire country.
但是,就像他们向美国国家院报告中提到的,欧维姆博士和他的同事已经在一个国家成功地实现了它的全国性应用。
Using data from around 2,400 links between base-stations belonging to T-Mobile, one of theNetherlands three mobile-phone operators, they were able to generate a rain map of thewhole kingdom every 15 minutes.
通过分析荷兰三大移动运营商之一:T-Mobile所属的2,400个基站产生的数据,他们能够每十五分钟就制作出一个全国的雨量分布图。
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