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发表于 2010-3-20 09:33:44
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By Your Accelerometers Combined, I Am Quake Catcher!
通过您的加速度传感器,让我成为地震捕手!

What if computers could be turned into a worldwide earthquake detecting network? With the Quake Catcher software and your laptop's built-in accelerometer, that might just be possible.
如果让一些电脑变成一个全球性的地震监测网络,将会怎么样呢?通过 Quake Catcher 软件和您的笔记本电脑内置的加速度传感器,或许能实现这个愿望。
Elizabeth Cochran, an earth scientist at UC Riverside, has already managed to get about 1,000 people to install Quake Catcher and has been tracking the date submitted by the software—including disruptions from the recent magnitude 8.8 earthquake in Chile.
Elizabeth Cochran,加州大学河滨分校的地球科学家,已成功获得了 1000 多人的支持,并安装了 Quake Catcher 软件,该软件能跟踪数据并提交——包括最近在智利发生的 8.8 级地震。
The system isn't perfect as it's limited by the sensitivity of accelerometers built into computers or ones connected by USB, but at least it does have a mechanism in place to ignore vibrations that are limited to a single machine. This means that accidentally letting your laptop fall off the desk won't make anyone assume there's an earthquake. Now if you coordinated such a drop with a bunch of people in your geographic area on the other hand, we might manage to upset Ms. Cochran a bit. [LA Times via Pop Sci]
该系统并不完美,它受限于通过 USB 连接在计算机上的加速度传感器的灵敏度,而且至少还要有一种判决机制,能忽视计算机自身的一些振动。这意味着,偶然让笔记本电脑从桌子上跌落,将不会被判别为地震信号。所以说,如果您能协调您周围地区的所有用户同时跌落他们的电脑,Cochran 女士就会受到惊吓了。[本文发表于《洛杉矶时报》流行科学栏目] |
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