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chrisisasavage
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Cloud Radar: Predicting The Weather More Accurately
| Quote From Source: | ScienceDaily (Oct. 1, 2008) — The weather. It's the one topic of conversation that unites Britain – umbrella or sun cream? Now scientists at the Science and Technology Facilities Council have developed a system that measures the individual layers of cloud above us which will make answering the all-important weather questions much easier in future.
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| Quote From Source: | The radar consists of a millimetre-wave frequency source that continuously emits a low power signal in the vertical direction that is frequency modulated. A signal is returned, mainly due to what is known as ‘back-scattering' from water droplets and ice crystals in the atmosphere. This signal is picked up by a receiver and converted to a microwave signal, which is then digitised, analysed and a real-time image of the returned signal intensity versus altitude is displayed for the user.
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Source: Science Daily
Source URL: http://www.sciencedaily.com/...ses/2008/09/080924085200.htm |
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posted on 10/1/2008 at 22:45
