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FREE guide on the venerable 8051 - tutorials, white papers, top vendors. Just released - March, 2009. Cool news.
Even 'intellectual property' - everything and anything on the 8051!
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 Definition: Ultra-wideband (aka UWB, ultra-wide band, ultraband, etc.) is a radio technology that can be used at very low energy levels for short-range high-bandwidth communications by using a large portion of the radio spectrum.
This method is using pulse coded information with sharp carrier pulses at a bunch of center frequencies in logical connex.
UWB has traditional applications in non cooperative radar imaging.
Most recent applications target sensor data collection, precision locating and tracking applications.
This article discusses the meaning of Ultra-wideband in the field of radio communications.
UWB communications transmit in a way that doesn't interfere largely with other more traditional 'narrow band' and continuous carrier wave uses in the same frequency band.
However first studies show that the rise of noise level by a number of UWB transmitters puts a burden on existing communications services.
This may be hard to bear for traditional systems designs and may affect the stability of such existing systems.
Source: Wikipedia (http://en.wikipedia.org/wiki/Ultra-wideband)
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