Definition
Lasers have been considered for space communications since their realization in 1960. However, it was soon recognized that, although the laser had potential for the transfer of data at extremely high rates, specific advancements were needed in component performance and systems engineering, particularly for space-qualified hardware. Advances in system architecture, data formatting, and component technology over the past three decades have made laser communications in space not only a viable but also a attractive approach to intersate ....etc

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advantages of perceptive computing......................................................... ....etc

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Perceptive Presence
abstract

Ever since computers were first networked together, people have used them for communication. From email—one of the first network applications—to the original MIT Zephyr notification system1 to the now-popular AOL Instant Messenger System, people use computers to break down physical distances and provide a sense of awareness about another person in another place. Beyond basic text interaction, research—such as the Portholes project at Xerox PARC—has strived to bring people t ....etc

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Definition
Lasers have been considered for space communications since their realization in 1960. However, it was soon recognized that, although the laser had potential for the transfer of data at extremely high rates, specific advancements were needed in component performance and systems engineering, particularly for space-qualified hardware. Advances in system architecture, data formatting, and component technology over the past three decades have made laser communications in space not only a viable but also a attractive approach to intersate ....etc

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Roke Manor Research is a leading provider of mobile telecommunications technology for both terminals and base stations. We add value to our clients' projects by reducing time-to-market and lowering production costs, and provide lasting benefits through building long-term relationships and working in partnership with our customers.
We have played an active role in cellular communications technology since the 1980's, working initially in GSM and more recently in the definition and development of 3G (UMTS). Roke Manor Research has over 200 engine ....etc

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The communication needs of Earth observation satellites is steadily increasing. Within a few
years, the data rate of such satellites will exceed 1 Gbps, the angular resolution of sensors will be
less than 1 μrad, and the memory size of onboard data recorders will be beyond 1 Tbytes.
Compared to radio frequency links, optical communications in space offer various advantages
such as smaller and lighter equipment, higher data rates, limited risk of interference with other
communications systems, and the effective use of freque ....etc

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PERCEPTIVE COMPUTING


ABSTRACT

Survival of animal depends highly on developed sensory abilities. Like

wise human recognition depends on highly developed abilities to

perceive, integrate, and interpret visual, auditory, and touch

information. Also we have no doubt that if computers had even a small

fraction of the perceptual ability of animals or humans, then they

would be much more powerfull.Adding such perceptual abilities to

computers would enable computer ....etc

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Definition
Laser communications offer a viable alternative to RF communications for inter satellite links and other applications where high-performance links are a necessity. High data rate, small antenna size, narrow beam divergence, and a narrow field of view are characteristics of laser communications that offer a number of potential advantages for system design.

Lasers have been considered for space communications since their realization in 1960. Specific advancements were needed in component performance and system engineering particula ....etc

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Perceptive Media: Machine Perception and Human Computer Interaction


Matthew Turk
Computer Science Department
University of California
Santa Barbara, CA 93106 USA
[email protected]


Abstract
Computer hardware has always changed rapidly, but input/output devices, interaction techniques, and software for human-computer interaction have not experienced similar growth and improvement. The GUI-based style of interaction has made computers simpler and easier to use, especially for office produ ....etc

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