ABSTRACT Title of Thesis: FREE-SPACE OPTICAL COMMUNICAITONS THROUGH A FOREST CANOPY Clinton Lee Edwards‚ Master of Science‚ 2004 Thesis Directed By: Professor Christopher C. Davis‚ Department of Electrical and Computer Engineering This paper models the effects of the leaves of mature broadleaf trees on air-to-ground free-space optical (FSO) communication systems operating through the leaf canopy. Ecological radiation transfer models are considered and the concept of Leaf Area Index
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Executive Summary Three Rivers Optical is a company located in Pittsburgh which supplies lenses to the ophthalmic community. Steve Siebert‚ CEO and head of marketing faces different challenges on deciding if he should keep trade shows he has been doing as sales have not been proficient enough‚ and whether he should invest in new trade show to grow TRO’s market share. Steve’s plan is to invest into different states such as California and Michigan in the next five years. As TRO is moving towards
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totalitarian society out of a science-fiction story: the decision of whether or not to go to school in the morning‚ or finishing an essay at the last minute or allowing the grade to drop for an extra day are excellent examples of my view of free will. In Paul Halbach’s “The Illusion of Free Will”‚ he systematically attempts to debunk the debate between the combating theories of free will and hard determinism. He conveys his argument by stating that determinism and free will are incompatible with one another:
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Why Do Teenagers Act the Way They Do? Teenagers do not grow up in isolation: They are influenced by all that happens around them. This begins from an early age. Among the most important influences on children are parents‚ caregivers and the family. We look in more detail at these influences‚ especially as they relate to drug prevention. The Most Important Influence Most of us are aware of how important the early years of childhood are. During this time children learn so much that will influence
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1. Introduction Blu-ray is a new optical disc standard based on the use of a blue laser rather than the red laser of today’s DVD players. The standard‚ developed collaboratively by Hitachi‚ LG‚ Matsushita (Panasonic)‚ Pioneer‚ Philips‚ Samsung‚ Sharp‚ Sony‚ and Thomson‚ threatens to make current DVD players obsolete. It is not clear whether new Blu-ray players might include both kinds of lasers in order to be able to read current CD and DVD formats. The new standard‚ developed jointly
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"The Grande Illusion"‚ the 1938 French film by Jean Renoir‚ is a fine example of how war impacts individuals and changes their views during a major war‚ however outside the norms of battles and warfare. The title of the film can be read and deciphered in many ways. The "grand illusion" could be interpreted as one singular imposing "grand" perception during the Great War; and the word "grand" can also come to mean "all-inclusive" describing the war with a scope of many "sub-illusions." The main
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Executive Summary Optical fibres are being increasingly used in the telecommunications industry. They are slowly replacing the conventional copper cables due their superior ‘data transmission’ properties. They transmit data via light pulses within glass or plastic strands. Fibre optics fit the material requirements for good data transmission since they are ability to transmit and preserve quality of signals‚ durable and cost-effective. Some of the current materials employed within the industry
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Essay. Do people change or not? Are people able to change? This is a very controversial issue. However‚ I have my personal viewpoint on it. I believe people can change. Moreover‚ I think they have to change. It is very important today to be able to adapt to the dynamic and constantly changing world that we live in. We meet new people‚ move to new places‚ even change our professional fields‚ and it is simply impossible to avoid changes under all of those circumstances. The aspect of psychological
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Image and Illusion Essay In Christopher Hedges article the “Empire of Illusion” he stresses that America’s present culture and society have drastically declined in many ways. Hedges overall view is that America has been “dumbed down” through feel good illusion‚ replacing reality with fiction‚ and literacy with images. Celebrities have replaced Gods and religion‚ television has replaced a large amount of reading and writing‚ and politics have been replaced with “junk politics”
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reality and illusion are one in the same. The Wachowski brothers allows the viewer to see how reality and illusion can be mistaken for the other‚ using a number of contrasting ideas found in Plato’s analogy of the Cave‚ showing that at times the dream world can be safer than real life. The matrix is a simulation that creates an imaginary world where people are prisoners from reality‚ much like Plato’s mythological The Cave. The cave holds prisoners inside a dark cave‚ chained in way prohibiting
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