Satellite Visibility and Availability A Ganesh and R Narayanakumar The satellite visibility and availability is an essential parameter for precise positioning and surveying. Users of GPS must know where‚ when and what satellites should be tracked to attain the best results. The following are the essential measures a GPS operator is expected to know‚ during positioning. The elevation angle: - is the angle from the antenna between the horizontal and the line of sight to the satellite.
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Learning Curve Primer The concept of a Learning Curve is motivated by the observation (in many diverse production environments) that‚ each time the cumulative production doubles‚ the hours required to produce the most recent unit decreases by approximately the same percentage. For example‚ for an 80% learning curve: If cumulative production doubles from 50 to 100‚ then the hours required to produce the 100th unit is 80% of that for the 50th unit. The learning curve formula can be expressed
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Comparison and Contrast Essay Cable Verses Satellite Introduction: There are more households today which have televisions and computers than at any time in history. Nowadays in order to watch a good movie on television‚ you have to have something other then local channels. Years ago you could catch a good movie at night on the television. Now the way things are‚ you can’t just get away with local channels. You need to have a cable or satellite service. Before you go out and pay for a
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Bombay The long-run cost curve (LTC) is composed of a series of short-run cost curves. Assumes that the firm has only one plant‚ with the corresponding short-run cost curve given by STC1‚ Suppose the firm decides to add two more plants with associated two more short-run cost curves given by STC2 and STC3. Prof. Trupti Mishra‚ School of Management‚ IIT Bombay The long-run total cost curve (LTC) is then drawn through the minimum of the short-run cost curves‚ STC1‚STC2‚ and STC3. The
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Recent Trends in Wireless Radio and Satellite Communication Gori Shankar1‚ Rajiv Kumar2 Suresh Gyan Vihar University‚ M.Tech (VLSI) 1 ‚Jaipur Engg. College‚ B.Tech (ECE) 2 gssharma1951@gmail.com‚rajivresnick@gmail.com Abstract- In this paper we discussed satellite and radio communication links. Satellites have evolutionized communication. Satellite and radio communication has served mankind
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The current headlines regarding “extreme weather events” occurring around the world and here in America left a curiosity about the history and technology used to forecast the Earth’s weather. Around the world meteorologists use technology such as satellites‚ infrared‚ radio‚ and radar transmissions‚ to help determine the most accurate forecast possible. However‚ even with the most advanced technology available‚ no predication is 100% accurate. Captain Robert Fitzroy of Great Britain started a forecasting
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History changed on October 4‚ 1957‚ when the former Soviet Union successfully launched Sputnik I. The world’s first artificial satellite was about the size of a basketball‚ weighed only 183 pounds‚ and took about 98 minutes to orbit the Earth on its elliptical path. That launch ushered in new political‚ military‚ technological‚ and scientific developments. While the Sputnik launch was a single event‚ it marked the start of the space age and the U.S.-U.S.S.R space race. The story begins in 1952
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ITM UNIVERSITY ECONOMICS DETERMINANTS OF DEMAND SUBMITTED TO: Miss. Surti Dahuja SUBMITTED BY : SHUMYLA KHAN‚ KINNI KANSANA‚ SAGAR VYAS‚ Shibu lijack DEMAND “Demand for a commodity refers to the quantity of the commodity which an individual consumer or a household is willing to purchase per unit of time at a particular price”. Demand for a commodity implies – a) Desire of the consumer to buy the product‚ b) His willingness to buy the product‚ and c) Sufficient purchasing power in his pocket
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Wireless Power Transmission for Solar Power Satellite (SPS) (Second Draft by N. Shinohara) 1. Theoretical Background It is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. We can use theoretically all electromagnetic waves for a wireless power transmission (WPT). The difference between the WPT and communication systems is only efficiency. The Maxwell’s Equations indicate that the electromagnetic field and its power diffuse to all directions. Although
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Table Z: Areas under the standard normal curve (negative Z) Second decimal place in z 0.06 0.05 0.04 0.03 0.09 0.08 0.07 0.02 0.01 0.0001 0.0001 0.0002 0.0002 0.00 * 0.0000 0.0001 0.0001 0.0002 0.0002 z -3.9 -3.8 -3.7 -3.6 -3.5 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0.0002 0.0001 0.0001 0.0001 0
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