منابع مشابه
Relativistic Corrections for the Earth Artificial Satellite Theory
In the persesnt work an artificial satellite theory is developed including all the zonal harmonics of the geopotential besides the post-Newtnian effects arising from the Schwarzschild solution and the Earth's oblateness. The Hamiltonian is formed in terms of the Deluanay canonical variables allowing for the coupling between the Newtonian and the post-Newtonian terms. Small quantities are retain...
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This report presents an account of the demand made by solar radiation pressure 6n the attitude-control system of an earth satellite whose external configuration is in the shape of a rectangular prism, the surfaces being assumed to be perfectly reflecting. Expressions determining the amount of angular impulse that must be supp~ed by an attitude-control system in the course of a year in order to ...
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Satellite communication continues to grow in the burgeoning Wireless marketplace. Besides the standard Wireless telecommunications drivers such as ubiquitous high-speed communication and Internet access, satellite communication demand is also driven by entertainment applications like direct and interactive television. The demands imposed by the increase in satellite communication traffic drive ...
متن کاملAn Artificial Intelligence Planner for Satellite Operations
Planning and scheduling are closely related areas with which the AI community has been long concerned. The first one deals with finding plans to achieve some goals from an initial state; that is, a sequence of activities that will modify the initial state into another that satisfies the goals. The second one refers to the allocation of available resources to known activities over time in order ...
متن کاملFinite-time stabilization of satellite quaternion attitude
In this paper, a finite-time control scheme is presented for stabilization of the satellite chaotic attitude around its equilibrium point when its attitude is confused by a disturbed torque. Controllers and settling time of stabilizaton are obtained, based on the Lyapunov stability theorem and finite-time control scheme. This method is satisfied for any initial condition. Numerical simulations ...
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ژورنال
عنوان ژورنال: Nature
سال: 1957
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1801413a0