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van Ingen Schenau, H.A. (author), Spaa, J. (author)This paper describes aspects of system design applied to the ARTEMIS environmental monitoring system of the Food and Agriculture Organization (FAO) of the United Nations. The design aspects are derived from characteristics of the monitoring function and are based on methods of rainfall and vegetation monitoring from satellite observations which...report 1992
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Kuijpers, E.A. (author)Existing robot vision algorithms are evaluated for application in space for proximity extraction using one camera. Lighting conditions and image formation differ from earth conditions which have implications. An algorithm is derived which is based on the use of run coding, tracking and a least mean error method. Problems concerning hardware...report 1987
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van Swol, R.W. (author)Within the framework of the National Remote Sensing Programme and under contract with the Netherlands Remote Sensing Board (BCRS), the National Aerospace Laboratory NLR has carried out a Phase-A/B study of a national ERS-1 data and information centre. The first European Remote Sensing Satellite (ERS-1) is due to be launched by the European Space...report 1987
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Guelman, M. (author)The mathematical model of a space based manipulator arm with a rate controlled end effector is defined and the recursive algorithms for the computation of the basic djmamic functions are formulated. A digital simulation of this system is implemented and preliminary results are presented. Actual running times for the simulation In a VAX 750...report 1986
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van Popta, R.G. (author)A method is described, by which geographical data are superposed in real time to the high resolution HRPT imagery, received from the TIROS-N series satellites. The superposition of additional geographical data is important for an accurate position determination of the image data. Computations necessary for the transformation, conversion and...report 1982