نتایج جستجو برای: artificial satellite

تعداد نتایج: 365560  

2013
Rachita Sharma Sanjay Kumar Dubey

This paper describes the time variant changes in satellite images using Self Organizing Feature Map (SOFM) technique associated with Artificial Neural Network. In this paper, we take a satellite image and find the time variant changes using above technique with the help of MATLAB. This paper reviews remotely sensed data analysis with neural networks. First, we present an overview of the main co...

2012
Z. M. Hayman

In this paper the solution of an artificial satellite motion under the influence of the Earth’s gravitational field with axial symmetry of any conic section with zonal harmonics J2 in terms of Euler parameters is established. Applications of this method enable anyone to predict the motion of artificial satellites.

Journal: :Progress of Theoretical Physics 1957

Journal: :International Astronomical Union Colloquium 1978

Soil organic carbon (SOC) content plays a key role in soil biological, chemical and physical behavior and knowledge about its state and distribution is essential for the effective and sustainable use of soil. Laboratory measurements of SOC are costly and time consuming and have not the possibility to extend the results to similar areas. Recently, the use of remote sensing data for evaluation of...

Geometric Dilution of Precision (GDOP) is a coefficient for constellations of Global Positioning System (GPS) satellites. These satellites are organized geometrically. Traditionally, GPS GDOP computation is based on the inversion matrix with complicated measurement equations. A new strategy for calculation of GPS GDOP is construction of time series problem; it employs machine learning and artif...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی 1389

چکیده ندارد.

2014
T. Yairi T. Oda Y. Nakajima N. Miura N. Takata

Health monitoring and anomaly detection techniques for artificial satellites are very significant, as it is very hard to repair those space systems on orbit. Authors have proposed the framework of learning-based anomaly detection that applies statistical machine learning and data mining techniques to the satellite telemetry data to automatically obtain normal behavior models which can be used f...

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