نتایج جستجو برای: satellite method

تعداد نتایج: 1697701  

2008
Kyeongyuk Min Kwangkyoon Jung Kyuwhan O Jongwha Chong

In this paper, we propose a verification method for risk management system of the electric power grid (RMS-EPG) using satellite communication network. The RMS-EPG with satellite communication network should be verified with various contingencies for its design and maintenance. For the verification of RMS-PG, the proposed system composed of the satellite communication simulator and the Power flo...

1998
Akito Ohkubo Marghny H. Mohamed Koichi Niijima

A learning method using domains of attraction in three-layered neural networks is proposed. The method is a combination of output error minimization learning with maximization learning of domains of attraction in one-layered perceptrons. To simplify the structure of the network, a successive learning technique is employed for hidden units. Domains of attraction in the network is derived by rest...

2014
Xiaolin Ning Xin Ma Cong Peng Wei Quan Jiancheng Fang Silvia Maria Giuliatti

Satellite autonomous orbit determination OD is a complex process using filtering method to integrate observation and orbit dynamic equations effectively and estimate the position and velocity of a satellite. Therefore, the filtering method plays an important role in autonomous orbit determination accuracy and time consumption. Extended Kalman filter EKF , unscented Kalman filter UKF , and unsce...

2004
Merkourios Karaliopoulos

Support of elastic TCP traffic over broadband GEO satellite networks v control algorithm for TCP flows over split-TCP satellite networks that can preserve the target requirements in terms of TCP steady-state throughput and TCP latency. We describe generic fixed-point approximations for the performance of TCP flows in geostationary satellite networks. We provide examples for the method applicabi...

شریفی, محمدعلی, صمدزادگان, فرهاد, فرزانه, سعید,

Celestial positioning has been used for navigation purposes for many years. Stars as the extra-terrestrial benchmarks provide unique opportunity in absolute point positioning. However, astronomical field data acquisition and data processing of the collected data is very time-consuming. The advent of the Global Positioning System (GPS) nearly made the celestial positioning system obsolete. The n...

Journal: :Remote Sensing 2018
Guo Zhang Kai Xu Qingjun Zhang Deren Li

Compensating for distortions in pushbroom satellite imagery has a bearing on subsequent earth observation applications. Traditional distortion correction methods usually depend on ground control points (GCPs) acquired from a high-accuracy geometric calibration field (GCF). Due to the high construction costs and site constraints of GCF, it is difficult to perform distortion detection regularly. ...

Journal: :EURASIP Journal on Advances in Signal Processing 2004

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