GDL

Journal from gdlhub / 2021-01-20 15:23:51
Oleh : Mohammed Senan Al Gobi, Djamel Benatia, Mouadh Bali, Telkomnika
Dibuat : 2021-01-11, dengan 1 file

Keyword : adaptive optics (AO), genetic algorithm, object-oriented matlab adaptive optics (OOMAO), satellite-to-ground, wave-front correction
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/12960
Sumber pengambilan dokumen : Web

Laser communications hold accurate data rate for ground satellite links. The laser beam is transmitted through the atmosphere. The clear-air turbulence induces a number of phase distortions that damage wave-front. Adaptive optics (AO) treats wave front correction. The nature of AO systems is iterative; it can be integrated in metaheuristic algorithms such as genetic algorithm (GA). This paper presents improved version of algorithm for wave-front corrections. The improved algorithm is based on genetic algorithm (GA) and adaptive optics approach (OA). It is implemented in a computer simulation model called object-oriented matlab adaptive optics (OOMAO). The optimisation process involves best possible GA parameters as a function of population size, iteration count, and the actuators’ voltage intervals. Results show that the application of GA improves the performance of AO in wave-front corrections and the communication between satellite-to-ground laser links as well.

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