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Hasil Pencarian

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Ucuk Darusalam
Filter spasial optik tersusun atas cone reflector dan pinhole untuk menekan efek beam wander dan spatial noise pada sisi penerima komunikasi FSO = The optical spatial filter composed of cone reflector and pinhole to suppress effects of beam wander and spatial noise on the receiver of FSO communications
" Atmospheric turbulence is the major problem in FSO communications where beam wander and spatial noise modulation into optical propagation can cause severe problems result in performance degradation. Beam wander and spatial noise leads to fluctuations in signal intensity and maximum reception of noise on photodetector. Generally, spatial-diversity, time-diversity, cooperative diversity, photo sensor design, optical amplification, and adaptive optics are used to solve those problems. Commonly, those aforementioned methods implement direct- or fiber-detection to retrieve an optical ... "
Depok: Fakultas Teknik Universitas Indonesia, 2015
D2094
UI - Disertasi Membership  Universitas Indonesia Library