Aerodynamic performance of a free-flying dragonfly—A span-resolved investigation
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/1.5145199
Abstract: We present a quantitative characterization of the unsteady aerodynamic features of a live, free-flying dragonfly under a well-established flight condition. In particular, our investigations cover the span-wise features of vortex interactions between the fore- and… read more here.
Keywords: span resolved; free flying; aerodynamic performance; dragonfly ... See more keywords
Interfacial modification mechanism by aging effect for high-performance Cd-free and all-dry process Cu(In,Ga)(S,Se)2 solar cells
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0031241
Abstract: Modification of the hetero-junction interface in Cd-free and all-dry process Cu(In,Ga)(S,Se)2 (CIGSSe) solar cells by introducing the aging process for the bare CIGSSe films is demonstrated, ultimately achieving the highest conversion efficiency of 22.0%. In… read more here.
Keywords: solar cells; dry process; process; free dry ... See more keywords
Average bit error rate performance of free-space optical systems over double generalized gamma fading channels based on avalanche photodiode detector
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.11.116101
Abstract: Abstract. The performance of free-space optical (FSO) communication systems based on avalanche photodiodes (APDs) is investigated over the aggregated double generalized gamma (double GG) fading channels. The approximate average bit error rate (ABER) expression is… read more here.
Keywords: space optical; performance; free space; fading channels ... See more keywords
Performance of Free Space Optical Terrestrial Link under Dense Fog Conditions
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DOI: 10.12693/aphyspola.134.268
Abstract: Performance of Free Space Optical Terrestrial Link under Dense Fog Conditions S.M. Yasir, M.S. Khanb,∗, A. Wahid, M.T. Mushtaq, M.I. Memon, M. Siraj and M.S. Iqbal Department of Electrical Technology, Government Swedish Pakistani Institute of… read more here.
Keywords: engineering; lahore; space optical; optical terrestrial ... See more keywords