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This paper analyses the phase noise of Coherent optical OFDM (CO-OFDM) system inducing by chromatic dispersion (CD), fiber nonlinearity and amplified spontaneous-emission (ASE) noise. Zero interpolated in OFDM symbol could improve the transmission performance without requiring additional optical components, because the impact of system nonlinearity could be moderated. Simulation shows that a 2-dBm...
Effects of irradiance and iron on the growth of a typical harmful algal blooms (HABs) causative dinoflagellate, Scrippsiella trochoidea, were investigated under various irradiances (high light: 70μmolm −2 s −1 and low light: 4μmolm −2 s −1 ) and iron concentrations (low iron: 0.063mgL −1 , medium iron: 0.63mgL −1 and high iron: 6.3mgL −1 ), and...
Equipment support capability is a permanent problem at equipment support realm. Grading the equipment support capability enables better equipment support scheme. This paper applies the theories and methods of fuzzy mathematics and comprehensive evaluation. Based on fuzzy inference, its perform evaluations that are both qualitative and quantitative and contain exact and inexact factors. The paper determines...
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