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41 papers
Wavefront Reconstruction for Fractional Lateral Shear Measurements using Weighted Integer Shear Averages
Samia Heshmat, Satoshi Tomioka, Naoki Miyamoto +3
Wavefront reconstruction in lateral shearing interferometry typically assumes that the shear amount is an integer multiple of the sampling interval. When the shear is fractional, a…
Enhancement of a Text-Independent Speaker Verification System by using Feature Combination and Parallel-Structure Classifiers
Kerlos Atia Abdalmalak, Ascensión Gallardo-Antol'in
Speaker Verification (SV) systems involve mainly two individual stages: feature extraction and classification. In this paper, we explore these two modules with the aim of improving…
Wavefront restoration from lateral shearing data using spectral interpolation
Satoshi Tomioka, Naoki Miyamoto, Yuji Yamauchi +2
Although a lateral-shear interferometer is robust against optical component vibrations, its interferogram provides information about differential wavefronts rather than the wavefro…
Interaction between linear polarized plane gravitational waves and a plane electromagnetic wave in the electromagnetic-gravity analogue
Enderson Falcón-Gomez, Vittorio De Falco, Kerlos Atia Abdalmalak +4
We study the interaction among gravitational and electromagnetic plane waves by means of an analogue electromagnetic model of gravity, where the gravitational properties are encode…
Improving the bidirectional steerability between two accelerated partners via filtering process
M. Y. Abd-Rabbou, N. Metwally, M. M. A. Ahmed +1
The bidirectional steering between two accelerated partners sharing initially different classes of entangled states is discussed. Due to the decoherence, the steerability and its d…
Detraction of decoherence that arises from acceleration process
M. Y. Abd-Rabbou, S. I. Ali, N. Metwally
The possibility of detracting the decoherence due to the acceleration process of the two-qutrit system is investigated, where we examined the behaviour of the relative entropy and…