Enhancement of noisy speech utilizing the Kalman filter

Deviren, Murat


Enhancement of plasmonic nonlinear conversion and polarization lifetime via fano resonances
Yıldız Karakul, Bilge Can; Bek, Alpan; Taşgın, Mehmet Emre; Department of Physics (2017)
Boundary conditions and dispersion at dielectric-conductor interfaces, together, results in bands of energies or wavelengths of light within which light-matter interaction strength displays peaks as a result of fulfilled resonance conditions. At these resonance energies light propagation is strongly coupled to collective oscillation of free charges at the dielectric-conductor interface which qualifies to be given a quasiparticle name, "the surface plasmon polariton" (SPP). When dealing with zero-dimensional...
Enhancement of optical parametric amplification in microresonators via gain medium parameter selection and mean cavity wall reflectivity adjustment
Asirim, Ozum Emre; Kuzuoğlu, Mustafa (IOP Publishing, 2020-09-01)
This paper computationally investigates the effect of the polarization decay rate (gamma), and the peak resonance frequency (f(0)) on optical parametric amplification inside a low-loss micro resonator. It is found that, for lower values of the polarization decay rate and the peak resonance frequency, the magnitude of amplification can be significantly higher. However, it was also observed that beyond a certain threshold value of the polarization decay rate, the gain factor of the amplification sharply reduc...
Enhancement of the 1.54 mu m Er3+ emission from quasiperiodic plasmonic arrays
Gopinath, A.; Boriskina, S. V.; Yerci, Selçuk; Li, R.; Dal Negro, L. (2010-02-15)
Periodic and Fibonacci Au nanoparticle arrays of varying interparticle separations were fabricated on light emitting Er:SiNx films using electron beam lithography. A 3.6 times enhancement of the photoluminescence (PL) intensity accompanied by a reduction in the Er3+ emission lifetime at 1.54 mu m has been observed in Fibonacci quasiperiodic arrays and explained with radiating plasmon theory. Our results are further supported by transmission measurements through the Fibonacci and periodic nanoparticle arrays...
Enhancement of H-2 Storage in Carbon Nanotubes via Doping with a Boron Nitride Ring
Onay, Aytun Koyuncular; Erkoç, Şakir (American Scientific Publishers, 2009-04-01)
Hydrogen storage capacity of carbon nanotubes with different chirality have been investigated by performing quantum chemical methods at semiempirical and DFT levels of calculations. It has been found that boron nitrite substitutional doping increases the hydrogen storage capacity of carbon nanotubes.
Enhancement of Convective Heat Transfer with Nanofluids Single Phase and Two Phase Analysis
Sert, İsmail Ozan; Sezer Uzol, Nilay; Güvenç Yazıcıoğlu, Almıla; Kakaç, Sadık (2013-08-28)
Citation Formats
M. Deviren, “Enhancement of noisy speech utilizing the Kalman filter,” Middle East Technical University, 2000.