Sharif Digital Repository

A frequency domain proof for the equivalence of the maximally flat FIR fractional delay filter and the Lagrange interpolator

Author

Jahani Yekta, M. M.

Pub. Year

2011

Subjects

Fractional delay filters. / Frequency domains. / Lagrange. / Lagrange interpolator. / Maximally flat. / Maximally flat FIR fractional delay filter. / System of equations. / System of linear equations. / Algebra. / Lagrange multipliers. / Quadrature amplitude modulation. / Frequency domain analysis.

Low-order adaptive half-sample interpolators

Author

Jahani Yekta, M. M.

Pub. Year

2010

Subjects

Design method. / Efficient designs. / Fractional delay. / High order. / Implementation techniques. / Input signal. / Interpolation kernels. / Statistical variations. / Interpolation.

Wideband maximally flat fractional-delay allpass filters

Author

Jahani Yekta, M. M.

Pub. Year

2010

Subjects

All-pass filter. / Causality constraint. / Maximally flat. / Non-causal systems. / Wide-band. / Bandwidth. / Finite difference method. / IIR filters.

Equivalence of the Lagrange interpolator for uniformly sampled signals and the scaled binomially windowed shifted sinc function

Author

Jahani Yekta, M. M.

Pub. Year

2009

Subjects

Band-limited interpolation. / Binomial window. / Frequency domain analysis. / Maximally flat FIR fractional delay filter. / Sinc function. / Uniform Lagrange interpolation. / Band-limited interpolation. / Binomial window. / Maximally flat FIR fractional delay filter. / Sinc function. / Uniform Lagrange interpolation. / Interpolation. / Lagrange multipliers. / Quadrature amplitude modulation. / Windows. / Frequency domain analysis.

Equivalence of the Lagrange interpolator for uniformly sampled signals and the scaled binomially windowed shifted sinc function

Author

Jahani Yekta, M. M.

Pub. Year

2009

Subjects

Band-limited interpolation. / Binomial window. / Maximally flat FIR fractional delay filter. / Sinc function. / Uniform Lagrange interpolation. / Interpolation. / Lagrange multipliers. / Quadrature amplitude modulation. / Windows. / Frequency domain analysis.

Half-band FIR fractional delay filters with closed-form coefficient formulas and modular implementation based on Lagrange interpolators

Author

Jahani Yekta, M. M.

Pub. Year

2008

Subjects

Wave filters. / Band-width broadening. / Closed-form coefficient formulas. / Fractional delay. / Fractional delay filters. / Half-band. / Lag range. / Maximally flat. / Maximally flat FIR fractional delay filter. / Modular implementation. / Taylor series. / FIR filters.

Erratum to: "Fast design of relatively wide band fractional delay all-pass filters" [Signal Process. 88 (3) (2008) 612-623] (DOI:10.1016/j.sigpro.2007.09.006)

Author

Jahani Yekta, M. M.

Pub. Year

2008

Subjects

Filter design. / Wide band filter. / All-pass filter. / Thiran’s filter design method. / Fractional group delay.

Fast design of relatively wide band fractional delay all-pass filters

Author

Jahani Yekta, M. M.

Publisher

Elsevier,

Pub. Year

2008

Subjects

Bandwidth. / Machine design. / Signal filtering and prediction. / Filter design. / Thiran's method. / Wide band filter. / Wide band fractional delay all-pass filters. / Bandpass filters.

Optimum mechanism for rehabilitation of fingers

Author

Yekta, R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Exoskeleton. / Hand. / Rehabilitation. / Cables. / Degrees of freedom (mechanics) / Mechanisms. / Patient rehabilitation. / Robotics. / Different mechanisms. / Hand exoskeleton. / Interphalangeal joints. / Musculo-skeletal injuries. / Optimization method. / Two-degree of freedom. / Upper extremity. / Exoskeleton (Robotics)

An iterative signal recovery technique capable of decreasing the lossy effects of codecs

Author

Jahani Yekta, M. M.

Pub. Year

2007

Subjects

Iterative decoding. / Mathematical operators. / Recursive functions. / Signal reconstruction. / Telecommunication systems. / Code division multiple access. / Image codecs. / International conferences. / Inverse problems. / Iterative procedures. / Iterative schemes. / Linear operators. / Malaysia. / Modulated signals. / Monotonic functions. / Nonlinear operators. / Recursive approach. / Recursive schemes. / Sigma-delta. / Sigma-delta modulation. / Signal recovery. / Source coding. / Iterative methods.

Tunning the tilt of the Dirac cone by atomic manipulations in 8Pmmn borophene

Author

Yekta, Y.

Publisher

Nature Research,

Pub. Year

2023

Subjects

Two dimensional quantum materials. / Dirac cones. / Low-energy Dirac fermions. / Nearest-neighbor hopping. / Geometric Quantum Material (GQM)

Some nonlinear/adaptive methods for fast recovery of the missing samples of signals

Author

Ghandi, M.

Pub. Year

2008

Subjects

Adaptive algorithms. / Extrapolation. / Iterative methods. / Adaptive processing. / Fast algorithms. / Non-uniform sampling. / Signal recovery. / Signal detection.

On the complexity of isoperimetric problems on trees [electronic resource] / Amir Daneshgar, Ramin Javadi.

Author

Daneshgar, A. (Amir).

Subjects

Approximation algorithms. / Cheeger constant. / Computational. / Complexity. / Graph partitioning. / Isoperimetric number. / Normalized. / Cut weighted trees.

Preparation and characterisation of diopside-based glass-ceramic foams

Author

Hasheminia, S.

Pub. Year

2012

Subjects

A. Sintering. / Diopside. / Glass-ceramic foam. / Dilatometric softening. / Foaming ability. / Foaming agent. / Glass Powder. / Lead-Free. / SiC particles. / Sintering routes. / Temperature intervals. / Wetting angle. / Glass. / Lead oxide. / Powders. / Secondary batteries. / Silicon carbide. / Sintering. / Ceramic foams.

Effects of Fe2O3 content on ionic conductivity of Li2O-TiO2-P2O5 glasses and glass-ceramics

Author

Mohaghegh, E.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Glass-ceramic. / Ionic conductivity. / NASICON structure. / Activation energy. / Ceramic materials. / Crystallization. / Differential thermal analysis. / Electrochemical impedance spectroscopy. / Field emission microscopes. / Lithium. / Scanning electron microscopy. / Spectroscopy. / Thermoanalysis. / Titanium dioxide. / X ray diffraction analysis. / Crystalline phase. / Electrochemical impedance spectroscopy techniques. / Field emission scanning electron microscopy. / Glasses and glass ceramics. / Impedance spectroscopy. / Melt quenching method. / Nasicon structure. / Visible spectroscopy. / Glass ceramics.

The effects of SiO 2 and K 2O on glass forming ability and structure of CaOTiO 2P 2O 5 glass system

Author

Ahmadi Mooghari, H. R.

Pub. Year

2012

Subjects

DTA. / NMR. / Cristobalites. / Crystalline phasis. / Differential thermal analyzers. / Droplet phasis. / FT-IR. / Glass compositions. / Glass forming ability. / Glass forming ability parameters. / Glass systems. / Infrared spectrum. / Magic angle spinning NMR. / MAS NMR. / Scanning electron microscopies (SEM) / Structural characteristics. / Structural unit. / Three component. / TiO. / Differential thermal analysis. / Glass. / Magic angle spinning. / Nuclear magnetic resonance. / Nuclear magnetic resonance spectroscopy. / Oxide minerals. / Scanning electron microscopy. / Silicate minerals. / Titanium dioxide. / X ray diffraction. / Silicon compounds.

On nodal domains and higher-order Cheeger inequalities of finite reversible Markov processes [electronic resource] / Amir Daneshgar, Ramin Javadi, Laurent Miclo.

Author

Daneshgar, A. (Amir).

Subjects

Reversible Markovian generator. / Markov processes on discrete cycles. / Optimal partitions of state space. / Nodal domains of eigenfunctions. / Dirichlet connectivity spectra. / Principal Dirichlet eigenvalues. / Cheeger’s inequality. / Spectral decomposition.