نتایج جستجو برای: lattice filter

تعداد نتایج: 215534  

Journal: :Filomat 2021

EQ-algebras were introduced by Nov?ak in [16] as an algebraic structure of truth values for fuzzy type theory (FTT). Nov?k and De Baets [18] various kinds such good, residuated, lattice ordered EQ-algebras. In any logical structures, using filters, one can construct other structures. With this inspirations, means fantastic filters we MV-algebras. Also, study prelinear introduce a new kind filte...

Journal: :Journal of Applied Physics 2023

Low-dimensional materials with topologically protected edge states have wide applications in spintronic, valleytronic, and optoelectronic nanodevices. Different from the valley-resolved quantum anomalous Hall (VQAH) state spin-polarized (VSQAH), photon-induced topological kagome-lattice nanoribbons (KLNR) can generate both valley without magnetic substrate or Rashba spin-orbit coupling (SOC). V...

Journal: :international journal of communications and information technology 2011
a. tavousi m. a. mansouri-birjandi m. saffari

here, we propose an add-drop and a channel drop filter based on two-dimensional photonic crystal all circular ring resonators. these structures are made of a square lattice of silicon rods with the refractive index n1=3.464 surrounded by air (with refractive index n2=1). the broadest photonic band gap occurs at the filling ratio of r/a = 0.17. two linear defect w1 waveguides couple to the ring....

1998
Mounir Sayadi Véronique Buzenac-Settineri Mohamed Najim

In this work. we take into account the non gaussian properties of textures and we propose a new approach for their characterization based on bidimensional adaptive modelisation using higher order statistics. The 2DOLRIV (Bidimensionnal Overdetermined Lattice Recursive Instrumental Variable) algorithm allows accurate texture model estimation. Sets of ZD-AR coefficients obtained from the 2D refle...

In the present paper a novel structure for optical channel drop filter (CDF) based on photonic crystal ring resonator with circular core has been proposed. In order to design the proposed CDF, the plan wave expansion (PWE) method is applied for calculation of band structure and photonic band gap while the transmission characteristics of proposed CDF have been calculated using the finite differe...

1985
HIDENORI KIMURA

This paper deals with the structural properties of lattice-ladder realization of digital filters in a state-space model context. A salient feature of the lattice-ladder realization in state space is its close connection to the Schwarz form, a class of matrices which plays a key role in the stability analysis of linear systems. This connection is further investigated and generalized in this pape...

Journal: :IEEE Trans. Signal Processing 1991
José A. R. Fonollosa Enrique Masgrau

A simplified algorithm is presented for computing the gradient in adaptive IIR lattice filters. For a filter with N zeros and N poles, this algorithm requires only order Ncomputations and it is shown to be completely equivalent to the previously proposed formulation which has a complexity of order N Z . Manuscript received May 7, 1990; revised October 4 , 1990. This work was supported by the Sp...

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