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Register a new userStudy and Design of Microwave Filter Using Iterative Method FWCIP
دراسة و تصميم مرشح ميكروي باستخدام الطريقة التكرارية FWCIP
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علي زيد( باحث )
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أخذت مرشحات الحزم الضوئية المحجوبة (Photonic Band Gap (PBG أهمية بالغة في الوقت المعاصر. نقدم هنا نوعين من مرشحات الحزمة المحجوبة PBG من خلال شبكتين مطبوعتين على طبقة القاعدة. تكون ميزات الحزمة الممنوعة تابعة لعدد العناصر و الشبكات المطبوعة. استخدمنا الطريقة التكرارية التصميمية للأمواج السريعة (Fast Wave Concept Iterative Process (FWCIP في نمذجة هذين المرشحين.
Recently PGB (photonic band gap) filters show a great development. Here we will present two different PGB filters with lattice etched in the ground plane. The rejection band characteristic is function of the number and shape of elements etched. These filters are modelling by the FWCIP method.
References used
Riazat, M and al, 1990 Propagation modes and dispersion characteristics of coplanar waveguides, IEEE Trans. Microwave Theory Tech.,vol.38, pp.245-251, Mar.1990
Liu, H, Sun, L, Yoshimasu, T, 2006 Slot resonator-based electromagnetic bandgap coplanar waveguide and its filter application, Physics Letters A 359 , 171–174
Baral, R.N, Singhal, P.K, 2009 Design and Analysis of Microstrip Photonic Band Gap Filter without Etching Ground Plane, Radioelectronics and Communications Systems, Radioelectron, Vol. 52, No. 10, pp. 565–568
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Novel rejected and passed band devices are obtained using
techniques in two dimensional Photonic Band Gap microstrip
structures. The microstrip is engraved in a PBG dielectric
constituted of a via holes array and enclosed in a metallic box. The
b
oundary element method (BEM) and the fast wave concept
iterative process (FWCIP) are combined to evaluate the
characteristic of this structure.
In this paper we will study the usage of equivalent circuit; in
modeling a round shaped metal cylinder in rectangular waveguide
to get filters that can be calibrated and used in the microwave
domain. We will study the structure of a rectangular re
sonant
cavity linked stimulatory through thick openings. Also a metal
shape to be calibrated in rectangular resonant cavity linked
stimulatory through thick openings. We will use matlab for showing
transition and reflection factors for the suggested filters.
In last decade, many of researches have proposed to study materials with periodic
structures,These structures can be engineered to realize novel electromagnetic properties
and to achieve behaviors that are not found in naturally materials. These ma
terials have
negative permittivity and permeability .Those are called meta-material or Left Hand
Material (LHM), They are fabricated, studied and analyzed within different applications of
microwave and optical communication. Recently, the microwave engineering applications
of artificial metamaterials have been widely discussed and various novel microwave
components were achevid for example, filters, antennas and fiber optic. This paper studys
and analyzes the reflection from fractal distribution of MMs layers in RHM medium, using
the recursive method, and applies it in the design of microwave narrow band filters.
Research over the past years has focused on electromagnetic waves and meta-materials. These structures are designed to give electromagnetic properties that cannot be produced by traditional, well known natural structures. Meta-materials obtain their
electromagnetic properties from their structures, not from their components. Meta-materials have new properties that define different mechanisms for electromagnetic wave propagation. These materials have been studied theoretically and have been used in many applications, especially microwaves and photonic fields. This research depends on these kinds of material, explains them, and analyzes the electromagnetic properties that yield from putting columns from these slabs with negative permittivity and permeability coefficient (MMs) in a fractal distribution of a natural medium. This research also compares the resulting properties with the electromagnetic properties that yield natural materials distributed the same way. We use the HFSS simulator which depends on the finite element method for calculating transmission and reflection coefficient for these structures.
In this article, we search practically for the method of pressing Binary Phase Code
Modulation (BPCM) signal according to the sequence M in existing Additive White Gaussian
Noise (AWGN) by Digital Matched Filter (DMF), according to the Algorism of
convolution in
time for input signal and reference signal (version of signal ) by using circuit field programmable
gate array (FPGA) type:
Cyclone II EP2C70F896C6 from ALTERA company placed on Development Education -II
Board (DE2-70).
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