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ground structures

Compact Lowpass Filter with Sharp Transition Band Based on Defected Ground Structures

Compact Lowpass Filter with Sharp Transition Band Based on Defected Ground Structures

... 8. Boutejdar, A., M. Makkey, A. Elsherbini, O. Luxor, and A. Omar, “Design of compact extended-stopband microstrip low pass filters by employing new mutual coupling technique for defected ground structures ...

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Miniaturization of Wilkinson Power Dividers by Using Defected Ground Structures

Miniaturization of Wilkinson Power Dividers by Using Defected Ground Structures

... The objective of this paper is to investigate the application of defected ground structures (DGSs) and electromagnetic bandgaps (EBGs) on the design of Wilkinson power divider (see Fig. 1) [10–16]. DGSs ...

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A Compact UWB Band Pass Filter Using Simple Defected Ground Structures

A Compact UWB Band Pass Filter Using Simple Defected Ground Structures

... the ground plane of microstrip line is shown in ...defected-ground structures. The discontinuity in the ground plane introduces a transmission zero for the current at DC and at a frequency, ...

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Visual and tactile learning of ground structures in desert ants

Visual and tactile learning of ground structures in desert ants

... in ground properties do play a role during an ant’s search for the ...local structures to memorize and later recall minute characteristics of the ground surface in the immediate vicinity of the nest ...

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Improved Frequency Response of Microstrip Lowpass Filter Using Defected Ground Structures

Improved Frequency Response of Microstrip Lowpass Filter Using Defected Ground Structures

... defected ground structures are presented. The proposed defected ground structures behave as a resonant element at high frequency and thus eliminate the stopband frequencies to achieve wide ...

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An Ultra-Wideband Balanced Bandpass Filter Based on Defected Ground Structures

An Ultra-Wideband Balanced Bandpass Filter Based on Defected Ground Structures

... Abstract—An ultra-wideband (UWB) balanced bandpass filter (BPF) is proposed and designed using defected ground structures (DGSs). A multimode resonator on top layer with a coplanar waveguide on bottom layer ...

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A Simplified Equivalent Circuit Model for Defected Ground Structures in Planar Transmission Lines

A Simplified Equivalent Circuit Model for Defected Ground Structures in Planar Transmission Lines

... Abstract—In this paper, an equivalent circuit model for special type of planer transmission lines with defected ground structures (DGS) is presented. This structure has multi stop bands in its frequency ...

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BEHAVIOR OF BUILDINGS DUE TO TUNNELING UNDER SEISMIC LOADING CONDITION

BEHAVIOR OF BUILDINGS DUE TO TUNNELING UNDER SEISMIC LOADING CONDITION

... the structures is the impact of the seismic loadings on the design ...near structures on the existing buildings, which sometimes can cause great changes in forces and ...super structures, such as ...

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Tunnel Rehabilitation in Fault Zone Using Sequential Joints Method- Case Study: Karaj Water Conveyance Tunnel

Tunnel Rehabilitation in Fault Zone Using Sequential Joints Method- Case Study: Karaj Water Conveyance Tunnel

... The sequential joints method, which is introduced for the first time in this research, is used to attenuate the fault effects on the tunnel structure. It is assume d that some openings are considered in regular distances ...

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RESPONSE  OF UNDERGROUND STRUCTURES SUBJECT TO  BLAST LOADING UNDER GROUND

RESPONSE OF UNDERGROUND STRUCTURES SUBJECT TO BLAST LOADING UNDER GROUND

... underground structures subjected to blast loading is generally discussed in protective ...example structures are box shaped concrete structures, partially or fully buried in soil ...

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EFFECT OF CIRCULAR TUNNEL ON EXESTING BUILDINGS  UNDER SEISMIC LOADING

EFFECT OF CIRCULAR TUNNEL ON EXESTING BUILDINGS UNDER SEISMIC LOADING

... the structures is the impact of the seismic loadings on the design ...near structures on the existing buildings, which sometimes can cause great changes in forces and ...super structures, such as ...

9

Stochastic Analysis of Adjacent Structures Subjected to Structural Pounding under Earthquake Excitation

Stochastic Analysis of Adjacent Structures Subjected to Structural Pounding under Earthquake Excitation

... inelastic structures with one-sided pounding under earthquake excitation using a Hertz contact ...adjacent structures subjected to seismic pounding due to spatially varying ...adjacent structures of ...

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A STUDY ON THE SEISMIC RETROFITING OF THE STRUCTURE

A STUDY ON THE SEISMIC RETROFITING OF THE STRUCTURE

... existing structures with insufficient seismic resistance accounts for a major portion of the total cost of hazard ...the structures that need seismic retrofitting are identified correctly, and an optimal ...

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Comparative Studies in Analysis and Design of RCC Structures with and Without Infill Wall under Seismic Effect

Comparative Studies in Analysis and Design of RCC Structures with and Without Infill Wall under Seismic Effect

... Reinforced concrete frames with masonry infill walls are a common practice in countries like India, where the region is prone to seismic activity. Generally the masonry infill walls are treated as non-structural element ...

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Damages According To Liquefaction And Suggestions

Damages According To Liquefaction And Suggestions

... strong ground shaking and loose saturated cohesiveness soil ponds can result permanent and large displacements and/or seismic settlement of the ...Strong ground shaking in saturated or almost saturated soil ...

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Structure-based design of anticancer prodrug PABA/NO

Structure-based design of anticancer prodrug PABA/NO

... forming toxic reactive nitrogen/oxygen intermediates, and inhibiting enzymes capable of preventing or repairing cellular damage. PABA/NO produces antitumor effects comparable with cisplatin in a human ovarian cancer ...

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Online Full Text

Online Full Text

... It must be noted that if the system under test is characterized by two vertical planes of symmetry, the centre of mass lies on the same vertical axis of the isolators stiffness centre; therefore the three cabinet planar ...

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Seismic Analysis of Tuned Mass Damper in Vertically Irregular Structure

Seismic Analysis of Tuned Mass Damper in Vertically Irregular Structure

... prone structures modeled as elastic single-degree- of-freedom oscillators and they are equipped with a single ...excited structures with light structural ...

5

Conformal Antenna Array for  MIMO Applications

Conformal Antenna Array for MIMO Applications

... Recent developments in MIMO systems for applications involving biomedical devices, personal and portable equipment [1], raised the demand for conformal RF wireless and electronic devices [2]. Concurrently, metama- ...

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Cluster formation, breaking, and excitation in light nuclei

Cluster formation, breaking, and excitation in light nuclei

... gas state. In the energy region around 10 MeV, much below the nucleon gas state, three α clusters develop in excited states of 12 C. The energy for the 3 α cluster excitation is much smaller the nucleon gas state, ...

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