Simulation of Ultra Wideband Microstrip Antenna Using Epml-TLM

Rajabi, Mahdi; Mohammadi, Morteza; Komjani, Nader

doi:10.2528/pierb07110802

Cited by 31 publications

(8 citation statements)

References 11 publications

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“…The conical and quasi-tapered helix type antennas exhibit broad bandwidth characteristics with respect to the radiation pattern and the input impedance [38][39][40][41]. Moreover, tapered and conical structures designed as antennas generally have well known broadband characteristics [42][43][44][45][46][47]. The wavelength response curves of both the conical helical antenna and the cones show approximately same characteristics with one main peak and one secondary peak over the wavelength.…”

Section: Effects Of the Geometrical Shapes Of The Photoreceptors On Tmentioning

confidence: 80%

Electromagnetic Modeling of Retinal Photoreceptors

Canbay¹,

Ãnal²

2008

PIER

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Abstract-New electromagnetic models for the rods and cones that are the photoreceptors at the back of the retina are developed and simulated in order to explain the roles of dimension, geometrical structure, directional sensitivity and visual pigments of the photoreceptors in the reception of visible light. The rods and cones are modeled as uniform and quasi-tapered helical antennas, respectively. The results of the model study show that if the model antennas have the original photoreceptor cell dimensions, the frequency responses of the model antennas and the spectral sensitivities of the photoreceptors would be very close to each other. In addition, it's observed that the spectral sensitivities of L, M and S cones are broadband over the visible light spectrum, and there are secondary peaks beside main peaks in the spectral sensitivity curves of the cones, because of the conical shape of the cones. It's also observed that there is only one main peak in the spectral sensitivity curves of the rods, because of the uniform and cylindrical shape of the rods. Finally, an array of the novel modeled antennas is also discussed to be used in biomedical applications of artificial retinal photoreceptors in medicine, although the main scope is not designing artificial retinal photoreceptor prosthesis.

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Section: Effects Of the Geometrical Shapes Of The Photoreceptors On Tmentioning

confidence: 80%

Electromagnetic Modeling of Retinal Photoreceptors

Canbay¹,

Ãnal²

2008

PIER

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“…Many antennas have been designed for wireless application, but the resulting size of the final layout often comes out to be too bulky to be integrated in any part of the mobile terminal [13][14][15]. Moreover, by using small antenna the quality factor of undersized antennas increases due to the proximity of a grounding surface and the high electric current density, reducing the antenna's bandwidth.…”

Section: Introductionmentioning

confidence: 99%

Design of a Dual Monopole Antenna With Wideband Frequency

Singh

How

2008

PIER C

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Abstract-In this article, a design for wideband dual-frequency folded dual monopole antenna is presented. By the proper choice of the dimensions of the Y-shape patch and the gap distance for the feeding structure, an additional resonant mode and wide impedance matching can be realized. Both simulated and experimental results, such as antenna impedance bandwidth, antenna radiation characteristic, and antenna gain have been presented and discussed. The lower impedance bandwidth covers from 8.78 GHz to 9.05 GHz, and the upper impedance bandwidth covers from 11.64 GHz to 12.01 GHz.

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“…However, the development of radar is far from its end. The coming forth of the "electric war" raised new requirements to all aspects of radar systems, such as devices manufacturing, circuit implementation, antenna design and signal processing of radar tracking [9][10][11][12][13][14][15][16][17]. Among various radar tracking problems, tracking the targets hidden in radar blind Doppler zone (BDZ) becomes a hot topic in recent years due to its importance in airborne radars [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Tracking Airborne Targets Hidden in Blind Doppler Using Current Statistical Model Particle Filter

Shi¹,

Hong²,

Chen³

2008

PIER

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Abstract-This paper aims at finding an algorithm featuring good estimation performance and easy hardware implementation for tracking airborne target hidden in blind Doppler. Incorporating the current statistical model which is effective in dealing with the maneuvering motions that most blind Doppler issues are caused, a current statistical model particle filter (CSM-PF) is presented in this paper for tracking airborne targets hidden in blind Doppler. Simulation results demonstrate that the proposed CSM-PF shows similar performance with the interacting multiple model particle filter (IMM-PF) in terms of tracking accuracy and track continuity, but it avoids the difficulty of model selection for maneuvering targets. In addition, when hardware implementation is considered, the proposed CSM-PF has lower processing latency, fewer resource utilization and lower hardware complexity than the IMM-PF.

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Simulation of Ultra Wideband Microstrip Antenna Using Epml-TLM

Cited by 31 publications

References 11 publications

Electromagnetic Modeling of Retinal Photoreceptors

Electromagnetic Modeling of Retinal Photoreceptors

Design of a Dual Monopole Antenna With Wideband Frequency

Tracking Airborne Targets Hidden in Blind Doppler Using Current Statistical Model Particle Filter

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