نتایج جستجو برای: wall microwave imaging

تعداد نتایج: 661781  

A. B. Gorji B. Zakeri

Recently, time reversal (TR) method, due to its high functionality in heterogeneous media has been widely employed in microwave imaging (MI) applications. One of the applications turning into a great interest is through-wall microwave imaging (TWMI). In this paper, TR method is applied to detect and localize a target obscured by a brick wall using a numerically generated data. Regarding this, i...

Journal: :journal of electrical and computer engineering innovations 2013
a. b. gorji b. zakeri

recently, time reversal (tr) method, due to its high functionality in heterogeneous media has been widely employed in microwave imaging (mi) applications. one of the applications turning into a great interest is through-wall microwave imaging (twmi). in this paper, tr method is applied to detect and localize a target obscured by a brick wall using a numerically generated data. regarding this, i...

Journal: :International Journal of Antennas and Propagation 2012

Journal: :رادار 0
نرگس زرنقی نقش ایاز قربانی حمیدرضا امین داور

in ultra-wideband (uwb) multistatic microwave breast cancer imaging, the long imaging time is an important issue. in this paper, a novel imaging method for multistatic uwb radarbased microwave breast cancer imaging using sparse sampling has been proposed that significantly reduces the amount of data and imaging time. in this method, instead of measuring multistatic radar signals conventionally,...

B. Zakeri I. Kalantari

Polarimetric Synthetic Aperture Radar (Pol.-SAR) allows us to implement the recognition and classification of radar targets. This article investigates the arrangement of scatterers by SAR data and proposes a new Look-up Table of Region (LTR). This look-up table is based on the combination of (entropy H/Anisotropy A) and (Anisotropy A/scattering mechanism α), which has not been reported up now. ...

Journal: :Journal of magnetic resonance imaging : JMRI 2002
Bensheng Qiu Christopher J Yeung Xiangying Du Ergin Atalar Xiaoming Yang

PURPOSE To develop a novel endovascular heating source using a magnetic resonance (MR) imaging guidewire (MRIG) to deliver controlled microwave energy into the target vessel for thermal enhancement of vascular gene transfection. MATERIALS AND METHODS A 0.032-inch MRIG was connected to a 2.45-GHz microwave generator. We 1) calculated the microwave power loss along the MRIG, 2) simulated the po...

Journal: :amirkabir international journal of electrical & electronics engineering 2014
i. kalantari b. zakeri

polarimetric synthetic aperture radar (pol.-sar) allows us to implement the recognition and classification of radar targets. this article investigates the arrangement of scatterers by sar data and proposes a new look-up table of region (ltr). this look-up table is based on the combination of (entropy h/anisotropy a) and (anisotropy a/scattering mechanism α), which has not been reported up now. ...

2004
Varada Rajan Komanduri Ahmad Hoorfar Nader Engheta

In this paper, the probefed stacked patch antenna and the E-shaped patch with a parasitically coupled selfcomplementary element (ESCE) are designed and analyzed in wall proximity in order to study the effects of various wall parameters on the antenna’s radiation characteristics. In particular, the effect of different wall-antenna separations as well as different wall material properties on impe...

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