Search Results - "Unal, Ilhami"

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    Investigations of electrical size effects on radar cross section for orthogonally distorted corner reflectors by Unal, Ilhami, Gulum, Taylan O., Bayramoglu, Evren C.

    Published in 2015 IEEE Radar Conference (RadarCon) (01-05-2015)
    “…In this paper, distorting effects of increasing electrical dimensions of triangular trihedral, circular trihedral and octahedral corner reflectors on radar…”
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    Conference Proceeding
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    Analysis of the electromagnetic field scattered by a spherical breast tumour model by Ünal, İlhami, Turetken, Bahattin, Bulus, Umut, Canbay, Cahit

    “…In this paper, a closed form solution is presented for the electromagnetic field scattered due to a lossy dielectric spherical tumour with arbitrary diameter,…”
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    Conference Proceeding
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    Microwave imaging of breast cancer tumor inside voxel-based breast phantom using conformal antennas by Unal, Ilhami, Turetken, Bahattin, Cotur, Yasin

    “…In this paper, contribution of spherically conformal ultra-wide band (UWB) bow-tie antennas on tumor detection capability of a radar-based UWB microwave…”
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    Conference Proceeding
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    Electrostatic Problem for Toroid Surfaces: Analytical Regularization by Tuchkin, Yury A., Panin, Sergey B., Efe, Ibrahim, Dikmen, Fatih, Unal, Ilhami, Poyedinchuk, Anatoly Ye

    “…The electrostatic problem described by the Laplace equation with Dirichlet boundary condition was rigorously and efficiently solved for closed and open…”
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    Conference Proceeding
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    Comparison of Free Space Measurement Using a Vector Network Analyzer and Low-Cost-Type THz-TDS Measurement Methods Between 75 and 325 GHz by Ozturk, Turgut, Morikawa, Osamu, Ünal, İlhami, Uluer, İhsan

    “…Specifications of two measurement systems, free space measurement using a vector network analyzer and low-cost-type terahertz time-domain spectroscopy using a…”
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    Journal Article
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    Materials classification by partial least squares using S-parameters by Ozturk, Turgut, Uluer, İhsan, Ünal, İlhami

    “…This paper presents a simple and usable algorithm, which is called Partial Least Squares, to classify the samples in different thicknesses and frequency range…”
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    Journal Article
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    Extracting the dielectric constant of materials using ABC-based ANNs and NRW algorithms by Ozturk, Turgut, Elhawil, Amna, Düğenci, Muharrem, Ünal, İlhami, Uluer, İhsan

    “…Five different Nicolson-Ross-Weir (NRW) extracting techniques are used to extract the dielectric constants of Teflon, Rexolite, Glass (borosilicate and…”
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    Journal Article
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    Statistical modeling of propagation channels for Terahertz band by Ekti, Ali Riza, Boyaci, Ali, Alparslan, Altan, Unal, Ilhami, Yarkan, Serhan, Gorcin, Ali, Arslan, Huseyin, Uysal, Murat

    “…Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the…”
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    Conference Proceeding
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    Investigations on millimeter wave detection of power lines from a safe distance by Unal, Ilhami, Eker, Sebahattin

    “…A millimeter wave obstacle detection system for helicopters is installed to observe the feasibility for the detection of power lines from a safe distance,…”
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    Conference Proceeding
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    A W band waveguide detector module using zero bias schowttky diode by Tekbas, Mustafa, Erdogan, Mustafa Sercan, Unal, Ilhami

    “…In this paper, it is aimed to design and realize a broad W-band and high sensitive waveguide detector module using a zero-bias schottky diode. The commercial…”
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    Conference Proceeding
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    Experimental studies based on classification of explosive and non-explosive liquids by Ozturk, Turgut, Sayinti, Aysun, Unal, Ilhami

    “…Nowadays, since the explosive liquids can easily be obtained by mixing simple substances, the electromagnetic methods developed for safety purposes have gained…”
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    Conference Proceeding
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    Millimeter-wave band radiometric imaging experiments for the detection of concealed objects by Isiker, Hakan, Ozdemir, Caner, Unal, Ilhami

    Published in 2015 IEEE Radar Conference (01-10-2015)
    “…In this work, we present radiometric images for several concealed object experiments that were measured at TUBITAK - Marmara Research Center (MRC) facilities…”
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    Conference Proceeding
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    An analysis for the use of compressed sensing method in microwave imaging by Yigit, Enes, Tekbas, Mustafa, Unal, Ilhami, Erdogan, Sercan, Caliskan, Cafer

    “…One of the most important problems encountered in microwave imaging methods is intensive data processing traffic that occurs when high resolution and real time…”
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    Conference Proceeding
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    Millimeter wave syntheziser for Josephson voltage standard system by Unal, Ilhami, Tekbas, Mustafa, Kaya, Adem, Ozturk, Tezgul Coskun

    “…In this study, a millimeter wave synthesizer operating between 69-71 GHz has been developed by TUBITAK Marmara Research Center using national sources for…”
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    Conference Proceeding
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    Statistical Modeling of Propagation Channels for Terahertz Band by Ekti, Ali Rıza, Boyacı, Ali, Alparslan, Altan, Unal, Ilhami, Yarkan, Serhan, Gorcin, Ali, Arslan, Huseyin, Uysal, Murat

    Published 31-07-2017
    “…Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the…”
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    Journal Article
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    Permittivity measurements for dielectric lens and dielectric rod antenna designs by Panin, Sergey B., Unal, Ilhami, Sayinti, Aysun, Ozturk, Turgut, Tekbas, Mustafa

    “…For dielectric materials being often utilized in quasi-optical components, the permittivity was evaluated by free-space method in W-band. The obtained…”
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    Conference Proceeding
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    Correction to: Materials classification by partial least squares using S-parameters by Ozturk, Turgut, Uluer, İhsan, Ünal, İlhami

    “…The original version of this article unfortunately published incorrectly in the definition of complex permittivity extraction given in the relation (5) of [1]…”
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    Journal Article
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    An auto‐classification procedure for concealed weapon detection in millimeter‐wave radiometric imaging systems by Isiker, Hakan, Unal, Ilianii, Tekbas, Mustafa, Ozdemir, Caner

    Published in Microwave and optical technology letters (01-03-2018)
    “…In this work, we developed and proposed an auto‐classification technique for concealed weapon detection (CWD) for passive millimeter‐wave (PMMW) imaging…”
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    Journal Article
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    Yay ölçüm sıstemınde malzemelerın frekansa bağli dıelektrık ve manyetık geçırgenlık değerlerının kestırılmesı by ÜNAL, İlhami, SAYINTI, Aysun, TÜRETKEN, Bahattin

    “…Bu çalışmada, elektromanyetik yöntemle malzeme karakterizasyonu için kullanılan yay (arch) ölçüm sisteminin 8-12 GHz frekans bandındaki ölçüm kabiliyetleri…”
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    Journal Article