Search Results - "Helhel, S."

Fabrication of three‐dimensional printed rectangular waveguide T‐junction with in‐phase and equal power division by Genc, A., Goksu, T., Helhel, S.

“…Three‐dimensional (3D) printed rectangular waveguide T‐junction is presented with in‐phase and equal power division by means of iris and septum at 10–15 GHz…”
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EMI-shielding response of GO/Fe3O4/polypyrrole(PPy)/thermoplastic polyurethane (TPU) composites by Kaftelen-Odabaşı, H., Ruiz-Perez, F., Odabaşı, A., Helhel, S., López-Estrada, S.M., Caballero-Briones, F.

“…[Display omitted] In the present study, thermoplastic polyurethane was reinforced with GO/Fe3O4/PPy nanocomposites with varying GO:Fe3O4 ratio to develop…”
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Comparison of 900 and 1800 MHz Indoor Propagation Deterioration by Helhel, S.

“…The results of signal strength measurements and ray tracing model calculations of indoor propagation at 900 and 1800 MHz are presented. Corridors are being…”
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Assessment of occupational exposure to magnetic fields in high-voltage substations (154/34.5 kV) by Helhel, S., Ozen, S.

“…This work proposes the survey of magnetic field measurements taken in 154/31.5 kV substations in the city of Antalya for occupational exposure assessment. For…”
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ANALYSIS OF DUAL FREQUENCY CONFINED CAPACITIVELY COUPLED PLASMA AT LOW POWER by Helhel, S

“…Confined dual frequency hydrogen plasma discharge has been investigated with microwave interferometer method and radial profiles are taken by Abel inversion…”
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S Band Monopole Plasma Antenna Design and Beam Forming Application by Plasma Columns by Kocakusak, A., Helhel, S.

“…Although plasma-based antennas were first proposed a few decades ago, they have been increasingly attracting researchers in recent years with the developments…”
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Preparation of poly(2-chloroaniline) membrane and plasma surface modification by Kır, E., Oksuz, L., Helhel, S.

“…P2ClAn membranes were obtained from chemically synthesized poly(2-chloroaniline) (P2ClAn) by casting method. These membranes were cast from dimethyl formamide…”
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Preliminary Results of Near Field Microwave Imaging System for Dielectric Material by Menguc, E., Eren, M., Kocakusak, A., Helhel, S.

“…Microwave imaging (MWI) method refers to applications and technology that using electromagnetic radiation of frequencies anywhere between several hundred…”
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Investigation of Usage Possibility FMCW Radar for Non-Destructive Corrosion Detection in Building Structures by Eren, M., Menguc, E., Kocakusak, A., Helhel, S.

“…Assessing the residual life and durability of structures in the construction industry is a major concern, not only in dangerous earthquake situations but also…”
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Investigation of 3D Electromagnetic Field Distribution for Dynamic Polarization Diversity by Helhel, S., Goksu, H., Ozen, S.

“…Antenna selection based on polarization diversity and 3D electromagnetic field distribution is discussed. A survey of 3D electromagnetic field distribution at…”
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PLASMA DENSITY MEASUREMENTS OF CONFINED CAPACITIVELY COUPLED PLASMA BY MICROWAVE INTERFEROMETER AND ION ENERGY DISTRIBUTION FUNCTION METHODS by Helhel, S, Ellingboe, A R, Cerezci, O, Gaman, C

“…Measurements of hydrogen plasma density are made in a symmetric single frequency confined capacitively coupled plasma (C-CCP) RF system. Comparison is made…”
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Magnetic field risk analysis for employees and patients due to power transformers in hospital buildings by Ozen, S., Carlak, H. F., Colak, O. H., Helhel, S.

“…In this study, magnetic field levels are analysed for high power capacity transformers in hospital buildings. Measurements were taken in the inspection and…”
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Double-wedged Wollaston-type polarimeter design and integration to RTT150-TFOSC; initial tests, calibration, and characteristics by Helhel, S., Khamitov, I., Kahya, G., Bayar, C., Kaynar, S., Gumerov, R.

“…Photometric and spectroscopic observation capabilities of 1.5-m Russian–Turkish Telescope RTT150 has been broadened with the integration of presented…”
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TUY 40 Telescope Control System Based on LabVIEW by Dindar, M., Dindar, S., Kandemir, E., Bayar, C., Helhel, S., Ozisik, T.

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How n2 flow rate changes etching by Helhel, S.

“…Summary form only given. A gas flow rate is one of the main parameters affecting the discharge surface treatment. This is the nitrogen plasma coating…”
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A dual-wideband split-ring PIFA for wireless applications by Dokuzlar, E., Helhel, S., Basaran, S. C.

“…A compact dual-band planar inverted-F antenna (PIFA) working in the GPS (1572 MHz), DCS (1800 MHz) and WiMAX (3500 MHz) frequency bands is presented. The…”
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Investigation of DBD for wool fabric: depending on experimental parameters by Korkmaz, S., Oksuz, L., Helhel, S.

“…Summary form only given. The presence of scale on a wool fiber surface introduces a number of problems such as felting and a surface barrier to dyestuffs in…”
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Sterilization in Plaxy Glass tube by microwave by Helhel, S., Oksuz, L., Cerezci, O., Rad, A.Y.

“…Summary form only given. Microwave plasma was built to produce plasma in an axial direction. Plasma was initiated in a Plaxy Glass made vacuum tube using a…”
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An affect of the aperture length to aperture width ratio on broadband shielding effectiveness by Basyigit, I. B., Tosun, P. D., Ozen, S., Helhel, S.

“…The influence of an aperture area (between 2λ 2 and 11λ 2 ) on the Shielding Effectiveness of metallic enclosures has been measured in an anechoic chamber, and…”
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Generation of an empiric propagation model for forest environment at GSM900/GSM1800/CDMA2100 by Bitirgan, M., Yoruk, Y. E., Celik, S., Kurnaz, O., Helhel, S., Ozen, S.

“…This paper presents how to obtain an empiric propagation model in forest area by using both reference open area and field measurements. Empiric models for GSM…”
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