Search Results - "Arima, Takuji"

Single-Cut Near-Field Far-Field Transformation Technique Employing Two-Dimensional Plane-Wave Expansion by Omi, Shuntaro, Uno, Toru, Arima, Takuji

“…A single-cut near-field (NF) far-field transformation technique is proposed for antenna measurements, which utilizes a two-dimensional (2-D) plane-wave…”
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Reconstruction of Internal Field of Dielectric Objects for Noninvasive SAR Measurement Using Boundary Integral Equation by Omi, Shuntaro, Uno, Toru, Arima, Takuji, Wiart, Joe

“…Reconstruction of the electromagnetic (EM) fields inside a dielectric object is investigated in order to develop a noninvasive specific absorption rate…”
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Analytical Equations for Designing Meander Line Antennas by Hlaing, Ngu War, Kamardin, Kamilia, Yamada, Yoshihide, Arima, Takuji, Takahashi, Masaharu, Michishita, Naobumi

“…Meander Line Antenna (MLA) is widely employed in compact electronic devices, such as cellular phones and WLAN terminals, owing to its electrically small size…”
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FDTD modeling of nonperiodic antenna located above metasurface using surface impedance boundary condition by Uno, Toru, Arima, Takuji, Kurahara, Akihide

“…This paper investigates an FDTD modeling method for precisely calculating the characteristics of a single, that is, a nonperiodic antenna located above a…”
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Experimental verification of spoof surface plasmons in wire metamaterials by Kushiyama, Yujiro, Arima, Takuji, Uno, Toru

“…In this paper, we experimentally demonstrate the excitation of spoof surface plasmon polaritons (SPPs) on a wire-medium metamaterial slab in the microwave…”
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Recall accuracy of mobile phone calls among Japanese young people by Kiyohara, Kosuke, Wake, Kanako, Watanabe, Soichi, Arima, Takuji, Sato, Yasuto, Kojimahara, Noriko, Taki, Masao, Yamaguchi, Naohito

“…This study aimed to elucidate the recall accuracy of mobile phone calls among young people using new software-modified phone (SMP) technology. A total of 198…”
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Carbon Heating Tube Used for Rapid Heating System by Sameshima, Toshiyuki, Miyazaki, Tomoyoshi, Kobayashi, Go, Arima, Takuji, Kikuchi, Toshitaka, Uehara, Takuma, Sugawara, Takashi, Hasumi, Masahiko, Serizawa, Izumi

“…We report a microwave heating system with a carbon heating tube (CHT) which was made by a 4-mm diameter quartz tube filled with carbon particles and Ar gas at…”
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Computational modeling of temperature elevation and thermoregulatory response in the brains of anesthetized rats locally exposed at 1.5 GHz by Hirata, Akimasa, Masuda, Hiroshi, Kanai, Yuya, Asai, Ryuichi, Fujiwara, Osamu, Arima, Takuji, Kawai, Hiroki, Watanabe, Soichi, Lagroye, Isabelle, Veyret, Bernard

“…The dominant effect of human exposures to microwaves is caused by temperature elevation ('thermal effect'). In the safety guidelines/standards, the specific…”
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Exposure Evaluation of an Actual Wireless Power Transfer System for an Electric Vehicle With Near-Field Measurement by Chakarothai, Jerdvisanop, Wake, Kanako, Arima, Takuji, Watanabe, Soichi, Uno, Toru

“…In this paper, we propose an experimental approach for determining the internal electric field for exposure evaluation of wireless power transfer (WPT) systems…”
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Meta-surface modeling method in FDTD analysis by introducing surface impedance boundary conditions by Arima, Takuji, Uno, Toru

“…In recent years, Metamaterials are widely developed. Especially, EBG and AMC are often utilized to antenna engineering. EBG and AMC are called as Meta-surface…”
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Differential-Type CRLH Leaky-Wave Antenna Using Stepped Impedance Resonators by Kushiyama, Yujiro, Arima, Takuji, Uno, Toru

“…A composite right/left-handed (CRLH) leaky-wave antenna (LWA) using a stepped impedance resonator (SIR) is presented. By applying the SIR technique to a…”
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Intensity-dependent Temperature Rise Induced by Local Exposure to 26.5 GHz Quasi-Millimeter-Wave in Rat by IJIMA, ETSUKO, LI, KUN, HIKAGE, TAKASHI, NAGAI, AKIKO, MURAKAMI, YASUTAKA, ARIMA, TAKUJI, ISHITAKE, TATSUYA, MASUDA, HIROSHI

“…The widespread use of fifth-generation 5G millimeter-waves (MMW) generates concern about potential adverse health effects. The latest international guidelines…”
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Influence of Car Body for Car Window Antenna by Ogawa, Tetsuya, Uno, Toru, Arima, Takuji, Kushiyama, Yujiro, Kagaya, Osamu

“…In this paper, we examine the influence of the car body on the antenna characteristics required for car window antenna design. In order to investigate the…”
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Internal Electric Field Reconstruction and SAR Estimation of In-Body Antenna Using Inverse Equivalent Current Method by Mohd Baharin, Rasyidah Hanan, Omi, Shuntaro, Uno, Toru, Arima, Takuji

“…In this article, we reconstruct the internal electric field due to a dipole antenna embedded in a dielectric phantom for developing a noninvasive specific…”
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Near-Field Far-Field Transformation Utilizing 2-D Plane-Wave Expansion for Monostatic RCS Extrapolation by Omi, Shuntaro, Uno, Toru, Arima, Takuji, Fujii, Takao, Kushiyama, Yujiro

“…Near-field far-field transformation (NFFFT) is a common solution to the huge costs associated with the radar cross section (RCS) measurements. One such NFFFT…”
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Multiphysics and Thermal Response Models to Improve Accuracy of Local Temperature Estimation in Rat Cortex under Microwave Exposure by Kodera, Sachiko, Gomez-Tames, Jose, Hirata, Akimasa, Masuda, Hiroshi, Arima, Takuji, Watanabe, Soichi

“…The rapid development of wireless technology has led to widespread concerns regarding adverse human health effects caused by exposure to electromagnetic…”
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Long-term recall accuracy for mobile phone calls in young Japanese people: A follow-up validation study using software-modified phones by Kiyohara, Kosuke, Wake, Kanako, Watanabe, Soichi, Arima, Takuji, Sato, Yasuto, Kojimahara, Noriko, Taki, Masao, Cardis, Elisabeth, Yamaguchi, Naohito

“…This study examined changes in recall accuracy for mobile phone calls over a long period. Japanese students’ actual call statuses were monitored for 1 month…”
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Calculation of coupling factor for kHz-band wireless power transfer system using numerical human models by Aoki, Yuhei, Arima, Takuji, Uno, Toru, Chakarothai, Jerdvisanop, Wake, Kanako, Fujii, Katsumi, Watanabe, Soichi

“…We have calculated the induced electric field strength in various human models exposed to wireless power transfer (WPT) system operating in kHz-band…”
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A new extrapolation expression for exposure evaluation inside a human-equivalent liquid phantom in the vicinity of wireless power transfer systems by Shimoyama, Satoshi, Chakarothai, Jerdvisanop, Wake, Kanako, Arima, Takuji, Watanabe, Soichi, Uno, Toru

“…To ensure human safety against electromagnetic exposures from wireless power transfer (WPT) systems operating at MHz-band frequencies, a compliance test must…”
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A reflection reduction of the digital terrestrial broadcasting wave using the solar cell module by Hatakeyama, Kazunori, Takahashi, Masaharu, Uno, Toru, Arima, Takuji, Kurokawa, Kosuke

“…In the past few years, there has been a focus on clean energy and the installation of solar cell modules on the walls of high‐rise structures such as…”
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