Search Results - "Mase, Atsushi"
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Special Issue on Development and Applications of Microwave/Millimeter Wave Diagnostics in Industry
Published in Applied sciences (01-01-2023)“…Microwave/millimeter wave devices and systems have been developed as core technologies in the fields of communication and measurement [...]…”
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Imaging Diagnostics of Inside of a Building Wall Using Millimeter-Wave Reflectometer
Published in Applied sciences (01-03-2022)“…Progress in microwave and millimeter-wave technologies has enabled advanced diagnostics for industrial applications. The transmission, reflection, scattering…”
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Visualizing Small Objects Using Amplitude-Modulated Laser Light at Microwave Frequencies
Published in Applied sciences (29-09-2022)“…We reported on laboratory imaging experiments conducted using a system that utilizes amplitude-modulated infrared laser light at microwave frequencies. With…”
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Measurement of heart rate variability and stress evaluation by using microwave reflectometric vital signal sensing
Published in Review of scientific instruments (01-09-2010)“…In this paper, we present two robust signal processing techniques for stress evaluation using a microwave reflectometric cardiopulmonary sensing instrument…”
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Capacitive/inductive compensation factor in coupled lines wilkinson power divider design
Published in Microwave and optical technology letters (01-12-2016)“…ABSTRACT In this article, two coupled line sections are taken place transmission lines for miniaturization in Wilkinson power divider. A general compensation…”
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Synthetic aperture radar using ultra-wideband microwave-modulated laser
Published in Journal of electromagnetic waves and applications (24-07-2014)“…Ultra-wideband microwave-modulated laser radar is designed and fabricated for the improvement of spatial resolution both in the range and in the azimuth…”
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Development of the calibration method for the multi-channel sea-tide measurement radar
Published in 2020 6th International Conference on Engineering, Applied Sciences and Technology (ICEAST) (01-07-2020)“…We studied the calibration method for the sea-tide level multi-channel measurement radar. The sea-tide level is estimated by the increment rate of the phase in…”
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Conference Proceeding -
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Wilkinson Power Divider With Complex Isolation Component and Its Miniaturization
Published in IEEE transactions on microwave theory and techniques (01-03-2014)“…By adding a complex isolation component between two 90 ° transmission lines at an arbitrary phase angle from the input terminal, a small Wilkinson power…”
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Profile Reconstruction Methods for Pulse Reflectometry
Published in Japanese Journal of Applied Physics (01-07-2001)“…We present an analysis of the time delay methods of plasma profile reconstruction applied to ultra-short pulse (USP) reflectometry. As the instantaneous…”
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Microwave Reflectometry of Turbulence Spectrum in Tokamak Plasmas
Published in Japanese Journal of Applied Physics (01-05-2005)“…The recently proposed method of plasma turbulence spectrum measurements in tokamaks by means of conventional microwave reflectometry is extended to the case of…”
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Effect of plasma profile curvature on microwave scattering in reflectometry
Published in Journal of the Physical Society of Japan (01-05-2002)“…The results of analytical solution of the time-dependent 2D full wave equation in cylindrical coordinates are presented here with application to plasma…”
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MTUW-GAN: A Multi-Teacher Knowledge Distillation Generative Adversarial Network for Underwater Image Enhancement
Published in Applied sciences (01-01-2024)“…Underwater imagery is plagued by issues such as image blurring and color distortion, which significantly impede the detection and operational capabilities of…”
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Development of Millimeter-Wave Planar Antennas Using Low-Loss Materials
Published in Japanese Journal of Applied Physics (01-10-2010)“…As the importance of advanced millimeter-wave diagnostics increases, the fabrication of high-performance devices and components becomes essential. In this…”
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Application of Orthogonal Wavelet Decomposition to Plasma Fluctuation Study
Published in Japanese Journal of Applied Physics (15-11-1999)“…Multi-scale analysis of plasma fluctuations in fusion devices is performed using wavelet decomposition over the orthogonal compactly supported basis of…”
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Lightweight Super-Resolution Reconstruction Vision Transformers of Remote Sensing Image Based on Structural Re-Parameterization
Published in Applied sciences (01-01-2024)“…In recent times, remote sensing image super-resolution reconstruction technology based on deep learning has experienced rapid development. However, most…”
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Temperature anisotropy measurement using diamagnetic loop array
Published in Japanese Journal of Applied Physics (01-07-1992)“…The anisotropy of the ion distribution function in the velocity space is observed in the ion cyclotron range of frequency heating experiments on the tandem…”
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Development and Calibration of a Prototype Radar for Sea-Tide Level Measurement
Published in 2018 International Conference on Engineering, Applied Sciences, and Technology (ICEAST) (01-07-2018)“…We developed a prototype radar for sea-tide level measurement. The radar was evaluated in a laboratory room. It was confirmed that the radar could detect the…”
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Conference Proceeding -
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2D-Unitary ESPRIT Based Multi-Target Joint Range and Velocity Estimation Algorithm for FMCW Radar
Published in Applied sciences (01-09-2023)“…Millimeter-wave FMCW radar has been widely used in joint range-velocity estimation of multiple targets. However, most existing algorithms are unable to…”
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Application of Wavelet Analysis to Plasma Fluctuation Study on GAMMA 10
Published in Japanese Journal of Applied Physics (01-08-1998)“…A time-frequency analysis of plasma turbulence is performed for the GAMMA10 tandem mirror plasma. The method is based on the decomposition of the reflectometer…”
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Journal Article