Search Results - "Wakamori, K."
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Experiment on Regional Broadband Network Using Free-Space-Optical Communication Systems
Published in Journal of lightwave technology (01-11-2007)“…The transmission of a free-space optical (FSO) beam through the atmosphere is influenced by several factors: chief among them are weather conditions such as…”
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Journal Article -
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Combined use of sentinel-1, sentinel-2 and Landsat 7 & 8 data for estimating heading date of rice with different culm lengths
Published in IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium (26-09-2020)“…A crop growth monitoring system has been developed using satellite data Landsat-7, 8, Sentinel 2 A, B and PlanetScope. In this system, the sowing and heading…”
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Conference Proceeding -
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The Combined Use of Sentinel-1, Sentinel-2 and Landsat 7&8 Data for Estimating Heading Date of Paddy Rice
Published in IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (01-07-2018)“…The authors have developed monitoring system for rice growth status in the Tohoku region of Japan using satellite data. One of the important input parameters…”
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Conference Proceeding -
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Development of 10-days composite NDVI image for Asia using Suomi NPP EDR data
Published in 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) (01-07-2015)“…S-NPP VIIRS EDR data have been processed and 10-days composite NDVI images are generated. In the image processing procedure maximum value composite method has…”
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Conference Proceeding -
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Transmission Analysis of OFDM-Based Services Over Line-of-Sight Indoor Infrared Laser Wireless Links
Published in Journal of lightwave technology (01-12-2012)“…Radio-on-free space optical (RoFSO) communication systems are gaining popularity because of their ability to transmit simultaneously multiple radio frequency…”
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Journal Article -
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A Universal Platform for Ubiquitous Wireless Communications Using Radio Over FSO System
Published in Journal of lightwave technology (15-08-2010)“…In this paper, we present the design concept and performance evaluation results of a newly developed DWDM Radio over Free-Space Optics (RoFSO) system capable…”
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Journal Article -
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Performance Analysis of CDMA-Based Wireless Services Transmission Over a Turbulent RF-on-FSO Channel
Published in Journal of optical communications and networking (01-05-2011)“…This paper proposes a theoretical and experimental performance study to characterize the transmission of code-division-multiple-access-based wireless signals…”
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Journal Article -
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The Integrated Use of Landsat, Sentinel-2 and PlanetScope Satellite Data for Crop Monitoring
Published in IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (01-07-2018)“…The operational processing system was developed for Landsat-8, Sentinel-2 and PlanetScope satellite data to combined use for crop growth status monitoring. The…”
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Conference Proceeding -
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Estimation of rice growth status, protein content and yield prediction using multi-satellite data
Published in 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) (01-07-2017)“…By using the image data of Landsat 7, 8 and Sentinel 2A, authors monitored the rice growth and estimated chlorophyll content in leaves of rice at brand rice…”
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Agricultural monitoring using multi-satellite data
Published in 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) (01-07-2017)“…An automatic processing and analysis system using S-NPP, Sentinel-2 and Landsat-8 satellite data have been tested for Japan and rice paddy fields integrating…”
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Conference Proceeding -
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Bit error rate performance analysis of optical CDMA time-diversity links over gamma-gamma atmospheric turbulence channels
Published in 2011 IEEE Wireless Communications and Networking Conference (01-03-2011)“…When we use the free space optical(FSO) communication in the near-ground, it will be great influenced by the atmospheric turbulence. There are many studies on…”
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Conference Proceeding -
13
Compression curve of aluminium hydride
Published in Journal of materials science letters (01-04-1985)“…The purpose of this study was to measure the compression curve of aluminum hydride up to around 6.0 GPa for determining the thermodynamic parameters of…”
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Journal Article -
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Transmission Analysis of CDMA-Based Wireless Services over Turbulent Radio-on-FSO Links Using Aperture Averaging
Published in 2011 IEEE International Conference on Communications (ICC) (01-06-2011)“…In this paper, we study the performance of a Radio over Free-Space Optical (RoFSO) system for transmitting Code Division Multiple Access (CDMA) signals using…”
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Conference Proceeding -
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Identification of paddy fields in Northern Japan using RapidEye images
Published in 2014 IEEE Geoscience and Remote Sensing Symposium (01-07-2014)“…Agriculture fields located in northern part of Japan having vector polygons as paddy, non-paddy and uncultivated attributes were investigated to identify paddy…”
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Conference Proceeding -
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SPAD value estimate of the growth process of rice by DMC satellite data
Published in 2014 IEEE Geoscience and Remote Sensing Symposium (01-07-2014)“…An operational processing and analysis system for rice growth monitoring has been developed at Japan Manned Space Systems Corporation and Tokyo University of…”
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Conference Proceeding -
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Estimation and monitoring of rice growth stages in northern part of Japan using constellation satellite and GIS
Published in 2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS (01-07-2013)“…An operational processing and analysis system for rice growth monitoring has been developed at Japan Manned Space Systems Corporation and Tokyo University of…”
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Conference Proceeding -
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Non-directed indoor optical wireless network with a grid of direct fiber coupled ceiling transceivers for wireless epon connectivity
Published in 2013 Proceedings of ITU Kaleidoscope: Building Sustainable Communities (01-04-2013)“…In this paper we propose an optical wireless system for indoor communication with a grid of ceiling transceivers, based on direct fiber coupling technology…”
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Conference Proceeding -
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Gigabit indoor laser communication system for a mobile user with MEMS mirrors and image sensors
Published in 2012 International Workshop on Optical Wireless Communications (IWOW) (01-10-2012)“…In this paper we propose a novel indoor optical wireless system for personal area networks based on MEMS mirrors and image sensors. The tracking system allows…”
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Conference Proceeding -
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Hybrid line-of-sight indoor infrared laser wireless link with 10Gbps downlink and 1Gbps uplink
Published in 2013 2nd International Workshop on Optical Wireless Communications (IWOW) (01-10-2013)“…In this paper we present a hybrid indoor infrared laser wireless system with tracked 10Gbps downlink and non-directed 1Gbps uplink. We show a novel…”
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Conference Proceeding