Search Results - "Wakamori, K."

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  1. 1

    Experiment on Regional Broadband Network Using Free-Space-Optical Communication Systems by Wakamori, K., Kazaura, K., Oka, I.

    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
  2. 2

    Combined use of sentinel-1, sentinel-2 and Landsat 7 & 8 data for estimating heading date of rice with different culm lengths by Wakamori, K., Ichikawa, D.

    “…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
  3. 3

    The Combined Use of Sentinel-1, Sentinel-2 and Landsat 7&8 Data for Estimating Heading Date of Paddy Rice by Wakamori, K., Ichikawa, D.

    “…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
  4. 4

    Development of 10-days composite NDVI image for Asia using Suomi NPP EDR data by Ichikawa, D., Wakamori, K.

    “…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
  5. 5

    Transmission Analysis of OFDM-Based Services Over Line-of-Sight Indoor Infrared Laser Wireless Links by Kolev, D. R., Wakamori, K., Matsumoto, M.

    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
  6. 6

    A Universal Platform for Ubiquitous Wireless Communications Using Radio Over FSO System by Pham Tien Dat, Bekkali, A, Kazaura, K, Wakamori, K, Matsumoto, M

    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
  7. 7

    Performance Analysis of CDMA-Based Wireless Services Transmission Over a Turbulent RF-on-FSO Channel by Ben Naila, C, Bekkali, A, Wakamori, K, Matsumoto, M

    “…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
  8. 8

    The Integrated Use of Landsat, Sentinel-2 and PlanetScope Satellite Data for Crop Monitoring by Ichikawa, D., Wakamori, K.

    “…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
  9. 9

    Estimation of rice growth status, protein content and yield prediction using multi-satellite data by Wakamori, K., Ichikawa, D., Oguri, N.

    “…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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    Conference Proceeding
  10. 10
  11. 11

    Agricultural monitoring using multi-satellite data by Ichikawa, D., Wakamori, K., Oguri, N.

    “…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
  12. 12

    Bit error rate performance analysis of optical CDMA time-diversity links over gamma-gamma atmospheric turbulence channels by Peng Liu, Xueying Wu, Wakamori, K, Pham, T D, Alam, M S, Matsumoto, M

    “…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. 13

    Compression curve of aluminium hydride by WAKAMORI, K, SUGIURA, H, YAMADAYA, H, SAWAOKA, A

    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
  14. 14

    Transmission Analysis of CDMA-Based Wireless Services over Turbulent Radio-on-FSO Links Using Aperture Averaging by Ben Naila, Chedlia, Bekkali, A., Wakamori, K., Matsumoto, M.

    “…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
  15. 15

    Identification of paddy fields in Northern Japan using RapidEye images by Ichikawa, D., Wakamori, K., Suzuki, M.

    “…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
  16. 16

    SPAD value estimate of the growth process of rice by DMC satellite data by Wakamori, K., Ichikawa, D., Suzuki, M.

    “…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
  17. 17

    Estimation and monitoring of rice growth stages in northern part of Japan using constellation satellite and GIS by Wakamori, K., Ichikawa, D., Niimi, R., Suzuki, M.

    “…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
  18. 18

    Non-directed indoor optical wireless network with a grid of direct fiber coupled ceiling transceivers for wireless epon connectivity by Kolev, D., Kubo, T., Yamada, T., Yoshimoto, N., Wakamori, K.

    “…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
  19. 19

    Gigabit indoor laser communication system for a mobile user with MEMS mirrors and image sensors by Kolev, D. R., Wakamori, K., Matsumoto, M., Kubo, T., Yamada, T., Yoshimoto, N.

    “…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
  20. 20

    Hybrid line-of-sight indoor infrared laser wireless link with 10Gbps downlink and 1Gbps uplink by Kolev, D. R., Matsumoto, M., Wakamori, K., Kubo, T., Yamada, T., Yoshimoto, N.

    “…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