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The requirements for Device Integration and the current status
Shinichi Motoyoshi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
"Device integration" is the one of the hot topics in the automation world. The technology wants to use the open digital field network as a base technology. This papter reviews the concept of "Device integration" and considers the next step.
Performance Evaluation on 3-D object recognition using a restricted neural network
Miyanaga, Yoshikazu,Motoyoshi, Katsuhito,Tochinai, Koji 대한전자공학회 1996 APCCAS:Asia Pacific Conference on Circuits And Sys Vol.1 No.1
This report introduces a new approach on a recognition system of three dimensional, i.e., 3D, objects. The proposed system is based on a restricted multi-layered neural network. For the performance evaluation of this network, the experiment in which some similar objects are used for recognition is demonstrated in this report.
R & D of Global Multimedia Mobile Satellite Communications on NeLS Project
Ohkawa, Mitsugu,Koyama, Yoshisada,Motoyoshi, Shigeru,Watanabe, Hiroshi,Morikawa, Eihisa,Suzuki, Ryutaro,Yasuda, Yasuhiko 통신위성우주산업연구회 2002 Joint Conference on Satellite Communications Vol.2002 No.-
Next-generation LEO System Research Center (NeLS) has carried out the key technology development of global multimedia mobile satellite communications. In Phase I we studied the system definition and developed key technologies such as on-board active phased array antenna with digital beam forming, optical antenna, optical modem, wavelength division multiplexing for optical inter-satellite link system, satellite network, and variable rate modulation. In Phase 2, we plan to verify the developed technology in Phase 1 on space. In this paper, we introduce the results of development in Phase 1.
Analysis of Contract Price in a B2B Automobile Auction
Namatame, Takashi,Asahi, Yumi,Motoyoshi, Natsuki,Saito, Yuzo Korean Institute of Industrial Engineers 2009 Industrial Engineeering & Management Systems Vol.8 No.4
This study analyzed the structure of pricing in the automobile auction market by using real trade data. We focused on the bidding behavior of bidders and the contract price of exhibits. First, we proposed a relational framework among exhibits, number of bidders, and the contract price. Next, we utilized a neural network model to estimate the number of bidders and the contract price. Subsequently, we investigated the relationship between the number of bidders and the contact price, and evaluated our method through an analysis that employed verifying data. Lastly, we listed our suggestions for bidding in auction markets.
Current Status of NeLS Project-A Study of Global Multimedia Mobile Satellite Communications
Suzuki, Ryutaro,Nishiyama, Iwao,Motoyoshi, Shigeru,Yasuda, Yasuhiko 통신위성우주산업연구회 2001 Joint Conference on Satellite Communications Vol.2001 No.-
NeLS Research Center was formed in the end of 1997, and started the key technology developments of the low earth orbit constellation system for global multimedia mobile satellite communications service. For the NeLS constellation, 120 satellites with 1200 km of satellite altitude, was selected. For the satellite antenna developments, the digital beam forming technology was employed. In order to reduce the SSPA power consumption and to keep good linearity, novel pre-distortion type and distortion feedback type linearizer were developed. For the optical ISL system, de optical modem and optical tracking mechanism were developed. The optical DPSK/differential detection modem was evaluated. For the optical antenna mechanism, Coude type, the elbow type and the active universal joint type of optical antenna mechanism were developed. For the satellite network study, the satellite ATM network simulator was developed.
Analysis of Contract Price in a B2B Automobile Auction
Takashi Namatame,Yumi Asahi,Natsuki Motoyoshi,Yuzo Saito 대한산업공학회 2009 Industrial Engineeering & Management Systems Vol.8 No.4
This study analyzed the structure of pricing in the automobile auction market by using real trade data. We focused on the bidding behavior of bidders and the contract price of exhibits. First, we proposed a relational framework among exhibits, number of bidders, and the contract price. Next, we utilized a neural network model to estimate the number of bidders and the contract price. Subsequently, we investigated the relationship between the number of bidders and the contact price, and evaluated our method through an analysis that employed verifying data. Lastly, we listed our suggestions for bidding in auction markets.