技術試験衛星VIII型（ETS-VIII） 定常段階移行前審査会 審査会資料

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• Japan Aerospace Exploration Agency
• ETS-VIII
• Free-space optical communication
• Quantum key distribution
• JERS-1
• ETS-VII
• Laser
• Satellite
• Artemis
• Spaceflight
• Japanese space program
• OICETS

6 Concluding Remarks YOSHINO Taizoh The Communications Research Laboratory has continued to play an active role in the development of Japan’s Engineering Test Satellite series, and has contributed to the

Source URL: www.nict.go.jp

• ETS-VIII
• ETS-VII
• Communications satellite
• Satellite
• Quasi-Zenith Satellite System
• Japanese space program
• Spaceflight
• Japan Aerospace Exploration Agency

7 Concluding Remarks TANAKA Masato In anticipation of trends and needs in satellite communications, the National Institute of Information and Communications Technology (NICT) has put forth many proposals for satellite mi

Source URL: www.nict.go.jp

• Technology
• Japan Aerospace Exploration Agency
• WINDS
• Communications satellite
• National Institute of Information and Communications Technology
• Satellite
• Internet access
• National Telecommunications and Information Administration
• ETS-VIII
• Japanese space program
• Spaceflight
• Japan

2 Overview of the Engineering Test Satellite VIII (ETS-VIII) Project HAMAMOTO Naokazu, YOSHIMOTO Shigetoshi, and IMAE Michito The Engineering Test Satellite VIII (ETS-VIII) project started from a conceptual design for a

Source URL: www.nict.go.jp

• Satellite navigation systems
• Avionics
• Geodesy
• Navigation
• Japan Aerospace Exploration Agency
• Communications satellite
• ETS-VIII
• Satellite
• H-II
• Spaceflight
• Technology
• Japanese space program

3-9 High Accuracy Clock (HAC) NODA Hiroyuki, SANO Kazuhiko, and HAMA Shin’ichi To obtain the basic technology of satellite positioning system, NASDA will conduct the experiments of ETS-VIII high accurate orbit determin

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• Quasi-Zenith Satellite System
• Global Positioning System
• Satellite navigation
• GLONASS
• Galileo
• Atomic clock
• Japan Aerospace Exploration Agency
• GIOVE
• Satellite geodesy
• Technology
• Satellite navigation systems
• Spaceflight

3-5 S-band Frequency Converter HASHIMOTO Yukio We developed the S-band converter for engineering test satellite VIII (ETS-VIII). The Sband converter consists of an IF-band switch network, frequency converters, and an S-b

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• Digital signal processing
• Satellite television
• Radio electronics
• Electromagnetism
• Electronic design
• Software-defined radio
• Delta-sigma modulation
• Electronic engineering
• Frequency changer
• Electrical engineering

3-6-3 Beam Forming Network MATSUMOTO Yasushi and IDE Toshiyuki A newly developed BFN (Beam Forming Network) for a phased array feed on ETS-VIII satellite is described. The BFN controls the excitation weight of the feed a

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• Radar
• Radio electronics
• Signal processing
• Antenna
• Reflector
• Phased array
• Beamforming
• Directional antenna
• Parabolic antenna
• Telecommunications engineering
• Electronic engineering
• Technology

4-2 S-band Earth Station for Mobile Communication YAMAMOTO Shin-ichi, OBARA Noriaki, and YAMAZAKI Ichiroh Engineering Test Satellite VIII (ETS-VIII) is scheduled for launch in the summer of[removed]The Communications Resea

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• Electronics
• Broadcasting
• Low-noise amplifier
• Antenna
• Link budget
• DBm
• Transmitter
• Satellite television
• Transponder
• Electronic engineering
• Technology
• Radio electronics

4-8-2 Time Comparison Equipment for ETS-VIII 4-8-2 — Data Processing, Analysis and Capability of Time Comparison — NAKAGAWA Fumimaru, IMAE Michito, TAKAHASHI Yasuhiro, KIUCHI Hitoshi, GOTOH Tadahiro, and FUJIEDA Miho

Source URL: www.nict.go.jp

• Navigation
• GPS
• Avionics
• Satellite navigation systems
• Error analysis for the Global Positioning System
• Global Positioning System
• Time transfer
• Satellite navigation
• Group delay and phase delay
• Technology
• Measurement
• Geodesy