Study of a Bistatic Radar System Using VLBI Technologies for Detecting Space Debris and the Experimental Verification of its Validity |
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| Authors: | Masanobu Yajima Kazutomo Tsuchikawa Toshiyuki Murakami Kazuyoshi Katsumoto Tadashi Takano |
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| Institution: | (1) Japan Aerospace Exploration Agency, 2-1-1, Sengen, Tsukuba 305-8505, Japan;(2) Denso Corporation, 1-1, Showa-cho, Kariya 448-8661, Japan;(3) Oki Telecommunication Systems Co., Ltd, 1-16-8, Chuo, Warabi 335-8510, Japan;(4) Tokyo Electric Power Company, Inc, 2-15-10, Goi-higashi, Ichihara 290-0055, Japan;(5) Japan Aerospace Exploration Agency, 3-1-1 Yoshino-dai, Sagamihara 229-8510, Japan |
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| Abstract: | Space debris are increasing around the Earth. The observation of space debris is a key issue for the investigation and monitoring
of space environment. But the observation opportunities and the detection ability are limited in existing monostatic radar
systems. This paper proposes a bistatic radar which is composed of a transmitting station and a receiving-only station. A
carrier wave modulated by PN-PSK signals is used in combination with a VLBI (Very Long Baseline Interferometry) recorder for
range measurement between space debris and stations. The receiving radio wave is processed on the basis of VLBI techniques.
Accordingly, the system is shown to have significant advantages over a monostatic radar. We actually formed a bistatic radar
system, and observed a satellite in order to experimentally verify the validity. The configuration of the system, data analysis
and the experimental results are described. |
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| Keywords: | bistatic radar receiving-only station space debris VLBI techniques |
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