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Kurs ( Ukrainian and (ロシア語:Курс, ''Course'')) is a radio telemetry system used by the Soviet and later Russian space program. Kurs was developed by the Research Institute of Precision Instruments (NII TP, (ロシア語:НИИ Точных Приборов)) before 1985〔(NII TP history (in Russian) )〕 and manufactured by the Kiev Radio Factory ((ウクライナ語:Київський Радіозавод)). == History == Kurs was the successor to the Igla system and today provides navigation beaconing for Russian space vehicles including the Soyuz spacecraft and Progress spacecraft. Kurs provided the automated docking system for all Russian spacecraft that docked with the Mir space station.〔(National Space Agency of Ukraine / Kurs Research and Production Complex, Public Company )〕 When used for docking, the Soyuz or Progress vehicle broadcasts radar pulses from multiple antennas. The variation in strength between the antennas allows the system to compute relative position, attitude, and approach rate. The system is designed for automatic rendezvous and docking, but in an emergency cosmonauts may take command of the vehicle either locally, or from the International Space Station. After the dissolution of the Soviet Union in 1991, the Kurs system became the property of Ukraine; its manufacturer became a competitor in the space launch business with RKA. Due to hard-currency problems, Kiev also raised the price of the Kurs system. Consequently, RKA sought to phase out its use in its vehicles.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kurs (docking navigation system)」の詳細全文を読む スポンサード リンク
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