To shorten time required for measuring a position and speed of a spacecraft.SOLUTION: In a measurement device, a first measurement part 320 measures a distance and a distance change rate between a spacecraft and a ground station on the basis of a communication signal transmitted between the spacecraft and the ground station. A second measurement part 330 measures a distance change rate between the spacecraft and a navigation satellite on the basis of a navigation signal received by the spacecraft from the navigation satellite. A position speed calculation part 340 calculates a position and speed of the spacecraft on the basis of the distance and the distance change rate measured by the first measurement part 320 and the distance change rate measured by the second measurement part 330.SELECTED DRAWING: Figure 2

    【課題】宇宙機の位置及び速度の計測に要する時間を短縮する。【解決手段】計測装置において、第1の計測部320は、宇宙機と地上局との間で送信された通信信号に基づいて、宇宙機と地上局との間の距離及び距離変化率を計測する。第2の計測部330は、宇宙機が航法衛星から受信した航法信号に基づいて、宇宙機と航法衛星との間の距離変化率を計測する。位置速度計算部340は、第1の計測部320により計測された距離及び距離変化率と、第2の計測部330により計測された距離変化率と、に基づいて、宇宙機の位置及び速度を計算する。【選択図】図2


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    Titel :

    MEASUREMENT DEVICE, MEASUREMENT SYSTEM, MEASUREMENT METHOD AND PROGRAM


    Weitere Titelangaben:

    計測装置、計測システム、計測方法及びプログラム


    Beteiligte:
    IWAMOTO TAKASHI (Autor:in) / KITAMURA KENJI (Autor:in)

    Erscheinungsdatum :

    2022-08-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G01S RADIO DIRECTION-FINDING , Funkpeilung



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