CEILOMETER
    5.
    发明专利

    公开(公告)号:JPS543584A

    公开(公告)日:1979-01-11

    申请号:JP6660678

    申请日:1978-06-02

    Applicant: ASEA AB

    Inventor: BERUNTO RINGU

    Abstract: Cloud altitude measurement is carried out in a step-by-step manner wherein the measuring distance is changed by a predetermined amount for each measurement step. First and second integrators respectively integrate reflected echo signals during respective first and second time intervals T1, T2 with T1

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