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1.发明授权Calibration method and system for estimating a path difference of a target signal transmitted by a spacecraft or aircraft 有权用于估计由航天器或飞机发射的目标信号的路径差的校准方法和系统公开(公告)号：US09065530B2
公开(公告)日：2015-06-23
申请号：US14366633
申请日：2012-12-21
Applicant: ASTRIUM SAS
Inventor： Jean-Marc Aymes , Raphael Sanchez , Frederic Voulouzan
CPC classification number: H04B7/18519 , G01S5/021 , H04B7/08 , H04B17/21 , H04B17/27 , H04B17/309
Abstract: A method and system for estimating a path difference between two paths followed by a target signal transmitted by a spacecraft or aircraft to a first receiving antenna and a second receiving antenna of a receiving base, respectively. A useful-phase difference is measured between signals corresponding to the target signal received on the first receiving antenna and second receiving antenna. The path difference is estimated on the basis of the measurements of the useful-phase difference. A calibration signal is transmitted to the receiving base and a calibration phase difference between signals corresponding to the calibration signal received on the first receiving antenna and second receiving antenna is measured. Variations are compensated in the measurements of the calibration-phase difference relative to the measurements of the useful-phase difference.
Abstract translation: 一种方法和系统，用于分别估计由航天器或飞机发送到接收基座的第一接收天线和第二接收天线的目标信号之后的两个路径之间的路径差。 在与在第一接收天线和第二接收天线上接收的目标信号相对应的信号之间测量有用相位差。 基于有用相位差的测量来估计路径差。 校准信号被发送到接收基站，并且测量与在第一接收天线和第二接收天线上接收的校准信号相对应的信号之间的校准相位差。 在相对于有用相位差的测量的校准 - 相位差的测量中补偿变化。
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2.发明申请CALIBRATION METHOD AND SYSTEM FOR ESTIMATING A PATH DIFFERENCE OF A TARGET SIGNAL TRANSMITTED BY A SPACECRAFT OR AIRCRAFT 有权用于估计由飞机或飞机发射的目标信号的路径差异的校准方法和系统公开(公告)号：US20140362896A1
公开(公告)日：2014-12-11
申请号：US14366633
申请日：2012-12-21
Applicant: ASTRIUM SAS
Inventor： Jean-Marc Aymes , Raphael Sanchez , Frederic Voulouzan
CPC classification number: H04B7/18519 , G01S5/021 , H04B7/08 , H04B17/21 , H04B17/27 , H04B17/309
Abstract: A method and system for estimating a path difference between two paths followed by a target signal transmitted by a spacecraft or aircraft to a first receiving antenna and a second receiving antenna of a receiving base, respectively. A useful-phase difference is measured between signals corresponding to the target signal received on the first receiving antenna and second receiving antenna. The path difference is estimated on the basis of the measurements of the useful-phase difference. A calibration signal is transmitted to the receiving base and a calibration phase difference between signals corresponding to the calibration signal received on the first receiving antenna and second receiving antenna is measured. Variations are compensated in the measurements of the calibration-phase difference relative to the measurements of the useful-phase difference.
Abstract translation: 一种方法和系统，用于分别估计由航天器或飞机发送到接收基座的第一接收天线和第二接收天线的目标信号之后的两个路径之间的路径差。 在与在第一接收天线和第二接收天线上接收的目标信号相对应的信号之间测量有用相位差。 基于有用相位差的测量来估计路径差。 校准信号被发送到接收基站，并且测量与在第一接收天线和第二接收天线上接收的校准信号相对应的信号之间的校准相位差。 在相对于有用相位差的测量的校准 - 相位差的测量中补偿变化。
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公开(公告)号：US09602189B2
公开(公告)日：2017-03-21
申请号：US14366834
申请日：2012-12-21
Applicant: ASTRIUM SAS
Inventor： Jean-Marc Aymes , Raphael Sanchez , Frederic Voulouzan
CPC classification number: H04B7/18519 , G01S5/021 , H04B7/08 , H04B17/21 , H04B17/27 , H04B17/309
Abstract: A method and system for estimating a path-length difference between two paths followed by a target signal transmitted by a spacecraft or aircraft to a first receiving antenna and a second receiving antenna of a receiving base, respectively. A useful-phase difference is measured between signals that correspond to the target signal received by the first receiving antenna and second receiving antenna. The path-length difference is estimated in accordance with the useful-phase difference measurements. The measurement of the useful-phase difference comprises either correlating the signals received by the first receiving antenna and second receiving antenna, respectively, with a reference target signal, or analyzing the signals received by the first receiving antenna and second receiving antenna, respectively, using an FFT or a PLL.
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