-
1.发明申请METHOD OF DETECTING INTERFERENCE IN A SATELLITE RADIO-NAVIGATION SIGNAL BY DETECTING A DEFORMATION OF THE CORRELATION FUNCTION 有权通过检测相关函数的变形来检测卫星无线电导航信号中的干扰的方法公开(公告)号：US20150117500A1
公开(公告)日：2015-04-30
申请号：US14526396
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
摘要： Method of detecting interference in a satellite radio-navigation signal, characterized in that it comprises the following steps:Calculating an item of information representative of the slope of the correlation function correlating the said signal with a local spreading code, the said correlation function having substantially the theoretical form of an isosceles triangle, the said slope being estimated on any one of the equal-length sides of the said isosceles triangle; andComparing the said item of information with a detection threshold configured at least as a function of a target signal-to-noise ratio.
摘要翻译： 一种检测卫星无线电导航信号中的干扰的方法，其特征在于包括以下步骤：计算表示将所述信号与局部扩展码相关的相关函数的斜率的信息项，所述相关函数基本上 等腰三角形的理论形式，所述斜率估计在所述等腰三角形的等长边的任何一侧上; 以及将所述信息项目与至少配置为目标信噪比的函数的检测阈值进行比较。
-
2.发明申请公开(公告)号：US20150117501A1
公开(公告)日：2015-04-30
申请号：US14526405
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
摘要： Method of detecting interference in a satellite radio-navigation signal determines the temporal position for which the correlation between the signal and a local spreading code offset by the position is maximum, calculating an information item representative of the intercorrelation between a first measurement of the correlation of the signal with a local spreading code at a first temporal position advanced relative to the temporal position of the maximum by a duration greater than the duration of a slot of the spreading code and a second measurement of the correlation of the signal with a local spreading code at a second temporal position delayed relative to the temporal position of the maximum by a duration greater than the duration of a slot of the spreading code, and comparing the item with a detection threshold configured at least as a function of the ratio of the powers of the signal and of the interference.
摘要翻译： 检测卫星无线电导航信号中的干扰的方法确定信号与由该位置偏移的局部扩展码之间的相关性最大的时间位置，计算代表第一次相关性测量之间的相互关系的信息项 具有在第一时间位置处的局部扩展码的信号相对于最大值的时间位置前进超过扩展码的时隙的持续时间的持续时间，以及信号与局部扩展码的相关性的第二测量 在相对于所述最大值的所述时间位置延迟持续时间大于所述扩展码的时隙的持续时间的第二时间位置处，以及将所述项目与至少配置为根据所述扩展码的时隙的比率的函数的检测阈值进行比较 信号和干扰。
-
公开(公告)号：US20140368380A1
公开(公告)日：2014-12-18
申请号：US13916455
申请日：2013-06-12
申请人： THALES
发明人： Marc Revol , Pierre Bouniol , David Pietin
CPC分类号： G01S19/09 , G01S5/0036 , G01S5/0054 , G01S19/21 , G01S19/215 , H04K3/22 , H04K3/65 , H04K3/90
摘要： Station for receiving satellite radio navigation signals having first wideband transmission means that are suited to receiving a specific signal transmitted by a transmitter/receiver and extracting therefrom at least one user radio navigation signal, first centralized signal processing means that are suited to determining a measurement of pseudo distance and centralized calculation means for calculating navigation information (PVT), the reception station having a first reference channel for receiving radio navigation signals having a directional antenna for forming a channel, second means for processing the radio navigation signal received by said directional antenna for forming a channel and a calculation unit that is suited to performing an improvement in reliability, an integrity check and authentication of said navigation information (PVT).
摘要翻译： 用于接收卫星无线电导航信号的站，具有适于接收由发射机/接收机发送的特定信号的第一宽带传输装置，并从中提取至少一个用户无线电导航信号;第一集中式信号处理装置，适于确定测量 用于计算导航信息（PVT）的伪距离和集中计算装置，具有用于接收具有用于形成信道的定向天线的无线电导航信号的第一参考信道的接收站，用于处理由所述定向天线接收的无线电导航信号的第二装置， 形成适于提高可靠性的通道和计算单元，对所述导航信息（PVT）进行完整性检查和认证。
-
公开(公告)号：US09423501B2
公开(公告)日：2016-08-23
申请号：US13916455
申请日：2013-06-12
申请人： THALES
发明人： Marc Revol , Pierre Bouniol , David Pietin
CPC分类号： G01S19/09 , G01S5/0036 , G01S5/0054 , G01S19/21 , G01S19/215 , H04K3/22 , H04K3/65 , H04K3/90
摘要： Station for receiving satellite radio navigation signals having first wideband transceiver for receiving a specific signal transmitted by a transmitter/receiver and extracting therefrom at least one user radio navigation signal, a first centralized configured for determining a measurement of pseudo distance and a centralized calculator for calculating navigation information (PVT), the reception station having a first reference channel for receiving radio navigation signals having a directional antenna for forming a channel, a second processor for processing the radio navigation signal received by the directional antenna for forming a channel and a calculation unit that is suited to performing an improvement in reliability, an integrity check and authentication of the navigation information (PVT).
摘要翻译： 用于接收具有第一宽带收发器的卫星无线电导航信号的站，用于接收由发射机/接收机发送的特定信号并从中提取至少一个用户无线电导航信号，第一集中式被配置用于确定伪距离的测量，以及用于计算的集中式计算器 导航信息（PVT），具有用于接收具有用于形成信道的定向天线的无线电导航信号的第一参考信道的接收站，用于处理由定向天线接收的用于形成信道的无线电导航信号的第二处理器和计算单元 适合进行可靠性的提高，导航信息（PVT）的完整性检查和认证。
-
5.发明授权Method of detecting interference in a satellite radio-navigation signal based on the monitoring of a temporal correlation coefficient 有权基于对时间相关系数的监视来检测卫星无线电导航信号中的干扰的方法公开(公告)号：US09287923B2
公开(公告)日：2016-03-15
申请号：US14526405
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
摘要： Method of detecting interference in a satellite radio-navigation signal determines the temporal position for which the correlation between the signal and a local spreading code offset by the position is maximum, calculating an information item representative of the intercorrelation between a first measurement of the correlation of the signal with a local spreading code at a first temporal position advanced relative to the temporal position of the maximum by a duration greater than the duration of a slot of the spreading code and a second measurement of the correlation of the signal with a local spreading code at a second temporal position delayed relative to the temporal position of the maximum by a duration greater than the duration of a slot of the spreading code, and comparing the item with a detection threshold configured at least as a function of the ratio of the powers of the signal and of the interference.
摘要翻译： 检测卫星无线电导航信号中的干扰的方法确定信号与由该位置偏移的局部扩展码之间的相关性最大的时间位置，计算代表第一次相关性测量之间的相互关系的信息项 具有在第一时间位置处的局部扩展码的信号相对于最大值的时间位置前进超过扩展码的时隙的持续时间的持续时间，以及信号与局部扩展码的相关性的第二测量 在相对于所述最大值的所述时间位置延迟持续时间大于所述扩展码的时隙的持续时间的第二时间位置处，以及将所述项目与至少配置为根据所述扩展码的时隙的比率的函数的检测阈值进行比较 信号和干扰。
-
公开(公告)号：US09798013B2
公开(公告)日：2017-10-24
申请号：US14526414
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
IPC分类号： G01S19/21 , G01S19/22 , H04B1/711 , H04B1/7097
CPC分类号： G01S19/21 , G01S19/22 , H04B1/7097 , H04B1/711
摘要： Method of detecting interference in a satellite radio-navigation signal, characterized in that it comprises the following steps: determining a first temporal position for which the correlation between the said signal and a local spreading code, offset by the said position, is maximum; determining a plurality of measurements of correlation between the said signal and a local spreading code offset by a plurality of secondary temporal positions, the said plurality of secondary temporal positions and the said first temporal position being regularly spaced; determining, for a plurality of correlation measurement pairs formed by two measurements at two consecutive temporal positions, the phase difference between the two correlation measurements of the said pair; calculating an item of information representative of the standard deviation of the said phase difference; and comparing the said item of information with a detection threshold configured at least as a function of the ratio of the powers of the signal and of the interference.
-
7.发明授权Method of detecting interference in a satellite radio-navigation signal by detecting a deformation of the correlation function 有权通过检测相关函数的变形来检测卫星无线电导航信号中的干扰的方法公开(公告)号：US09166649B2
公开(公告)日：2015-10-20
申请号：US14526396
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
摘要： A method of detecting interference in a satellite radio-navigation signal, calculates an item of information representative of the slope of the correlation function correlating the said signal with a local spreading code. The correlation function has substantially the theoretical form of an isosceles triangle, with the slope being estimated on any one of the equal-length sides of the isosceles triangle. The method further includes comparing the item of information with a detection threshold configured at least as a function of a target signal-to-noise ratio.
摘要翻译： 一种检测卫星无线电导航信号中的干扰的方法，计算表示将所述信号与局部扩展码相关的相关函数的斜率的信息项。 相关函数具有基本上等腰三角形的理论形式，其斜率估计在等腰三角形的等长边的任何一侧上。 该方法还包括将信息项与至少根据目标信噪比的函数配置的检测阈值进行比较。
-
公开(公告)号：US20150116149A1
公开(公告)日：2015-04-30
申请号：US14526414
申请日：2014-10-28
申请人： THALES
发明人： Marc Revol , David Pietin
IPC分类号： G01S19/21
CPC分类号： G01S19/21 , G01S19/22 , H04B1/7097 , H04B1/711
摘要： Method of detecting interference in a satellite radio-navigation signal, characterized in that it comprises the following steps: determining a first temporal position for which the correlation between the said signal and a local spreading code, offset by the said position, is maximum; determining a plurality of measurements of correlation between the said signal and a local spreading code offset by a plurality of secondary temporal positions, the said plurality of secondary temporal positions and the said first temporal position being regularly spaced; determining, for a plurality of correlation measurement pairs formed by two measurements at two consecutive temporal positions, the phase difference between the two correlation measurements of the said pair; calculating an item of information representative of the standard deviation of the said phase difference; and comparing the said item of information with a detection threshold configured at least as a function of the ratio of the powers of the signal and of the interference.
摘要翻译： 一种检测卫星无线电导航信号中的干扰的方法，其特征在于包括以下步骤：确定所述信号与由所述位置偏移的局部扩展码之间的相关性最大的第一时间位置; 通过多个辅助时间位置确定所述信号和本地扩展码偏移之间的相关性的多个测量值，所述多个辅助时间位置和所述第一时间位置是规则间隔的; 对于在两个连续时间位置处的两次测量形成的多个相关测量对，确定所述对的两个相关测量值之间的相位差; 计算表示所述相位差的标准偏差的信息项; 以及将所述信息项与至少根据所述信号的功率和所述干扰的比率的函数构成的检测阈值进行比较。
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.01 秒)
