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1. 发明申请

US20130321201A1 SYSTEMS AND METHODS FOR THE SELECTION OF ANTENNAS IN AIRCRAFT NAVIGATION SYSTEMS 有权
标题翻译：航空导航系统中选择天线的系统和方法
公开(公告)号：US20130321201A1
公开(公告)日：2013-12-05
申请号：US13486616
申请日：2012-06-01
申请人： John Savoy , Sidney Richard Strong , Alfonso Malaga , Anthony H. Luk
发明人： John Savoy , Sidney Richard Strong , Alfonso Malaga , Anthony H. Luk
IPC分类号： G01S3/02 , G01S1/44 , G01S5/04 , G01S19/47 , B64F1/18
CPC分类号： G01S19/25 , G01S3/72 , G01S19/15 , H01Q1/28 , H01Q3/24 , H04B7/0817 , H04B7/0834 , H04B7/088
摘要： Systems and methods for the selection of antennas in aircraft navigation systems are provided. In one embodiment, a navigation receiver system for an aircraft comprises: a first aircraft antenna that receives transmitter signals from fixed-location ground transmitters and a second aircraft antenna that receives transmitter signals from the fixed-location ground transmitters, wherein the first aircraft antenna has a first gain pattern that is different from a second gain pattern of the second aircraft antenna; a switch coupled to a first receiver and the first and second aircraft antenna; and a switch controller coupled to the switch. The switch controller operates the switch to electrically couple the first receiver to either the first or second aircraft antenna based on a determination of whether the first gain pattern or the second gain pattern provides higher gain in a direction of a first fixed-location ground transmitter of the fixed-location ground transmitters.
摘要翻译：提供了用于选择飞行器导航系统中的天线的系统和方法。在一个实施例中，用于飞行器的导航接收机系统包括：第一飞行器天线，其接收来自固定位置地面发射机的发射机信号;以及第二飞行器天线，其从所述固定位置地面发射机接收发射机信号，其中所述第一飞行器天线具有与第二飞行器天线的第二增益模式不同的第一增益模式; 耦合到第一接收器和第一和第二飞行器天线的开关; 以及耦合到开关的开关控制器。开关控制器操作开关以基于确定第一增益模式或第二增益模式是否在第一固定位置地面发射器的方向上提供较高增益来确定第一或第二飞行器天线的电耦合固定位置地面发射机。

2. 发明申请

US20120146837A1 RADAR ALTIMETER ANTENNA PERFORMANCE MONITORING VIA REFLECTED POWER MEASUREMENTS 有权
标题翻译：雷达测高仪天线性能监测通过反射功率测量
公开(公告)号：US20120146837A1
公开(公告)日：2012-06-14
申请号：US12964957
申请日：2010-12-10
申请人： David C. Vacanti , Anthony H. Luk
发明人： David C. Vacanti , Anthony H. Luk
IPC分类号： G01S13/08 , G01S7/40
CPC分类号： G01S13/882 , G01S7/4008 , G01S2007/4039
摘要： Systems and methods for radar altimeter antenna performance monitoring via reflected power measurements are provided. In one embodiment, a single antenna radar altimeter comprises: an antenna; a circulator coupled to the antenna; a transmitter coupled to the circulator; a receiver coupled to the circulator; wherein the circulator provides coupling of the transmitter and the receiver to the antenna while providing isolation between the transmitter and the receiver; a reflected power monitor positioned between the circulator and receiver; and a processor coupled to the reflected power monitor via a first analog-to-digital converter, the processor configured to compute and track reflected power measurement statistics from data generated by the reflected power monitor and provide a performance output indicating when one or more of the reflected power measurement statistics exceed a predetermined deviation threshold.
摘要翻译：提供了通过反射功率测量的雷达高度计天线性能监测的系统和方法。在一个实施例中，单个天线雷达高度计包括：天线; 耦合到天线的循环器; 耦合到循环器的发射器; 耦合到循环器的接收器; 其中所述环行器提供所述发射机和所述接收机到所述天线的耦合，同时提供所述发射机和所述接收机之间的隔离; 位于循环器和接收器之间的反射功率监视器; 以及经由第一模数转换器耦合到所述反射功率监视器的处理器，所述处理器被配置为根据由所述反射功率监视器产生的数据来计算和跟踪反射功率测量统计信息，并且提供指示何时一个或多个反射功率测量统计量超过预定的偏差阈值。

3. 发明授权

US08791856B2 Systems and methods for automatically determining a noise threshold 有权
标题翻译：自动确定噪声阈值的系统和方法
公开(公告)号：US08791856B2
公开(公告)日：2014-07-29
申请号：US13080833
申请日：2011-04-06
申请人： David C. Vacanti , Radde Majeed , Anthony H. Luk
发明人： David C. Vacanti , Radde Majeed , Anthony H. Luk
IPC分类号： G01S13/00
CPC分类号： G01S13/882 , G01S7/352 , G01S7/354 , G01S7/414 , G01S13/34 , G01S2007/356
摘要： Systems and methods for automatically determining a noise threshold are provided. In one implementation, a system comprises: an antenna configured to gather data about a surrounding environment; a processing unit configured to remove samples representing target data from the gathered data; to estimate the noise floor from the gathered data with the removed target data; and to determine a noise threshold from the estimated noise floor; and a memory device configured to store the estimated noise floor.
摘要翻译：提供了用于自动确定噪声阈值的系统和方法。在一个实现中，系统包括：被配置为收集关于周围环境的数据的天线; 处理单元，被配置为从所收集的数据中去除表示目标数据的样本; 用已删除的目标数据估计收集的数据中的噪声基数; 并从估计的本底噪声阈值确定; 以及被配置为存储所估计的噪声基底的存储器装置。

4. 发明申请

US20120256781A1 SYSTEMS AND METHODS FOR AUTOMATICALLY DETERMINING A NOISE THRESHOLD 有权
标题翻译：用于自动确定噪声阈值的系统和方法
公开(公告)号：US20120256781A1
公开(公告)日：2012-10-11
申请号：US13080833
申请日：2011-04-06
申请人： David C. Vacanti , Radde Majeed , Anthony H. Luk
发明人： David C. Vacanti , Radde Majeed , Anthony H. Luk
IPC分类号： G01S13/08 , G01S13/00
CPC分类号： G01S13/882 , G01S7/352 , G01S7/354 , G01S7/414 , G01S13/34 , G01S2007/356
摘要： Systems and methods for automatically determining a noise threshold are provided. In one implementation, a system comprises: an antenna configured to gather data about a surrounding environment; a processing unit configured to remove samples representing target data from the gathered data; to estimate the noise floor from the gathered data with the removed target data; and to determine a noise threshold from the estimated noise floor; and a memory device configured to store the estimated noise floor.
摘要翻译：提供了用于自动确定噪声阈值的系统和方法。在一个实现中，系统包括：被配置为收集关于周围环境的数据的天线; 处理单元，被配置为从所收集的数据中去除表示目标数据的样本; 用已删除的目标数据估计收集的数据中的噪声基数; 并从估计的本底噪声阈值确定; 以及被配置为存储所估计的噪声基底的存储器装置。

5. 发明授权

US09069070B2 Systems and methods for the selection of antennas in aircraft navigation systems 有权
标题翻译：飞机导航系统天线选择的系统和方法
公开(公告)号：US09069070B2
公开(公告)日：2015-06-30
申请号：US13486616
申请日：2012-06-01
申请人： John Savoy , Sidney Richard Strong , Alfonso Malaga , Anthony H. Luk
发明人： John Savoy , Sidney Richard Strong , Alfonso Malaga , Anthony H. Luk
IPC分类号： G01S19/47 , G01S3/72 , G01S19/25 , H01Q3/24 , H04B7/08 , H01Q1/28
CPC分类号： G01S19/25 , G01S3/72 , G01S19/15 , H01Q1/28 , H01Q3/24 , H04B7/0817 , H04B7/0834 , H04B7/088
摘要： Systems and methods for the selection of antennas in aircraft navigation systems are provided. In one embodiment, a navigation receiver system for an aircraft comprises: a first aircraft antenna that receives transmitter signals from fixed-location ground transmitters and a second aircraft antenna that receives transmitter signals from the fixed-location ground transmitters, wherein the first aircraft antenna has a first gain pattern that is different from a second gain pattern of the second aircraft antenna; a switch coupled to a first receiver and the first and second aircraft antenna; and a switch controller coupled to the switch. The switch controller operates the switch to electrically couple the first receiver to either the first or second aircraft antenna based on a determination of whether the first gain pattern or the second gain pattern provides higher gain in a direction of a first fixed-location ground transmitter of the fixed-location ground transmitters.
摘要翻译：提供了用于选择飞行器导航系统中的天线的系统和方法。在一个实施例中，用于飞行器的导航接收机系统包括：第一飞行器天线，其接收来自固定位置地面发射机的发射机信号;以及第二飞行器天线，其从所述固定位置地面发射机接收发射机信号，其中所述第一飞行器天线具有与第二飞行器天线的第二增益模式不同的第一增益模式; 耦合到第一接收器和第一和第二飞行器天线的开关; 以及耦合到开关的开关控制器。开关控制器操作开关，以基于第一增益模式或第二增益模式是否在第一固定位置地面发射机的方向上提供更高增益的确定来将第一接收器电气耦合到第一或第二飞行器天线固定位置地面发射机。

6. 发明授权

US08259002B2 Radar altimeter antenna performance monitoring via reflected power measurements 有权
标题翻译：雷达高度计天线性能监测通过反射功率测量
公开(公告)号：US08259002B2
公开(公告)日：2012-09-04
申请号：US12964957
申请日：2010-12-10
申请人： David C. Vacanti , Anthony H. Luk
发明人： David C. Vacanti , Anthony H. Luk
IPC分类号： G01S13/08
CPC分类号： G01S13/882 , G01S7/4008 , G01S2007/4039
摘要： Systems and methods for radar altimeter antenna performance monitoring via reflected power measurements are provided. In one embodiment, a single antenna radar altimeter comprises: an antenna; a circulator coupled to the antenna; a transmitter coupled to the circulator; a receiver coupled to the circulator; wherein the circulator provides coupling of the transmitter and the receiver to the antenna while providing isolation between the transmitter and the receiver; a reflected power monitor positioned between the circulator and receiver; and a processor coupled to the reflected power monitor via a first analog-to-digital converter, the processor configured to compute and track reflected power measurement statistics from data generated by the reflected power monitor and provide a performance output indicating when one or more of the reflected power measurement statistics exceed a predetermined deviation threshold.
摘要翻译：提供了通过反射功率测量的雷达高度计天线性能监测的系统和方法。在一个实施例中，单个天线雷达高度计包括：天线; 耦合到天线的循环器; 耦合到循环器的发射器; 耦合到循环器的接收器; 其中所述环行器提供所述发射机和所述接收机到所述天线的耦合，同时提供所述发射机和所述接收机之间的隔离; 位于循环器和接收器之间的反射功率监视器; 以及经由第一模数转换器耦合到所述反射功率监视器的处理器，所述处理器被配置为根据由所述反射功率监视器产生的数据来计算和跟踪反射功率测量统计，并且提供指示何时一个或多个反射功率测量统计量超过预定的偏差阈值。

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