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    • 3. 发明申请
    • SYSTEM AND METHOD FOR GENERATING A REFERENCE SIGNAL FOR PHASE CALIBRATION OF A SYSTEM
    • 用于生成用于系统的相位校准的参考信号的系统和方法
    • US20100259439A1
    • 2010-10-14
    • US12756311
    • 2010-04-08
    • Ruy Lopes BRANDAOPal MeiyappanRuy C. BrandaoJames Burton JonesMark VirtuePaul Ferguson
    • Ruy Lopes BRANDAOPal MeiyappanRuy C. BrandaoJames Burton JonesMark VirtuePaul Ferguson
    • G01S7/40
    • G01S3/023G01S13/9303
    • A two-element array antenna system includes a first antenna element and a second antenna element. The first and second antenna elements respectively include first and second frequency multipliers. A transmitting, receiving, and processing (TRP) system is coupled to the first and second antenna elements via, respectively, a single first transmission element and a single second transmission element. The TRP system is configured to transmit to the first antenna element a first input signal at a sub-multiple of a first frequency, receive from the first frequency multiplier a first calibration signal based on the first input signal, transmit to the second antenna element a second input signal at a sub-multiple of the first frequency, receive from the second frequency multiplier a second calibration signal based on the second input signal, and determine, based on the calibration signals, a relative phase difference between the first and second transmission elements.
    • 双元件阵列天线系统包括第一天线元件和第二天线元件。 第一和第二天线元件分别包括第一和第二频率乘法器。 发射,接收和处理(TRP)系统分别经由单个第一传输元件和单个第二传输元件耦合到第一和第二天线元件。 TRP系统被配置为以第一频率的子倍数向第一天线元件发送第一输入信号,从第一倍频器接收基于第一输入信号的第一校准信号,向第二天线元件a发送 第二输入信号以第一频率的子倍数从第二倍频器接收基于第二输入信号的第二校准信号,并且基于校准信号确定第一和第二传输元件之间的相对相位差 。
    • 4. 发明授权
    • System and method for generating a reference signal for phase calibration of a system
    • 用于产生用于系统的相位校准的参考信号的系统和方法
    • US08242951B2
    • 2012-08-14
    • US12756311
    • 2010-04-08
    • Ruy Lopes BrandaoPal MeiyappanRuy C. BrandaoJames Burton JonesMark VirtuePaul Ferguson
    • Ruy Lopes BrandaoPal MeiyappanRuy C. BrandaoJames Burton JonesMark VirtuePaul Ferguson
    • G01S13/93G01S7/40
    • G01S3/023G01S13/9303
    • A two-element array antenna system includes a first antenna element and a second antenna element. The first and second antenna elements respectively include first and second frequency multipliers. A transmitting, receiving, and processing (TRP) system is coupled to the first and second antenna elements via, respectively, a single first transmission element and a single second transmission element. The TRP system is configured to transmit to the first antenna element a first input signal at a sub-multiple of a first frequency, receive from the first frequency multiplier a first calibration signal based on the first input signal, transmit to the second antenna element a second input signal at a sub-multiple of the first frequency, receive from the second frequency multiplier a second calibration signal based on the second input signal, and determine, based on the calibration signals, a relative phase difference between the first and second transmission elements.
    • 双元件阵列天线系统包括第一天线元件和第二天线元件。 第一和第二天线元件分别包括第一和第二频率乘法器。 发射,接收和处理(TRP)系统分别经由单个第一传输元件和单个第二传输元件耦合到第一和第二天线元件。 TRP系统被配置为以第一频率的子倍数向第一天线元件发送第一输入信号,从第一倍频器接收基于第一输入信号的第一校准信号,向第二天线元件a发送 第二输入信号以第一频率的子倍数从第二倍频器接收基于第二输入信号的第二校准信号,并且基于校准信号确定第一和第二传输元件之间的相对相位差 。
    • 5. 发明申请
    • MULTICHANNEL, MULTIMODE, MULTIFUNCTION L-BAND RADIO TRANSCEIVER
    • 多通道,多模,多功能L波段无线收发器
    • US20130015998A1
    • 2013-01-17
    • US13180425
    • 2011-07-11
    • James B. JonesPal MeiyappanPaul FergusonMark VirtueThomas W. Hastings
    • James B. JonesPal MeiyappanPaul FergusonMark VirtueThomas W. Hastings
    • G01S13/93
    • H04B7/18506G01S13/9303H04B1/406
    • Systems and methods for providing an improved multiradio system. An exemplary system includes first and second antennas and a first receiver that receives a signal from the first antenna, filters the received signal based on bandwidths associated with a traffic collision-avoidance system (TCAS), a transponder, and a universal access transceiver (UAT). The system digitizes the filtered signal and digitally downconverts the digitized signal. A second receiver receives a signal from the second antenna, filters the signal received from the second antenna based on the TCAS, the transponder, the UAT, and distance-measuring equipment (DME), separates the filtered signal into a first signal having a bandwidth associated with the TCAS, the transponder, the UAT and the lower half of the DME RF band, and into a second signal having a bandwidth associated with the upper half of the DME RF band, digitizes the first and second signal, and digitally downconverts the digitized first and second signals.
    • 用于提供改进的多无线电系统的系统和方法。 示例性系统包括第一和第二天线以及从第一天线接收信号的第一接收机,基于与交通冲突避免系统(TCAS),应答器和通用接入收发器(UAT)相关联的带宽来对接收到的信号进行滤波 )。 系统对滤波后的信号进行数字化,并对数字信号进行数字下变频。 第二接收器接收来自第二天线的信号,基于TCAS,应答器,UAT和距离测量设备(DME)对从第二天线接收的信号进行滤波,将滤波后的信号分离成具有带宽的第一信号 与TCAS,应答器,UAT和DME RF频带的下半部分相关联,并且进入具有与DME RF频带的上半部分相关联的带宽的第二信号,数字化第一和第二信号,并且数字地下变频 数字化的第一和第二信号。
    • 6. 发明授权
    • Multichannel, multimode, multifunction L-band radio transceiver
    • 多通道,多模,多功能L波段无线电收发器
    • US08593330B2
    • 2013-11-26
    • US13180425
    • 2011-07-11
    • James B. JonesPal MeiyappanPaul FergusonMark VirtueThomas W. Hastings
    • James B. JonesPal MeiyappanPaul FergusonMark VirtueThomas W. Hastings
    • G01S13/74
    • H04B7/18506G01S13/9303H04B1/406
    • Systems and methods for providing an improved multiradio system. An exemplary system includes first and second antennas and a first receiver that receives a signal from the first antenna, filters the received signal based on bandwidths associated with a traffic collision-avoidance system (TCAS), a transponder, and a universal access transceiver (UAT). The system digitizes the filtered signal and digitally downconverts the digitized signal. A second receiver receives a signal from the second antenna, filters the signal received from the second antenna based on the TCAS, the transponder, the UAT, and distance-measuring equipment (DME), separates the filtered signal into a first signal having a bandwidth associated with the TCAS, the transponder, the UAT and the lower half of the DME RF band, and into a second signal having a bandwidth associated with the upper half of the DME RF band, digitizes the first and second signal, and digitally downconverts the digitized first and second signals.
    • 用于提供改进的多无线电系统的系统和方法。 示例性系统包括第一和第二天线以及从第一天线接收信号的第一接收机,基于与交通冲突避免系统(TCAS),应答器和通用接入收发器(UAT)相关联的带宽来对接收到的信号进行滤波 )。 系统对滤波后的信号进行数字化,并对数字信号进行数字下变频。 第二接收器接收来自第二天线的信号,基于TCAS,应答器,UAT和距离测量设备(DME)对从第二天线接收的信号进行滤波,将滤波后的信号分离成具有带宽的第一信号 与TCAS,应答器,UAT和DME RF频带的下半部分相关联,并且进入具有与DME RF频带的上半部分相关联的带宽的第二信号,数字化第一和第二信号,并且数字地下变频 数字化的第一和第二信号。